Is (2,1) a solution to this system of equations?
8x+7y=11
x+y=3

Answer:

2. f(t) = 25^(t+1)

Step-by-step explanation:

25 = 25^1

=> 25^(0+1)

15,625 = 25^3

=> 25^(2+1)

9,765,625 = 25^5

=> 25^(4+1)

So f(t) = 25^(t+1)

To compute the arithmetic mean of raw CPU time of the benchmark programs, we need to add the raw CPU time of the first 3 benchmark programs (P1 to P3) for each processor and divide the result by 3. Similarly, to compute the geometric mean of raw CPU time of the benchmark programs, we need to multiply the raw CPU time of the first 3 benchmark programs (P1 to P3) for each processor and take the cube root of the result. The same applies to the arithmetic mean and geometric mean of normalized CPU time of the benchmark programs. The total raw CPU time and total normalized CPU time are simply the sum of the raw CPU time and normalized CPU time of the first 3 benchmark programs (P1 to P3) for each processor, respectively.

Using a spreadsheet program, we can compute the following:

(i) Arithmetic mean of raw CPU time of the benchmark programs:
- Proc. A: (300 + 1200 + 600) / 3 = 700
- Proc. B: (600 + 300 + 1200) / 3 = 700
- Proc. C: (1200 + 600 + 300) / 3 = 700

(ii) Geometric mean of raw CPU time of the benchmark programs:
- Proc. A: (300 * 1200 * 600)^(1/3) = 600
- Proc. B: (600 * 300 * 1200)^(1/3) = 600
- Proc. C: (1200 * 600 * 300)^(1/3) = 600

(iii) Arithmetic mean of normalized CPU time of the benchmark programs:
- Proc. A: (1 + 1 + 1) / 3 = 1
- Proc. B: (2 + 0.25 + 2) / 3 = 1.4167
- Proc. C: (4 + 0.5 + 0.5) / 3 = 1.6667

(iv) Geometric mean of normalized CPU time of the benchmark programs:
- Proc. A: (1 * 1 * 1)^(1/3) = 1
- Proc. B: (2 * 0.25 * 2)^(1/3) = 1
- Proc. C: (4 * 0.5 * 0.5)^(1/3) = 1

(v) Total raw CPU time:
- Proc. A: 300 + 1200 + 600 = 2100
- Proc. B: 600 + 300 + 1200 = 2100
- Proc. C: 1200 + 600 + 300 = 2100

(vi) Total normalized CPU time:
- Proc. A: 1 + 1 + 1 = 3
- Proc. B: 2 + 0.25 + 2 = 4.25
- Proc. C: 4 + 0.5 + 0.5 = 5

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Using the area formula, it is obtained that Tanner has enough spray paint to cover the arrow with one can of spray paint.

What is area?

An object's area is how much space it takes up in two dimensions. It is the measurement of the quantity of unit squares that completely cover the surface of a closed figure.

To determine if Tanner has enough spray paint for his arrow, we need to find the total area of the arrow and compare it to the coverage of one can of spray paint.

The arrow consists of a rectangle and a triangle.

The rectangle has a length of 2 feet and a width of 5 1/3 feet, so its area is -

Area of rectangle = length × width

= 2 ft × 5 1/3 ft

= 10 2/3 sq. ft.

The triangle has a base of 3 feet and a height of the difference between the width of the rectangle (5 1/3 feet) and the width of the arrow (6 feet):

Height of triangle = 6 ft - 5 1/3 ft = 2/3 ft

Area of triangle = 1/2 x base x height = 1/2 x 3 ft x 2/3 ft = 1 sq. ft.

The total area of the arrow is the sum of the area of the rectangle and the area of the triangle -

Total area of arrow = Area of rectangle + Area of triangle

Total area of arrow = 10 2/3 sq. ft. + 1 sq. ft.

Total area of arrow = 32/3 sq. ft. + 1 sq. ft.

Total area of arrow = 11 2/3 sq. ft.

Therefore, since one can of spray paint covers up to 12 square feet, Tanner has enough spray paint to cover the arrow with one can of spray paint.

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Answer:

Scarlett paid $48.51

Step-by-step explanation:

The initial price of the shoes was $49. After using a 10% discount coupon, the price is reduced by $4.90 ($49 x 0.1). Therefore, the price after the discount is $44.10 ($49 - $4.90).

Then, a 10% processing fee is applied to this discounted price. This fee amounts to $4.41 ($44.10 x 0.1).

So the final amount Scarlett paid is the sum of the discounted price and the processing fee:

$44.10 + $4.41 = $48.51

Therefore, Scarlett paid $48.51 for the shoes in the end.

Answer:

He needs 256 teaspoons of sugar.

Step-by-step explanation:

This one is really simple!
96/3 = 32, meaning that we multiplied the recipe by 32.
This means that your teaspoons of sugar must also be multiplied by 32, which 8x32=256!

Answer:

277

Step-by-step explanation:

Just add lol

The total amount for an  of $5,000 over 5 years at an annual interest rate of 6% if the interest is compounded quarterly is $5386.42.

Interest is the amount a lender or financial institution receives for lending money. Interest can also refer to a shareholder's ownership interest in a company and is usually expressed as a percentage.

Interest rate indicates the cost of borrowing or the reward for saving. Therefore, if you are a borrower, interest rate is the amount charged to borrow money, expressed as a percentage of the total loan amount.  

Solution according to the information given in the question :

Given, Principal(P) = $5,000

           Compounding per year(n) = 4

          Time(in years)(T) = 5

          Interest rate = 6%

Amount = P× (1 + r/n)^t

             = 5000 × (1 + 6/4×100)⁵

            = 5000 × (1.015)⁵

            = 5000 ×1.07

            = $5286.42

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The Aerobics instructor teaches 7 classes each Saturday.

what is Algebraic expression?

An Algebraic expression is a combination of numbers, variables, and mathematical operations (such as addition, subtraction, multiplication, and division) that can be simplified and evaluated.

To find the number of classes the Aerobics instructor teaches on Saturdays, we need to divide the total hours she teaches by the length of each class:

Total hours taught = 5 1/4 hours

Length of each class = 3/4 hour

Number of classes = (Total hours taught) / (Length of each class)

Number of classes = (5 1/4) / (3/4)

We need to convert the mixed number to an improper fraction first:

5 1/4 = (4 x 5 + 1) / 4 = 21/4

Now we can substitute the values:

Number of classes = (21/4) / (3/4)

fractions mean multiplying the first fraction by the reciprocal of the second fraction:

Number of classes = (21/4) * (4/3)

The 4 in the numerator and denominator cancel out, leaving us with:

Number of classes = 21/3

Dividing 21 by 3, we get:

Number of classes = 7

Therefore, To find the number of classes the Aerobics instructor teaches on Saturdays, we need to divide the total hours she teaches by the length of each class:

Total hours taught = 5 1/4 hours

Length of each class = 3/4 hour

Number of classes = (Total hours taught) / (Length of each class)

Number of classes = (5 1/4) / (3/4)

We need to convert the mixed number to an improper fraction first:

5 1/4 = (4 x 5 + 1) / 4 = 21/4

Now we can substitute the values:

Number of classes = (21/4) / (3/4)

Dividing fractions means multiplying the first fraction by the reciprocal of the second fraction:

Number of classes = (21/4) * (4/3)

The 4 in the numerator and denominator cancel out, leaving us with:

Number of classes = 21/3

Dividing 21 by 3, we get:

Number of classes = 7

Therefore, the Aerobics instructor teaches 7 classes each Saturday.

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Answer:

40%

Step-by-step explanation:

percent = part/total × 100%

percent = 88/220 × 100%

percent = 40%

Answer:

40%

Step-by-step explanation:

Our total amount of shoes to sell is 220, right? So we have to find which percentage 88 is of 220! To do this, we use division!

Instead of how you might think to do it, 220/88, we have to do the opposite!
88/220 = 0.4

0.4 is 40% of 1. Therefore 88 is 40% of 220.

The required mean of the given frequency table is 6.

There are various mean types in mathematics, particularly in statistics.

Each mean helps to summarize a certain set of data, frequently to help determine the overall significance of a specific data set.

For instance, the mean for the collection of values 8, 9, 5, 6, and 7 is 7, since 8 + 9 + 5 + 6 + 7 = 35, and 35/5 = 7.

So, to find the mean:

First, arrange the terms in ascending order as follows:

1, 4, 8, 13

Now, add the middle two numbers and divide by 2 to get the mean:

= 4 + 8/2

= 12/2

= 6

Therefore, the required mean of the given frequency table is 6.

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Step-by-step explanation:

If triangle JKL is dilated by a scale factor of 2, this means that all sides of triangle JKL are multiplied by 2 to form triangle J'K'L'.

Therefore, if the measure of side LJ is x, then the measure of side LJ' is 2x. Similarly, if the measure of side LK is y, then the measure of side L'K' is 2y.

To find the measure of side L'J', we can use the fact that the sum of the measures of the angles in any triangle is always 180 degrees.

In triangle JKL, the sum of the measures of angles J, K, and L is 180 degrees. This means that angle JKL is:

angle JKL = 180 - angle J - angle K

Since triangle JKL is dilated by a scale factor of 2, the corresponding angles in triangle J'K'L' are congruent to the angles in triangle JKL. Therefore, angle J'K'L' is also:

angle J'K'L' = 180 - angle J - angle K

Since angle J'K'L' is a straight line (180 degrees), we can find angle J'L'K' by subtracting angles J'K'L' and J'KL':

angle J'L'K' = angle J'KL' - angle J'K'L' = angle JKL - angle J'K'L'

Using the fact that corresponding angles in similar triangles are congruent, we have:

angle J'KL' = angle JKL

angle L'K'J' = angle LKJ

Therefore, angle J'L'K' is:

angle J'L'K' = angle JKL - angle J'K'L' = angle JKL - angle LKJ

Since triangle JKL is a triangle, we know that angle JKL + angle LKJ + angle LJK = 180 degrees. Therefore, we can rewrite the equation for angle J'L'K' as:

angle J'L'K' = (angle JKL + angle LKJ + angle LJK) - 2(angle JKL + angle LKJ)

Simplifying this equation, we get:

angle J'L'K' = angle LJK - angle JKL

Using the fact that corresponding angles in similar triangles are congruent, we have:

angle L'J'K' = angle LJK

angle J'L'K' = angle JKL

Therefore, triangle J'L'K' is similar to triangle JKL, and we can write the ratio of corresponding side lengths as:

L'J' / LJ = K'L' / KL

Since triangle JKL is dilated by a scale factor of 2, we have:

K'L' = 2LK

L'J' / LJ = 2L'K' / LK

Substituting L'K' = 2LK, we get:

L'J' / LJ = 4

Therefore, the measure of side L'J' is four times the measure of side LJ. If the measure of side LJ is x, then the measure of side L'J' is 4x.

The measure of side L'J' in the dilated triangle J'K'L' can be found by multiplying the length of the corresponding side in the original triangle by the scale factor of 2.

In the field of Mathematics, specifically geometry, a dilation is a transformation that alters the size of a figure without changing its shape. If Triangle JKL is dilated by a scale factor of 2 to form Triangle J'K'L', every dimension of Triangle JKL is multiplied by this scale factor to get the corresponding dimension in Triangle J'K'L'.

Therefore, if you want to determine the measure of side L'J' in the new triangle, we need to know the length of the corresponding side in the original triangle (which is LJ). You would then multiply this length by the scale factor. The result would give you the length of side L'J'.

For example, if the length of side LJ in the original triangle is 4 units, the length of the corresponding side L'J' in the dilated triangle would be 4 * 2 = 8 units.

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Answer:

If 0.25 inch represents 1 foot, then 1 inch represents 4 feet (since 4 x 0.25 = 1).

Therefore, the height of the miniature dog in inches will be:

2.5 feet x 4 = 10 inches

So, the miniature version will be 10 inches tall.

Answer:

Her dog will be 5/8 of an inch tall. You would add 1/4 and 1/4 which equals 2/4. Then, you would split 1/4  = 1 in half so, 1/8 = 0.5

Add 1/8 to 2/4 to get 5/8

Step-by-step explanation:

The final polynomial after simplifying 3m^(7)-9m^(5)+2m^(7)-4m^(6)  is   5m⁷-9m⁵-4m⁶.

To simplify the given polynomial, we need to combine like terms. Like terms are terms that have the same variable and exponent.

The given polynomial is: 3m⁷-9m⁵+2m⁷-4m⁶

First, let's identify the like terms:
- 3m⁷ and 2m⁷ are like terms
- -9m⁵ and -4m⁶ are not like terms because they have different exponents

Next, let's combine the like terms:
- 3m⁷ + 2m⁷ = 5m⁷

So, the simplified polynomial is: 5m⁷-9m⁵-4m⁶

This polynomial cannot be further simplified, so it is none of the options listed (binomial, trinomial, or none of these).

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Therefore, Roberto needs 26 more inches of lumber. Answer: 26 inches.

an explanation of the relationship between the two phrases on either side of a sign. A single variable and an equal sign are typically present. It is equivalent to this 2. 2x - 4 Equals 2. The variable x is present in the earlier instance.

To solve this problem, we need to convert all the measurements to the same units. Let's convert 6 feet and 8 inches to inches:

6 feet = 6 x 12 inches = 72 inches

6 feet and 8 inches = 72 + 8 = 80 inches

So Roberto needs 80 inches of lumber to repair the deck.

He has 54 inches of lumber, so he needs:

80 - 54 = 26 inches

Therefore, Roberto needs 26 more inches of lumber. Answer: 26 inches.

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you assume the opposite of what you want to prove, and then show that this assumption leads to a contradiction or an absurdity. In this case, we want to prove that "if -3x + 4 < 7, then x > -1" indirectly.

Assume the opposite of what we want to prove, which is "if -3x + 4 < 7, then x ≤ -1".

Adding 3x to both sides of the inequality, we get:

4 < 3x + 7

Subtracting 7 from both sides, we get:

-3 < 3x

Dividing both sides by 3, we get:

-1 < x

This contradicts our assumption that x ≤ -1. Therefore, our assumption is false, and the original statement "if -3x + 4 < 7, then x > -1" is true. This completes the indirect proof.

Answer:1 and 2/3 lb per person

Step-by-step explanation:

5 pund divided by 3 ppl = 5/3

Answer:

30 Stamps

Step-by-step explanation:

Since 40% of Jon's collection has boat stamps, that means that 20% of his total collection would be 6 stamps (40%/2  and  12/2).

All that's left to do now is get that % to 100, and we can do this by multiplying that and the number of stamps by 5.  (20%*5=100,  6*5=30)

This means that Jon has a total of 30 stamps in his collection.

Another way you could do this is simply to multiply 12 by 40%, or 0.4.
This will also give you an answer of 30 stamps.

Answer:

The graph is a parabola that opens downward. Generally, a parabola has the following equation: y=ax2+bx+c If a is positive it opens upward

So, with one acute angle measuring 23.58 degrees and another acute Pythagorean theorem angle measuring 66.42 degrees, we may define this triangle as a right triangle.

The fundamental Euclidean geometry relationship between the three sides of a right triangle is the Pythagorean Theorem, sometimes referred to as the Pythagorean Theorem. This rule states that the areas of squares with the other two sides added together equal the area of the square with the hypotenuse side. According to the Pythagorean Theorem, the square that spans the hypotenuse (the side that is opposite the right angle) of a right triangle equals the sum of the squares that span its sides. It may also be expressed using the standard algebraic notation, a2 + b2 = c2.  

A triangle with the vertices A, B, and C with sides measuring 5, 12, and 13 units is seen in the illustration.

Let's use our triangle to illustrate this theorem:

[tex]a = 5, b = 12, c = 13\\a^2 + b^2 = 25 + 144 = 169\sc \\a^2 = 13^2 = 169\\[/tex]

Our triangle complies with the Pythagorean theorem because a2 + b2 = c2. Triangle ABC is a right triangle as a result, and the side with the length 13 is opposite the right angle.

[tex]A = arcsin(5/13)[/tex] = 23.58 degrees when sin(A)

= opposite/hypotenuse

= 5/13 A.

[tex]arccos(12/13) = 66.42 degrees B = cos(A) = adjacent/hypotenuse = 12/13[/tex]

A, B, and C are all at 90 degrees.

So, with one acute angle measuring 23.58 degrees and another acute angle measuring 66.42 degrees, we may define this triangle as a right triangle.

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Jack is 13 years old now.

To solve this problem, we can use algebra to set up an equation and solve for Jack's age. Let's let J represent Jack's age now, and A represent Anna's age now.

According to the problem, Jack is ten years older than Anna, so we can write:
J = A + 10

Seven years from now, Jack will be twice as old as Anna, so we can write:
J + 7 = 2(A + 7)

Now we can substitute the first equation into the second equation to solve for A:
A + 10 + 7 = 2(A + 7)
A + 17 = 2A + 14
A = 3

Now that we know Anna's age, we can plug it back into the first equation to find Jack's age:
J = 3 + 10
J = 13

So Jack is 13 years old now.

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The value of a₄ is,

⇒ a₄ = 108

To multiply means to add a number to itself a particular number of times. Multiplication can be viewed as a process of repeated addition.

Given that;

The value is,

⇒ a₁ = - 4

And, [tex]a_{n} = - 3a_{n - 1}[/tex]

Now, We can put n = 2;

⇒ a₂ = - 3 a₁

⇒ a₂ = - 3 x - 4

⇒ a₂ = 12

Put n = 3;

⇒ a₃ = - 3 a₂

⇒ a₃ = - 3 x 12

⇒ a₃ = - 36

Put n = 4;

⇒ a₄ = - 3 a₃

⇒ a₄ = - 3 x - 36

⇒ a₄ = 108

Thus, The value of a₄ is,

⇒ a₄ = 108

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Value of a₄ in sequence is -108.

In mathematics, geometric sequence, also known as a a geometric progression, is a sequence of non-zero numbers where each term after the first is found by multiplying the previous one by a fixed, non-zero number called the common ratio.

Given,

a₁ = 4 and aₙ = -3aₙ₋₁

a₂ = -3a₂₋₁

a₂ = -3a₁

a₂ = -3(4)

a₂ = -12

a₃ =  -3(-12)

a₃ = 36

a₄ = -3a₄₋₁

a₄ = -3a₃

a₄ = -3(36)

a₄ = -108

Hence, -108 is value of a₄ of the sequence.

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1 & -3 & 2
2 & 0 & -1

The cross product of two vectors can be calculated using the formula:
\[ \vec{u} \times \vec{v} = \left[ \begin{array}{ccc}
\vec{i} & \vec{j} & \vec{k}\\
u_{1} & u_{2} & u_{3} \\
v_{1} & v_{2} & v_{3}
\end{array} \right] \]

For your given vectors, we can calculate the cross product as follows:
\[ \vec{u} \times \vec{v} = \left[ \begin{array}{ccc}
\vec{i} & \vec{j} & \vec{k}\\
1 & -3 & 2 \\
2 & 0 & -1
\end{array} \right] \]

Which simplifies to:
\[ \vec{u} \times \vec{v} = \left[ \begin{array}{c} 6 \\ 2 \\ -1 \end{array} \right] \]

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The value of x for the given equation is 16.

To find the value of x in the equation x + 10 = 26, we need to isolate x on one side of the equation by performing the same operation to both sides of the equation.

We can start by subtracting 10 from both sides of the equation:

x + 10 - 10 = 26 - 10

Simplifying the left-hand side gives:

x = 16

Therefore, the value of x is 16, as this is the solution that satisfies the equation x + 10 = 26.

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The complete question is below:

Find the value of x: for x +10 = 26

675 cases divided by 135 cases per order equals five orders each year

a) If you order one case at a time, your yearly inventory cost is $6,750. This means that if you order one case of beans each year, it will cost you a total of $6,750.

b) To minimize your annual inventory cost, you should order 135 cases at a time. This is the number of cases that produces the minimum value for the cost equation, C = 200Q + 5,750.

c) By ordering 135 cases at a time instead of one, you will save $3,750 each year in inventory costs.

d) When you are minimizing your annual inventory cost, you should place your orders every five years. This is because 675 cases divided by 135 cases per order equals five orders each year.

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Answer: Last one

Step-by-step explanation:

The value of the missing sides using Pythagorean theorem are;

1.  15. 81m

2. 24. 08cm

3. 12. 85 ft

4. 4. 58 in

5. 27. 02 yd

6.  18. 14 mm

7. 16. 58 km

8. 6. 24m

9. 9. 85 miles

10. 14.14 feet

11. 14.14 feet

12. 13. 78  feet

Using the Pythagorean theorem, which states that the square of the longest side of a triangle which is the hypotenuse leg is the sum of the squares of the other two sides of the triangle, that is, the opposite and adjacent.

Then, we have;

x² = y² + z²

Where the parameters are;

From the figures shown, we have that;

1. Adjacent side = 8m

Opposite side = 9m

Using the Pythagorean theorem, we have;

x² = 13² + 9²

Find the squares and substitute

x² = 169 + 81

x² = 250

find the square root

x =√250 = 15. 81m

2. For the triangle, we have;

x² = 16² + 18²

x² = 256 + 324

x = √580 = 24. 08cm

3. For the third triangle:

y² = 19² - 14²

y² = 361 -196

y = √165 = 12. 85 ft

4. For the fourth triangle

z² = 11² - 10²

z² = 121 - 100

z = √21 = 4. 58 in

5. x² = 21² + 17²

x² = 441 + 289

x = 27. 02 yd

6. z² = 27² - 20²

z² = 729 - 400

z = √329 = 18. 14 mm

7. z² = 30² - 25²

Find the squares

z² = 900 - 625

z² = 275

z = √275 = 16. 58 km

8. y² = 8² - 5²

find the squares

y² = 64 - 25

y = √39 = 6. 24m

9. x² = 9² + 4²

Find the squares

x² = 81 + 16

x = √97 = 9. 85 miles

10. Length of the diagonal is the hypotenuse side

x² = 10² + 10²

x² = 100 + 100

x = √200 = 14.14 feet

11. The height of the pole is the opposite side

y² = 15² - 5²

y² = 225 -25

y = √200 = 14. 14 feet

12. the height of the pole is the opposite side

y² = 14² - 4²

y² = 196 - 16

y = √190 = 13. 78  feet

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9 can be expressed as 3² where value larger than the base.

Exponents and powers are ways used to represent very large numbers or very small numbers in a simplified manner.

Given:

A power with a positive base and a positive integer exponent will always have a value larger than the base.

We can take example as

5³ = 125

Here the base is 5 and value is 125 which is larger than base.

So, to express 9 as such form is

3² = 9

Here Base (3) < Value (9)

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