Easy math problems!!!!!!

Answer: 33

Step-by-step explanation:

(-3)+(6)^2

-3+36

33 (Answer)

The number 1.092 × 10¹ is 15.6 times larger than  7 × 10⁻¹ .

A number is said to be in standard form if it can be written in a decimal number between 1.0 and 10.0 multiplied with power of 10.

For Example: 1.8x10² is a standard form .

In the given question

1.092×10¹   and    7×10⁻¹

both the numbers are in a standard form

For comparison we need to convert them in decimal form

1.092 × 10¹ = 1.092 x 10 = 10.92

7 × 10⁻¹ = 7/10 = 0.7

So , According to the question

Let 10.92 be x times larger than 0.7

which means

(0.7)*x=10.92

x=10.92/0.7

x=15.6

Therefore , 1.092 × 10¹ is 15.6 times larger than  7 × 10⁻¹ .

The given question is incomplete , the complete question is

How many times larger is (1.092 × 10¹) than (7 × 10⁻¹)?

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i think its 8. is the x days and y money?

Answer:800

Step-by-step explanation:

2×2×2×10×10=800

Answer:

2^3*3^2=72

Step-by-step explanation:

The reciprocal of 150 will be 1/150.

We have a marine center has 150 parking spaces in front of its building.

We have to find the reciprocal of 150.

The reciprocal of a number is a number such that the product of both the numbers is equal to 1. Mathematically, if the original number is a, then its reciprocal will be 1/a , such that -

a x 1/a = 1

According to the question -

Let us assume that  A = 150

Now, from the definition of reciprocal, the reciprocal of A will be -

1/A. Therefore, the reciprocal of 150 will be = 1/150

Hence, the reciprocal of 150 will be 1/150.

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Answer:

[tex]\frac{211}{500}[/tex]

Step-by-step explanation:

[tex].4\bar{2}[/tex]  means the 2 repeats till infinity
[tex].4\bar{2}[/tex]  = .4222222222.....

To convert to fraction just take the first three decimal place digits 422 and divide by 1000 to convert to fraction

[tex].4\bar{2} = \frac{422}{1000}[/tex]

Dividing numerator and denominator of this fraction by 2 gives
[tex]\frac{422/2}{1000/2} =\frac{211}{500}[/tex]

This cannot be simplified further and therefore
[tex].4\bar{2} = \frac{211}{500}[/tex]

If we had chosen first 4 decimal digits then it would be[tex].4\bar{2} = \frac{4222}{10000} = \frac{2111}{5000}[/tex]
i.e. we divide by 10,000

use this formula and solve the question

AREA OF BASE = 1 by 2 ×base × Height

Step-by-step explanation:

using y=mx+c (equation of a line)

equation of one point form

y-y1=m(x-x1)

where y1=8,x1=6,m=1

y-8=1(x-6)

y-8=x-6

y=x-6+8

y=x+2

intercept form=2

or

y=mx+c where y=8,x=6,m=1

8=1(6)+c

8=6+c

8-6=c

2=c

or c=2

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By using the property of vertically opposite angles the value x= 4 and the angle z = 78°

Vertical opposite angles are angles made at the intersection of two lines, these are non adjacent angles that are opposite to each other.

Vertical opposite angles are equal to each other.

In the given figure (5x + 82)° and (11x + 58)° are vertically opposite angles.

(5x + 82)° = (11x + 58)°

5x + 82 = 11 x + 58

82- 58 = 11x - 5x

24 = 6x

x = 24 /6 = 4

Then (5x+82) = (5(4) +82)= 102

(5x + 82)° and z° both are angles on same line therefore their sum will be 180°

(5x+82) +z =180

102+z=180

z= 180-102 = 78

Therefore, the value x= 4 and the angle z = 78°.

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Answer:
14

Explanation:

14 - 10 = 4

the product is 4 and its a number thats subtracting 10

Required values:

The length of one side of the garage was originally 17.7 ft long

The length of one of the sides of the garage is now 21.7 ft long

The percentage increase in length is 22.5%.

Given parameters are;

The area of the square garage is 314 ft.²

The area of the new garage has 50% more space

Required;

Initial side length:

The initial side length, given to the nearest tenth, s, is the square root of the area, A, given as follows;

s = √(314 ft.²) ≈ 17.7 ft.

New Side length:

The side was increased by 50%, to give,

314 + 0.5×314 = 471

The new area of the garage = 471 ft.²

The side length of the new garage, s = √(471) ≈ 21.7 ft

The side of the garage now is 21.7 ft.

Percentage increase in length:

The percentage increase is given as follows;

% increase in length

= new side length - old side length / old side length * 100  

= 21.7 - 17.7 / 17.7 *100

= 22.5 %

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Answer:

5000 litres

Step-by-step explanation:

1 kilolitre is 1000 litres

Answer: The tank would hold 5000 Liters

Answer:

y = -4/3x + 2

Step-by-step explanation:

Point slope form is this:

y - y1 = m (x - x1)

Where m is the slope. y1 and x1 are where you put your coordinates.

so now we just plug it in.

y - (-2) = -4/3 (x - 3)

We should clean it up in order to make it look like this equation:  y = mx + b

y + 2 = -4/3x -4/3(-3)

y + 2 = -4/3x + 4

y = -4/3x + 2

If three lakes lost water during a drought, lake Jensen lost one-sixth of its water, lake Parlow lost 26% of its water, and lake Stockton lost thirty-three two-hundredths of its water, then the lake that lost the least amount of water is lake Stockton.

The lake that lost the least amount of water can be determined by converting the amounts lost by each of the lakes into percentage form.

As lake Jensen lost one-sixth of its water, it can be written in percentage form as,

Lake Jensen = 1/6 × 100 = 100/6 = 16.67 %

As given, Lake Parlow lost 26%

Lake Parlow = 26%

As Lake Stockton lost thirty-three two-hundredths, it can be written in percentage form as,

Lake Stockton = 33/200 × 100 = 0.165 ×  100 = 16.5 %

Thus, the least percentage of water lost is 16.5% by lake Stockton.

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[tex] \: \: \: \: \: \: \: \bf\implies \: x > \frac{7}{2} [/tex]

[tex] \tt \mapsto2x > 7 \\ \tt \mapsto 2x = 7 \\ \ \ \tt \mapsto x = \frac{7}{2} \\ \tt \mapsto x > \frac{7}{2} [/tex]

From the given statements, g(-13) = 20, that is option B, is true for g.

Here we are given that a function g has a domain of -20 ≤ x ≤ 5 and a range of -5 ≤ g(x) ≤ 45.

Further, g(0) = -2 and g(-9) = 6

Let us evaluate each option one by one-

A. g(7) = -1

As we can see x can take values only from -20 to 5. And 7 is greater than 5. This means that the function us not defined at g(7) and hence, option A is not the correct option.

B. g(-13) = 20

Here, x=-13 is in our domain and y = 20 also lies within our range. Hence, this is the correct option.

C. g(0) = 2

We are already given that g(0) = -2. y can take only one unique value for every value of x and hence, g(0) cannot be equal to 2.

D. g(-4) = -11

As we can see y can take values only from -5 to 45. And -11 is smaller than 5. This means that the function us not defined at g(-4) and hence, option D is not the correct option.

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Your question was incomplete. Check for the full content below-

Given that a function, g, has a domain of -20 ≤ x ≤ 5 and a range of -5 ≤ g(x) ≤ 45 and that g(0) = -2 and g(-9) = 6, select the statement that could be true for g.

g(0) = 2

g(7) = -1

g(-4) = -11

g(-13) = 20

Answer: x = 10

Step-by-step explanation:

3(10) = 30 +2 + 32

The two column proof is completed by the substitution property of equality, which gives;

WX = XZ

XY = XZ

The completed two column table is presented as follows;

Statement. Reasons

1. X is the midpoint of [tex] \overline{WY}[/tex]. 1. Given

2. WX = XY 2. Definition of midpoint

3. [tex] \overline{WX} \cong \overline{XZ}[/tex]. 3. Given

4. WX = XZ 4. Definition of midpoint

5. XY = XZ 5. Substitution property of equality

6. [tex] \overline{XY} \cong \overline{XZ}[/tex] 6. Definition of congruency

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Answer:

x=17 3y=13+10-3

x=17y=20

Step-by-step explanation:

answer to the questions

Answer:

x = 3 y = 46

Step-by-step explanation:

8x+13 = 9x+10

-8x          -8x

13 = x+10

-10     -10

3 = x

180-37 = 143

3y+5 = 143

-5          -5

3y = 138

/3      /3

y = 46

The value of the square root of 64 is -8

An integer is the number zero, a positive natural number or a negative integer with a minus sign. The negative numbers are the additive inverses of the corresponding positive numbers.

The square root of a number is the values that will can multiply twice to give the resulting value in the root.

Given the expression below:

- √64

Since the square root of 64 is 8, hence;

-√64 = -1 * √64

-√64 = -8

Hence the value of the square root of 64 is -8

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The given table of the values of f(x) is used to complete the table for the function [tex]y = f \left( \frac{1}{5} \cdot x \right) [/tex], to give;

The following values of x and y as follows;

x: -0.8, -0.2, 0, 0.6, 1.2

y: 7, -2, 3, -4, 5

Please also see the attached table

The question is with regards to scaling a graph horizontally.

Using the rule of scaling a graph, we have;

Given that a point on the graph of f(x) is (x, y), the corresponding point in the graph of f(C•x) is (C•x, y).

The given modification of the function is presented as follows;

[tex]y = f \left( \frac{1}{5} \cdot x \right) = f \left( 0.2 \cdot x \right)[/tex]

The points on the graph that completes the table are therefore;

The completed table is therefore;

x y

-0.8 7

-0.2. -2

0 3

0.6. -4

1.2. 5

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The length of the side of the frame will be 6.33  to the nearest inch.

All the sides of a square are congruent. Let a be the side length of the square. Then the area of the square is the square of the side length of the square.

Then the area of the square would be;

Area of the square = a² square units

We have been given that Rafael is constructing a square-shaped frame. And the frame has a 40 square inches surface area.

A = a²

40 = a²

a = √40

a = 6.33 inches

Hence, The length of the side of the frame to the nearest inches will be 6.33  to the nearest inch.

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There are 5 people in the family.

The ratio is defined as a relationship between two quantities, it is expressed as one divided by the other.

We have been given that each member of angela's family drank an 8-ounce mixture of coffee with milk.  

Let the number of people would be n.

And a represents the coffee, and  b represents the milk,

One-quarter of the milk and one-sixth of the coffee was consumed by Angela.

⇒ Angela drank b/4 of milk and a/6 of coffee.

Since everyone drank the same amount of coffee,

We have been to create an equation as

⇒ (a/6 + b/4)p = a + b

⇒ 2a(6 - n) = 3b(n - 4)

Given that both a and b are positive, we must fulfill the condition.

⇒(6 - n) > 0 and (n - 4) > 0

⇒ 6 > n and n > 4

So, the correct number of people = 5.

Hence, there are 5 people in the family.

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Answer:

7y2 + 8xy - 3

Step-by-step explanation:

7y2 + 6xy + 2xy -3  You distribute the - sign through the second binomial.  You are distributing or multiplying (-2xy -3) by -1  Combine like terms

7y2 + 8xy -3

Answer:

What is the difference of the two polynomials?

(7y2 + 6xy) – (–2xy + 3)

7y2 + 4xy – 3

7y2 + 8xy – 3 Correct

7y2 + 4xy + 3

7y2 + 8xy + 3

Step-by-step explanation:

The number of bacteria y in the culture after x hours will be y = 50(2)ˣ.

An exponential function faster and faster after every next value of the independent variable.

According to the given question the number of bacteria in a culture is increasing according to the law of exponential growth. after 3 hours, there are 400 bacteria, and after 6 hours, there are 3,200 bacteria.

We use the exponential growth equation y = arˣ where a is the initial value and r is common ratio and x represents time.

so 400=ar^3...(i)  and 3200= ar^6...(i)

Dividing equation (ii) by equation (i) and solve for r we get r³ so r =2

substitute r into first equation 400=a(2)³

8a = 400.

a = 50.

∴ The no. of bacteria at any given time x will be.        ( t is replaced by x)

y = 50(2)ˣ.

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Answer:

sure y not

Step-by-step explanation:

basta alam ko y not hindi

Answer: Unable to answer

Step-by-step explanation: If you do not show what the constant rate is, I am unable to solve it for you.

Answer:

6/19

Step-by-step explanation:

19 = total pens (blue pens + green pens + red pens)

6 = total number of blue pens

21. Area as sum = 12x + 60

Area as Product = 12(x + 5)

22. Area as sum = 5x + 20

Area as Product = 5(x + 4)

As a product, we can multiply the height and the base of the rectangle.

As a sum, we can find the area finding the sum of the areas of each pieces of the rectangle.

The missing pieces of that will fill into the circles is shown in the diagram attached below. Therefore, we would have the following:

21. Area as sum = 12x + 60

Area as Product = 12(x + 5)

22. Area as sum = 5x + 20

Area as Product = 5(x + 4)

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Answer:

-1 3/10 + (-3.8) = -5.1

Step-by-step explanation: