Can someone explain me this please :)

Can Someone Explain Me This Please :)

Answers

Answer 1

Answer:

39) a) [tex]2^{1}[/tex]= 2

     b) [tex]2^{3}[/tex]= 2×2×2=8

     c)[tex]2^{t}[/tex]

40) no

Step-by-step explanation:

40) both point A and B is below the point C. therefore it cannot pass through point c


Related Questions

Does #1 look right? Im struggling on this

Answers

Yes it looks great!

Answer:

Yup, good job!

Step-by-step explanation:

Please answer the question in the screenshot (#8) Thank you!

Answers

Answer:

282 hours

Jxbskdjjddjjejdjejjd :D

If x/y = 7/3 then find the value of
3x ^{2} + 2y^{2} \3x^{2} - 2y {}^{2}3x2+2y2\3x2−2y2

Answers

Answer:

this is the wrong question tipe perperly

Write the following expression as a simplified polynomial in standard form.
(x - 5)^2+3(x - 5) - 4

Answers

[tex]\\ \rm\longmapsto (x-5)^2+3(x-5)-4[/tex]

[tex]\\ \rm\longmapsto x^2-10x+5^2+3x-15-4[/tex]

[tex]\\ \rm\longmapsto x^2-7x+25-19[/tex]

[tex]\\ \rm\longmapsto x^2-7x+6[/tex]

What are the coordinates of the vertex of the function f(x)=x2+10x-3?
(-5, -28)
(-5, 28)
(5,-28)
(5, 28)

Answers

Answer:

(-5, -28)

Step-by-step explanation:

[tex]f(x) = {x}^{2} + 10x - 3[/tex]

[tex] = f(x) = {1x}^{2} + 10x - 3[/tex]

= a = 1, b = 10

[tex] = x = \frac{10}{2 \times 1} [/tex]

[tex] = x = - \frac{10}{2} [/tex]

= x = -5

[tex] = f(x) = {x}^{2} + 10x - 3..x = - 5[/tex]

[tex] = f( - 5) = - 28[/tex]

= (-5, -28)

Answer:

A) -5, -28 is correct!

Step-by-step explanation:

ramesh took a loan of rs 50000 from urmila at the rate of 10%p.a. if he paid half of the principal and all the interest at the end of 3 years in how many years should he pay the remaining amount with total interest of 20000 from the beginning?​

Answers

Ramesh took a loan of rs 50000 from Urmila at the rate of 10%p.a. if he paid half of the principal and all the interest at the end of 3 years

P= 80000

R = 10% '

1st-year amount = 88000

10% compounded annually

If you pay the loan of  55000 at the end of year 2, constant payment from year 1 After that, I paid 110% of the balance. C. I have always calculated in terms of the previous year's amounts

= \frac{55000}{110} \times 100 = 50000

So after the first year, a certain amount is paid, and the remaining amount is will be 50000.

So a certain amount to be paid in 1 year = 88000 -50000 = 38000

A loan is a type of debt owed by an individual or other legal entity. A lender (usually a corporation, financial institution, or government) makes an advance payment to a borrower. In return, the borrower agrees to certain terms, including financing costs, interest, repayment dates, and other terms.

A loan is an amount of money borrowed from a bank or other financial institution by one or more individuals or businesses to finance planned or unscheduled events. A borrower takes out a loan that must be repaid with interest within a certain period of time. May 6, 2022

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Find the area of 12.5 cm and 5 cm

Answers

Answer:

62.5

Step-by-step explanation:

l*w = a

12.5*5 = 62.5

the area of a rectangle is its width times its height

Help me please I need help with domain and range.

Answers

Answer:

[ -2, ∞ ), [ -1, ∞ )

Step-by-step explanation:

Domain: all x values

[ -2, ∞ )

Range: all y values

[ -1, ∞ )

If one side length of an equilateral triangle is (4mn^3 - 5)yds., what is the perimeter of the
triangle?

Answers

Answer:

[tex] 12m {n}^{3} - 15yds[/tex]

Step-by-step explanation:

Given,

One side of an equilateral triangle

[tex] = (4mn^3 - 5)yds[/tex]

Therefore,

Perimeter of the equilateral triangle

[tex] = 3 \times side[/tex]

[tex] = 3 \times (4mn^3 - 5)yds[/tex]

[tex] = 12m {n}^{3} - 15yds(ans)[/tex]

elena bikes 20 minutes each day for exercise write and equation to describe the relationship between her distance in miles d and her biking speed in miles per hour when she bikes at a constant speed of 15 miles per hour for the first 5 minutes then at 12 miles per hour for the last 15 minutes

Answers

Answer:
The equation to describe the relationship between Elena distance:
a) D = 4.34 miles, b) D = 4.25 miles and c) 12D = M + 3N miles.
Solution:
Given, Elena bikes 20 minutes each day for exercise.
We have to write an equation to describe the relationship between her distance in miles, D, and her biking speed, in miles per hour,
We know that, distance travelled = speed time
a. At a constant speed of 13 miles per hour for the entire 20 minutes
Her speed is 13 miles per hour.
Then, distance D miles = 13 miles per hour 20 minutes

b. At a constant speed of 15 minutes per hour for the first 5 minutes, then at 12 miles per hour for the last 15 minutes
Now, total distance travelled = distance travelled with 15 mph + distance travelled with 12 mph

c. At a constant speed of M miles per hour for the first 5 minutes, then at N miles per hour for the last 15 minutes
Now, total distance travelled = distance travelled with M mph + distance travelled with N mph



Hence, a) D = 4.34 miles, b) D = 4.25 miles and c) 12D = M + 3N miles.

what must be added to 2x^2 - 5x - 12 in order to get 7x^2 - x - 18

Answers

Answer:

5x^2 +4x -6

Step-by-step explanation:

that is the answer

yep

Answer:

5x² + 4x - 6

Step-by-step explanation:

Subtract 2x² - 5x - 12 from 7x² - x - 18 , that is the opposite operation, that is

7x² - x - 18 - (2x² - 5x - 12) ← distribute parenthesis by - 1

= 7x² - x - 18 - 2x² + 5x + 12 ← collect like terms

= 5x² + 4x - 6

The midpoint of the line segment with the coordinates (-2, -10) and (-3, 8) is _

Answers

Answer:

[tex](\frac{-5}{2} ,-1)[/tex]

Step-by-step explanation:

(-2 + -3)/2 , (-10+8)/2

-5/2,-1

the measure of an interior angel of a regular polygon is 150. find the number of sides in the polygon.

Answers

Answer:

The polygon has [tex]12[/tex] sides.

Step-by-step explanation:

Recall that the expression for finding the measure of one interior angle of a regular polygon is [tex]\frac{180(n-2)}{n}[/tex], where [tex]n[/tex] is the number of sides the polygon has (and [tex]n\neq 0[/tex]), which is what we want to find.

Because the measure of one interior angle of the given polygon is [tex]150\textdegree[/tex], we can write the following equation to solve for [tex]n[/tex]:

[tex]\frac{180(n-2)}{n}=150[/tex]

Solving for [tex]n[/tex], we get:

[tex]\frac{180(n-2)}{n}=150[/tex]

[tex]\frac{180n-360}{n}=150[/tex] (Distribute the [tex]180[/tex] in the numerator)

[tex]180n-360=150n[/tex] (Multiply both sides of the equation by [tex]n[/tex] to eliminate the denominator and simplify)

[tex]30n-360=0[/tex] (Subtract [tex]150n[/tex] from both sides of the equation and simplify)

[tex]30n=360[/tex] (Add [tex]360[/tex] to both sides of the equation to isolate [tex]n[/tex] and simplify)

[tex]\bf n=12[/tex] (Divide both sides of the equation by [tex]30[/tex] to get rid of [tex]n[/tex]'s coefficient and simplify)

Therefore, the polygon has [tex]\bf 12[/tex] sides. Hope this helps!

A manufacturer determines that the cost of making a computer component is $3.171717. Write the cost as a fraction and as a mixed number.

Answers

Answer:

Step-by-step explanation:

100y = 317.17171717171717 ....

     y  =   3.17171717171717 ....        subtract

99y = 314                        

The cost  = 314 / 99

Or

The cost = 3  17/99

What is the sum of mza+ m2b+ m2c?
Select the best answer from the choices provided.
A.245°
B.252°
C.360°
D.540°

Answers

A= 180-65 =115
B= 180-43=137
C=180-72=108
115+137+108 = 360
Or triangle supplementary angles
So the outer angle is 360

9. x is directly proportional to y. When x = 4, y = 9. Write an equation
for y in terms of x.

Answers

Answer:

y = 2.25x

Step-by-step explanation:

Given x is directly proportional to y then the equation relating them is

x = ky ← k is the constant of proportion

To find k use the condition when x = 4, y = 9 , then

4 = 9k ( divide both sides by 9 )

[tex]\frac{4}{9}[/tex] = k

x = [tex]\frac{4}{9}[/tex] y ← equation of proportion

Multiply both sides by [tex]\frac{9}{4}[/tex] to clear the fraction

[tex]\frac{9}{4}[/tex] x = y , then

y = [tex]\frac{9}{4}[/tex] x , or

y = 2.25x

-5x²-2x³-4x Write the polynomial in standard form. Then identify the polynomial by the number of terms.

Answers

-2x^3-5x^2-4x
Cubic Trinomial

Answer:

-2x³ - 5x² - 4x and cubic

Step-by-step explanation:

→ Rearrange the polynomial so the highest power is at the start

-2x³ - 5x² - 4x

→ Now look at the highest power and determine the type of polynomial

Cubic

On Monday it rained for 3 hours and 20 minutes. The total rainfall amount in that time was 4 inches. What was the average rate of rainfall per hour?

Answers

Answer:

[tex]1\frac{1}{5}[/tex]

~~~~~~~~~~~

4 ÷ 3[tex]\frac{1}{3}[/tex]

4 ÷ [tex]\frac{10}{3}[/tex]

4* [tex]\frac{3}{10}[/tex]

[tex]\frac{12}{10}[/tex]

[tex]1\frac{1}{5}[/tex]

Step-by-step explanation:

What is p of 11=8-6p-3

Answers

P=-1

11=8-6p-3

11-5-6p

write 12:57 a.m in 24 hour time

Answers

Answer:

Here is your answer . Hope this is helpful to you.

Helps please
What is the answer for all of them?

Answers

1.) Point B, Point C, Point D, Point E
2.) Line BC and line DE
3.) Plane S
4.) Plane T

A point is plotted on the number line at 225 . A second point is plotted at −434 .

What is the length of a line segment joining these points?

Enter your answer as a simplified mixed number in the box.

ANSWER:_____ units?

Answers

Answer:

659 units

Step-by-step explanation:

The length of the segment is the distance between the points.

The distance between two points on the number line is the absolute value of the difference between their coordinates. It does not matter in which order you subtract the numbers.

One point has coordinate 225.

Another point has coordinate -434.

Subtract one coordinate from the other and take the absolute value of the difference.

distance = |-434 - 225| = |-659| = 659

Answer: 659 units

Length of given line segment is 659 units

Step-by-step explanation:

Given:

First point plotted on number line = 225

Second point plotted on number line = - 434

Find:

Length of line segment

Computation:

Length of line segment = Distance between two point

(Distance between two point will be added as absolute value)

So,

Length of line segment = |-434| + |225|

Length of line segment = 434 + 225

Length of line segment =  659 units

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Ann went to the store after school 5 days this week. Each day, she bought a sandwich and a comic book. She spent a total $50 of at the store this week. She paid $2 for each sandwich. How much did she pay for each comic book? (Assume she paid the same for each comic book.)

Answers

In total 5 days, she has paid: 5 x $2 = $10 for the sandwiches

In total 5 days, she has paid: $50 - $10 = $40 for the comics

So, she paid: $40 / 5 = $8 for each comic

If helpful, brainliest please !

f(3) = 4x^2 – 4x
Find f(-7)

Answers

Answer:

224

Step-by-step explanation:

[tex]f( - 7) = 4( - 7) {}^{2} - 4( - 7) \\ = 196 + 28 \\ = 224[/tex]

Question 1
Re-write this list of numbers in ascending order:
0.9, 0.23, 0.89

Answers

0.23,0.89,0.9 is the answer
0.23,0.89,0.9 yes this is the answer

A rectangle has a perimeter of 6x^3+ 9x^2 - 10x + 5 and a length of x. Find the width of the rectangle when
the length is 21 inches.

Answers

Answer:

59330 feet

Step-by-step explanation:

If length is equal to 21 feet, then x=21

Width will be f(21)=6*(21)^3+9*(21)^2-210+5=59330 feet

The width of the rectangle with the given perimeter and length is 29,686 inches.

Given that, the perimeter of a rectangle = 6x³+ 9x² - 10x + 5 and length=x.

We need to find the width of the rectangle when the length is 21 inches.

What is the perimeter of a rectangle?

The perimeter of a rectangle is the total distance of its outer boundary. It is twice the sum of its length and width and it is calculated with the help of the formula: Perimeter = 2(length + width).

Let the width of the rectangle be y.

Now, length=x=21 inches.

Thus, 6x³+ 9x² - 10x + 5 = 2(x+y)

⇒6×21³+ 9×21² - 10(21)+ 5=2(21+y)

⇒55,566+3,969-210+5=42+2y

⇒59,372=2y

⇒y=29,686 inches

Therefore, the width of the rectangle with the given perimeter and length is 29,686 inches.

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Find the coordinates of the midpoint and the length of the line segment joining these pairs of points. a.(0,0)and(4,-4) b.(1,5)and(3,1) c.(-3,-3)and(0,0) d.(-1,3)and(5,1) e.(-1,6)and(2,-2) f.(-3,4)and(3,-1)​

Answers

The answer is (6,7). Hope that helps!! Great problem !!

Write an equation for the situation then solve for x.
35) A stray dog ate 21 of your muffins. That was 3/4 of all of them! With how many did you
start?

Answers

Answer:

28

.75 * x = 21

x = 21/.75

x=28

Step-by-step explanation:

Answer:

28 muffins

Step-by-step explanation:

Let x = the number of muffins

x*3/4 = 21

Multiply each side by 4/3

4/3 * 3/4x = 4/3 *21

x = 28

You started with 28 muffins

rationalize the following​

Answers

Step-by-step explanation:

[tex] \frac{1}{ \sqrt{2} + 1 } [/tex]

(On Rationalizing )

[tex] = \frac{1}{ \sqrt{2} + 1} \times \frac{ \sqrt{2} - 1}{ \sqrt{2} - 1 } [/tex]

[tex] = \frac{ \sqrt{2} - 1 }{( { \sqrt{2} )}^{2} - {(1)}^{2} } [/tex]

[tex] = \frac{ \sqrt{2} - 1}{2 - 1} [/tex]

[tex] = \frac{ \sqrt{2} - 1}{1} [/tex]

[tex] = \sqrt{2} - 1(ans)[/tex]

How many different paths are there from the point (0, 0, 0) in three dimensional space to the point (7, 3, 4) if you are only allowed to move in steps of one unit in either the positive x direction, the positive y direction, or the positive z direction. (That is no backtracking is allowed and you can only move in a single direction on a given step)

Answers

Using the fundamental counting principle, it is found that there are 84 different paths.

-----------------------------

Fundamental counting principle:

States that if there are p ways to do a thing, and q ways to do another thing, and these two things are independent, there are p*q ways to do both things.

-----------------------------

The movements are independent, which means that the fundamental counting principle is used.

There are:

7 - 0 = 7 ways to move in the x-direction.3 - 0 = 3 ways to move in the y-direction.4 - 0 = 4 ways to move in the z-direction.

Thus, the number of different paths is:

[tex]T = 7 \times 3 \times 4 = 84[/tex]

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