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ivanzaharov [21]

3 years ago

15

WILL GIVE BRAINLIEST!!! Which expression is equivalent to one over four n − 16? (5 points) one over four (n − 4) one over four (

n − 64) 4(n − 4) 4(n − 64)

1 answer:

bagirrra123 [75]3 years ago

7 0

Answer:

The correct answer is 1/4(n - 64).

Step-by-step explanation:

1/4n - 16 Write Original expression

0.25n -16 Simplify the fraction

0.25(n - 64) Distribute(take out) 0.25 from n-16

1/4(n - 64)

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What is the vertex form of this and how do you graph this

luda_lava [24]

set it up like a y= equation.

which would be y=-x^2+7

to find the vertex, you substitute the 0s.

so 0=-(0)^2+7

-0^2=0

0+7=7

0=7

(0,7)

6 0

4 years ago

Solve: 2.5k+47.4=81.9

belka [17]

Answer:

k=13.8

Step-by-step explanation:

Given function:

2.5k+47.4=81.9
to find k..

<u><em>Subtract final and middle value:</em></u>

$81.9-47.4= 34.5$

<em><u>Divide by 2.5:</u></em>

$34.5*2.5=13.8$

Therefore, k=13.8..

8 0

3 years ago

Find the constants a and b such that the function is continuous on the entire real line

Nezavi [6.7K]

Answer:

a=-2, b=1.

Step-by-step explanation:

1) according to the condition it is required to find the equation of line, which passes through points A(-3;7) and B(4;-7);

2) the equation of this line can be made up using the formula:

$\frac{x-X_A}{X_B-X_A} =\frac{y-Y_A}{Y_B-Y_A};$

$\frac{x+3}{4+3} =\frac{y-7}{-7-7} ; \ < = > \ x+3=\frac{y-7}{-2}.$

3) if to re-write the last equation, then

y=-2x+1;

4) finally, a= -2; b=1.

4 0

2 years ago

You use the compass to draw a circle. What will be the area of the circle?

Greeley [361]

Answer:

are there any answer choices

Step-by-step explanation:

i believe its 18

sry if im wrong

8 0

3 years ago

How do you do this question?

lidiya [134]

<h3>Answer: Diverges</h3>

This series diverges by the limit test (some books may call it the nth term test).

Recall the limit test is the idea if the sequence doesn't converge to 0, then the series diverges.

In this case, the sequence converges to n/(7n) = 1/7 since all we are about are the leading terms when n gets very large.

After some very large n value, we're effectively adding on 1/7 or very close to it, each time. The infinite sum does not approach a fixed value. It keeps growing forever.

5 0

3 years ago