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poizon [28]
2 years ago
8

Find the midpoint of a line segment with endpoints at (-5,7) and (13, 13).

Mathematics
1 answer:
SIZIF [17.4K]2 years ago
4 0

Answer:

About 7

Step-by-step explanation:

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What is the value of the fourth term in a geometric sequence for which a1= 30 and are= 1/2?
serious [3.7K]

Answer:

15/4.

Step-by-step explanation:

4th term = a1 r^3

= 30(1/2)^3

= 30/8

= 15/4.

3 0
3 years ago
18% of what number is 43?
PIT_PIT [208]
18% of 238.8889 is 43.

Convert the percentage (18) to a decimal by dividing it over 100:
\frac{18}{100} = 0.18

Divide 43 over 0.18:
<span>\frac{43}{0.18} = 238.8889</span>
7 0
3 years ago
Read 2 more answers
5 * 3/5 i need help please
kompoz [17]

Answer:

3

Step-by-step explanation:

Order of operations.

5*3/5 is basically the same as 5 times 3 divided by 5. If you are multiplying 5 by 3, and then dividing that same number from the answer, which is 5, then you will get the same number you multiplied by, or 3.

6 0
3 years ago
The base of a rectangular prism has an area of 13 2/3, and the height of the prism is 8 5/6. What is the volume of the prism? Be
Fed [463]

Answer:

120 \frac{13}{18}

Step-by-step explanation:

<em><u>The formula for finding the volume of a prism is:</u></em>

V = Bh

<em><u>You have to convert 13 </u></em>\frac{2}{3}<em><u> into an improper fraction, like so:</u></em>

\frac{41}{3}

<em><u>Convert the other:</u></em>

<em><u /></em>\frac{53}{6}

<em><u>Multiply:</u></em>

<em><u /></em>\frac{41}{3} · \frac{53}{6} = \frac{2173}{18}

<em><u>Convert to mixed fraction:</u></em>

120 \frac{13}{18}

6 0
3 years ago
Write f(x)=8x^2-4x+11 in vertex form
Vlad [161]

Answer:

f(x)=8(x-\frac{1}{4})^{2}+\frac{21}{2}

or

f(x)=8(x-0.25)^{2}+10.5

Step-by-step explanation:

we have

f(x)=8x^{2}-4x+11

This is a vertical parabola open upward (because the leading coefficient is positive)

The vertex is a minimum

Convert to vertex form

Factor the leading coefficient

f(x)=8(x^{2}-\frac{1}{2}x)+11

Complete the square. Remember to balance the equation by adding the same constants to each side.

f(x)=8(x^{2}-\frac{1}{2}x+\frac{1}{16})+11-\frac{1}{2}

f(x)=8(x^{2}-\frac{1}{2}x+\frac{1}{16})+\frac{21}{2}

Rewrite as perfect squares

f(x)=8(x-\frac{1}{4})^{2}+\frac{21}{2} ----> equation in vertex form

or

f(x)=8(x-0.25)^{2}+10.5

The vertex is the point  (0.25,10.5)

3 0
3 years ago
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