3 years ago

I need help on these two geometry questions...

Mathematics

1 answer:

Zielflug [23.3K]3 years ago

4 0

Go on... :) You can post hem both as a question as a future reference

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It took 5.5 hours to drive 154 miles. What was the average rate of speed?

Leya [2.2K]

28 miles per hour is your answer 154 divided by 5.5, simple math hon :) good luck.

4 0

3 years ago

Solve each equation by completing the square <br> 6) m² + 16m – 8 = 0

Natali5045456 [20]

Answer:

m = - 8 ± 6 $\sqrt{2}$

Step-by-step explanation:

Given

m² + 16m - 8 = 0 ( add 8 to both sides )

m² + 16m = 8

To complete the square

add ( half the coefficient of the m- term )² to both sides

m² + 2(8)m + 64 = 8 + 64

(m + 8)² = 72 ( take the square root of both sides )

m + 8 = ± $\sqrt{72}$ = ± $\sqrt{36(2)}$ = ± 6 $\sqrt{2}$

Subtract 8 from both sides

m = - 8 ± 6 $\sqrt{2}$

3 0

3 years ago

The vertex form of the function <br> y=x^2+8x+29

stira [4]

Answer:

y = (x+4)^2 +13

Step-by-step explanation:

y=x^2+8x+29

To complete the square take the coefficient of the x term

Divide by 2

8/2 =4

Then square it

4^2 =16

y=x^2+8x+16+13

= (x^2+8x+16) +13

= (x+4)^2 +13

5 0

3 years ago

Can <br> a. True <br> b. False results be in a probability distribution

Alexxandr [17]

I think the answers True hope this helps

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3 years ago

Find the area of the shape. Either enter an exact answer in terms of π or use 3.14, point, for π and enter your answer as a deci

vredina [299]

Answer:

25π

Step-by-step explanation:

1) for whole circuit: A=π*r², where r - radius of the given circle;

2) for a quater of the circuit: A=πr²/4;

3) finally, A=π*100/4=25π.

7 0

2 years ago