3 years ago

Please help me with this question!!

1 answer:

6 0

Y= 6
X= 12

This is a 30-60-90 triangle meaning that one side (hyp) is 2x. One side (shortest) is just x. The last side is xroot3

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Which statement about y = x2 + 7x - 30 is true?

Lady_Fox [76]

Answer:

D. The zeros are 3 and -10, because y = (x - 3)(x + 10).

Step-by-step explanation:

$y=x^2+7x-30$

$0=x^2+7x-30$

$0=(x+10)(x-3)$

Therefore, D is correct by the Zero Product Property

4 0

3 years ago

Which operation would help solve for w?

Vilka [71]

Answer:

B. Divide each side by 8

Step-by-step explanation:

Here is how:

8w ÷ 8 = 72 ÷ 8

w = 72 ÷ 8

w = 9

6 0

3 years ago

You don't have to answer number 15. but pls answer the rest!

RoseWind [281]

Answer:

Step-by-step explanation:

13. 2,300mg > 2g

14. 3kg = 3,000g

16. 4120mg = 4.12g

17. 75g < 800mg

3 0

3 years ago

Urgent help! 40 points!

AURORKA [14]

Short Answer: 150

Remark
You have to use two facts.
1. The central angle = 2 * the angle at B
2. The central angle = the arc angle.

Given
angle at B = 75 degrees.

Calculate the central angle
Central angle = 2 * angle at B
Central angle = 2 * 75
Central angle = 150

Conclusion
The arc angle = Central angle
The arc angle = 150 degrees.

4 0

3 years ago

Read 2 more answers

F(x)=8^x+7 what is f(3)

goldenfox [79]

Answer:

Step-by-step explanation:

f(3) = 8^3 + 7 = 512 + 7 = 519

4 0

3 years ago