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zepelin [54]
2 years ago
15

Use the zero product property to find the solutions to the equation x2 + x - 30 = 12

Mathematics
1 answer:
ycow [4]2 years ago
4 0
Answer is x=-7 x=6 or choice A
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According to the Tristate Transportation Authority, making certain improvements to the main commuter rail line would increase ri
serious [3.7K]

Answer:

Options A and B are true

(A) Before the authority increases tolls on any of the area bridges, it is required by law to hold public hearings at which objections to the proposed increase can be raised.

B. (B) Whenever bridge tolls are increased, the authority must pay a private contractor to adjust the automated toll-collecting machines.

Step-by-step explanation:

A. In a developed society, it's imperative for the authority to hold public hearings with stake holders to air their views before the tolls are increased, this would enable the authority to carry out proper assessment to know both the positive and negative impact of increasing the toll.

B. Increasing the tolls implies that there must be adjustment in the automated tolling machines and this would incur cost on the authority, this contract would be executed by private contractors.

3 0
3 years ago
A sphere has a volume of 288 pi in^3. Find the surface area, Express your answer in pi.
Tpy6a [65]
Sphere Volume   = <span>  4/3 • <span>π <span>• r³
r^3 = sphere volume / (4/3 * PI)
r^3 = 288*PI / (4/3 * PI)
</span></span></span><span>r^3 = 288 / (4/3)
</span>r^3 = 216
r = 6 inches

Sphere Surface Area     =    <span> 4 • <span>π <span>• r²
</span></span></span>
Sphere Surface Area     =  4 * PI * 36

Sphere Surface Area     =  <span> <span> <span> 452.389 square inches

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3 years ago
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Need help urgently with this geometry question
soldi70 [24.7K]

Answer: x = 52

Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

Using the given formula :

I = P × R × T

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3 years ago
15.6 - 12.3 please help me my homework is due in 3 hours!!!???​
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Answer:

3.3

Step-by-step explanation:

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