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soldier1979 [14.2K]
3 years ago
9

A person who is 6ft tall walks away from a streetlight. When the person is 15 feet away from the light, the tip of his shadow is

5 feet in front of him. Find the height of the streetlight
Mathematics
1 answer:
Citrus2011 [14]3 years ago
5 0
We essentially have a ratio here:
\frac{shadow}{actual}

Since we know the ratio is going to stay constant at \frac{5}{6}, we can use this to find the height of the lamp along with the information that the total distance from the lamp to the tip of his shadow is 20:
\frac{5}{6}=\frac{20}{h}
5h=120
h=24
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hichkok12 [17]
The answer would be -3. if x is -3, then in the equation x2 - x, we would replace both x with -3. So then it would be -3 times 2 minus -3 And if we multiply -3 times 2 we get -6 and -6 minus -3 is -3. I hope this helped you, sweetheart.
4 0
3 years ago
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Simplify;<br> 26 ⋅ 26^8<br><br> Please also explain how you got the answer.
antoniya [11.8K]

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Multiply by adding the exponents:

Raise 26 to the power of 1 to get:

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Now when you multiply the same number raised to different powers, you add the powers together:

26^1 * 26^8 = 26^(8+1) = 26^9

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6 0
3 years ago
A caterer charger $120 to carter a party for 15 people and $200 for 25 people
Luba_88 [7]

Answer:

y = 8x

Step-by-step explanation:

When the number of people increased by 10, the caterer charged an additional $80. Therefore, we estimate that the cost per person is $8. In order to verify:

$8/person * 15 people = $120. True. $8/person * 25 people = $200. True.

Therefore, if we let x represent the number of people being cater for and y represent the cost, the equation to model the situation is simply y = 8x.

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5 0
2 years ago
This is number nine if you wanted to help please
andrew-mc [135]

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5 0
3 years ago
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poizon [28]

Answer:

169

Step-by-step explanation:

Given data

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5x^2+7x=6​

rearrange

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=49+120

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Hence the answer is 169

8 0
3 years ago
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