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2 years ago

11

I will give extra points and be sure to explain please

1 answer:

salantis [7]2 years ago

6 0

Answer: 15

Step-by-step explanation: Label the tree with 4m for the height of the tree and the base of the triangle 15m for the shadow it cast. The angle is adjacent to 15m and opposite to 4m making the equation you use tanx=4/15 which when you solve becomes tan^-1(4/15) which gives you 15.

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Rachel earned 34$, 34 in 4 hours at her job today

forsale [732]

If you're asking how much she made per hour, it would be 8.5$

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3 years ago

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Find the product of 18 and 287.<br><br> 0 4,066<br><br> 2,583<br><br> 5,166<br><br> O 4,516

PtichkaEL [24]

Answer:

C. 5,166

Step-by-step explanation:

because of the word product, it means multiplication

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3 years ago

Andre earns $12 per hour tutoring students after school. If Andre tutored for 24 hours this month, how much money did he earn th

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Answer:

288

Step-by-step explanation:

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3 years ago

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X + 8 < 10<br><br> Please help

taurus [48]

In this question, you're solving the inequality by solving for x.

Solve for x:

x + 8 < 10

<em>subtract 8 from both sides</em>

x < 2

Answer:

x < 2

8 0

3 years ago

Two vertical posts stand side by side. One post is 8 feet tall and the other is 17 feet tall. If a 24 foot wire is stretched bet

lianna [129]

Answer:

The distance between the posts is $3\sqrt{55}$ feet.

Step-by-step explanation:

In the attached figure, let DB and AC be the posts and let AD be the wire attached to the top of the posts.

BC is the distance between the posts and we need to find BC.

Note that BC = DE

Also, EC = DB = 8m and AE = AC - EC = 17 - 8 = 9 m.

Now, in the right triangle ADE,

$AD^{2} =AE^{2} +DE^{2}$

$24^{2} =9^{2} +DE^{2}$

$DE^{2} =24^{2} -9^{2}$

= (24+9) (24-9)

= 33(15)

= (3 × 11) × (3 × 5)

$DE=3\sqrt{55}$

Since DE = BC,

$BC=3\sqrt{55}$

Hence, the distance between the posts is $3\sqrt{55}$ feet.

7 0

2 years ago