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Lunna [17]
3 years ago
10

Please help (10POINTS)

Mathematics
1 answer:
kobusy [5.1K]3 years ago
6 0

Answer: it’s d

Step-by-step explanation: i did that

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To find the height of a pole, a surveyor moves 160 feet away from the base of the pole and then, with a transit 6 feet tall, mea
Artyom0805 [142]

Answer:

306.8 feet

Step-by-step explanation:

Refer the attached figure .

A surveyor moves 160 feet away from the base of the pole i.e. ED = 160 m

Referring the image .

AC=ED=160 m

A transit i.e. AE is 6 feet tall.

AE = CD=6 feet

With a transmit the angle of elevation to the top of the pole to be 62° i.e. ∠BAC = 62°

To Find BC , use tigonometric ratio.

Tan\theta = \frac{Perpendicular}{Base}

Tan 62^{\circ}=\frac{BC}{AC}

Tan 62^{\circ}=\frac{BC}{160}

1.88*160=BC

300.8=BC

Now, the height of the pole = BC+CD =300.8+6=306.8 feet

Hence the height of the pole is 306.8 feet

7 0
3 years ago
John is joining a gym. There is a membership fee of $25 per month and a fee of $2 per workout class he attends. Given this infor
skad [1K]

Answer:

Input variable x: Number of classes he attends.

Output variable y: Monthly cost

Slope: Cost per class, of $2

y-intercept: Membership fee, of $25.

Function: y = 2x + 25

Step-by-step explanation:

This situation can be represented by a function is the following format:

y = mx + b

In which y is the monthly cost(output), m is the cost per class(slope), x is the number of classes he attends(input) and b is the membership fee(y-intercept).

We have that:

There is a membership fee of $25 per month and a fee of $2 per workout class he attends.

This means that b = 25, m = 2. So

y = 2x + 25

6 0
2 years ago
A population of flies, P, over a given amount of time, x, is modeled by the expression
ra1l [238]
Do you know what you are suppose to do first

7 0
3 years ago
Perform the computation and write the result in scientific notation:
gtnhenbr [62]

Answer:

6.06 x 10^{9}

Step-by-step explanation:

(5.25 x 10^{5} ) / (8.7 x 10^{-5} )

= (5.25 x 10^{5} ) x( 10^{5} )/ (8.7 )

= (5.25 x 10^{5 + 5} )/ (8.7 )

= 0.606 x 10^{10}

= 6.06 x 10^{9}

6 0
3 years ago
Please I need help with this question: 2 + 2d > 6
Aleonysh [2.5K]

d > 2

Step-by-step explanation:

1) Subtract 2 from both sides.

2d > 6 - 2

2) Simplify 6 - 2 to 4.

2d > 4

3) Divide both sides by 2.

d >  \frac{4}{2}

4) Simplify 4/2 to 2.

d  > 2

Therefor, the answer is, d >2.

3 0
3 years ago
Read 2 more answers
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