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Ostrovityanka [42]
3 years ago
14

A painter leans a 34-ft ladder against a building. The base of the ladder is 16 ft from the building. To the nearest foot, how h

igh on the building does the ladder reach?
A) 30 feet
B) 38 feet
C) 26 feet
D) 18 feet
Mathematics
2 answers:
Gnesinka [82]3 years ago
4 0

Answer:

The height reached by ladder on the building is 30 ft.

Step-by-step explanation:

Let x be the height reached by ladder on the building.

Since, the building must be perpendicular with respect to surface,

Thus,

(The length of the ladder)² = (The  base of the ladder from the building)² + ( The height reached by ladder on the building)²

Given,

The length of the ladder = 34 ft,

The  base of the ladder from the building = 16 ft.

So,

34^2 = 16^2 + x^2

1156 = 256 + x^2

1156 - 256 = x^2

900 = x^2

\implies x = 30

Hence, the height reached by ladder on the building is 30 ft.

dybincka [34]3 years ago
3 0
Answer = A). 34 squared minus 16 squared = 900. Square-root that to get 30.

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2/18 - 15/18

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Jim is selling hot dogs at a ball game. It cost Jim $250 to purchase everything to make the hot dogs. Jim sells hot dogs for $2.
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3 years ago
Help please can’t find this anywhere
givi [52]

9514 1404 393

Answer:

  x = 6

Step-by-step explanation:

You can actually work out the answer yourself.

The two angles shown have the total measure 168°, so the unmarked one is ...

  168° -100° = 68°

That is ∠WXZ, so we know ...

  68° = (5x +38)°

  30 = 5x . . . . . . . . . . divide by °, subtract 38

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5 0
3 years ago
Find the values of x and y.<br> X= __<br> Y= __
azamat

Answer:

x = 20

y = 100

Step-by-step explanation:

To figure out x do this.

3x + 2x = 7x - 40 (collect like terms)

5x = 7x -40 (subtract 7x on both sides)

-2x = -40 (divide by -2 on both sides)

x = 20

Plug in to get y

Since 7x - 40 and y are vertical they equal the same amount

7(20) - 40 = y (multiply 7 by 20)

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Hope this helps ya! Keep smiling!

6 0
3 years ago
What are the relative minimum and relative maximum values over the interval [−4,4] for the function shown in the graph?
kobusy [5.1K]

Answer:

Relative minimum :  -36

Relative maximum :  64

The rate of change is 336 greater

Step-by-step explanation:

Relative minimum are the minimum values  in the interval

Looking at the graph, we find the lowest point in the interval

Relative minimum : (-3, -36) and (3,-36)  y value -36

Looking at the graph, we find the highest point in the interval

Relative maximum : (0,64)  y value 64

Average rate of change = f(x2) - f(x1)

                                          ---------------

                                            x2 - x1

                                       

                                         f(7) - f(5)     1469 - 549      920

                                        ------------- = ---------------   = ------- = 460

                                             7-5               7-5                2

                                         f(4) - f(2)     287 - 39         248

                                        ------------- = ---------------   = ------- = 124

                                             4-2               4-2                2

We need to subtract

460-124

336

6 0
3 years ago
Read 2 more answers
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