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4 years ago

The table below shows the number of cupcakes,x, topped with the number...

Mathematics

2 answers:

Svetradugi [14.3K]4 years ago

7 0

The answer should be B 5

VikaD [51]4 years ago

3 0

The answer is B) 5.
20/4=5
40/8=5
60/12=5

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A sound wave has the from represented in the graph. Which of the following equations represent the graph? Select all that apply

Damm [24]

Answer:

A. f(x)=5cos(x+pi/4)

F. f(x)=5sin(x+3pi/4)

Step-by-step explanation:

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3 years ago

In math, how do you solve 2h<200?

Svetlanka [38]

Answer:

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Step-by-step explanation:

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3 years ago

The height of a radio tower is 650 feet, and the ground on one side of the tower slopes upward at an angle of 10°.

Leni [432]

Answer with Step-by-step explanation:

We are given that

Height of radio tower =650 ft

From figure

AB=650 ft

BC=180 ft

We have to find the AC.

Using cosine law:

$c=\sqrt{a^2+b^2-2ab cos\alpha}$

$AC=\sqrt{(650)^2+(180)^2-2\times 650\times 180\times cos 80^{\circ}}$

$c=643.64 ft$

Hence, a guy required 643.64 ft wire when it is to connect to the tower and be secured at a point on the sloped side 180 ft from the base of the tower.

b.In a right triangle ABC, AB= $\frac{650}{2}=325 ft$

Pythagorous theorem : $(Hypotensuse)^2=(perpendicular\;side)^2+(base)^2$

Substitute the values

$(AC)^2=(AB)^2+(BC)^2$

$(AC)=\sqrt{(325)^2+(180)^2}$

$AC=371.52 ft$

Hence, the length of wire should be 371.52 ft when a second guy connect the middle of the tower and be secured at a point 180 ft from the base on the flat side by wire.

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4 years ago

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3 years ago

Is a triangle with lengths of 8in, 10in, 5in a right traingle?

saul85 [17]

Pythagorean theorem! a^2 + b^2 = c^2
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3 years ago

Read 2 more answers