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tester [92]
3 years ago
6

The diameter of a sphere is 42 centimeters. find the surface area to the nearest tenth

Mathematics
1 answer:
Mademuasel [1]3 years ago
8 0
A ~ 5541.77cm squared
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Jessica works between 12h and 18h per week at her part-time job. She earns $9.25 per hour. The function p(h) = 9.25h models the
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D. All real numbers between 111 and 166.5 inclusive.

3 0
4 years ago
if a tv has a diagonal measurement of 55 and a height of 30, what is the tvs width? round to the nearest whole number
Sati [7]

Answer:

  46

Step-by-step explanation:

The geometry can be modeled by a right triangle. The diagonal measure is the hypotenuse, and the height is one leg. The width is the other leg, and can be found using the Pythagorean theorem.

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<h3>Pythagorean theorem</h3>

The relation between the leg lengths (a, b) and the hypotenuse (c) is ...

  c² = a² +b²

Solving for b gives ...

  b = √(c² -a²)

<h3>application</h3>

In this problem, we have c=55 and a=30. Then the width of the TV is ...

  b = √(55² -30²) = √(3025 -900) = √2125

  b ≈ 46.098

The width of the TV is about 46.

7 0
2 years ago
The price of a television was reduced from $175 to $150. By what percentage was the price of the television reduced?
Aloiza [94]

Answer:

The answer would have to be 16.6666666666667.  This can be rounded up or keep the same.

5 0
3 years ago
Are the triangles similar? If so, write a similarity statement for the triangles and explain how you know the triangles are simi
andrew-mc [135]

right-handThe triangles are similar if, the ratios of their sides are equal

\frac{AE}{AC}=\frac{AW}{AL}

\frac{8+8}{6+6}=\frac{8}{6}

On the left-hand side

\frac{16}{12}=\frac{4}{3}

and in the right-hand side, we have

\frac{8}{6}=\frac{4}{3}

The left-hand side equals the right-hand side; therefore, the triangles are similar.

4 0
1 year ago
Find an equation for the line parallel to y = 3 x - 2 ​ y-intercept (0,5). Write the answer in​ slope-intercept form.
oksian1 [2.3K]
Y-5= 3(x-0)

Y-5= 3x
Y= 3x + 5


Hope this helps!
7 0
3 years ago
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