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almond37 [142]
3 years ago
8

Can someone help please

Mathematics
1 answer:
Artyom0805 [142]3 years ago
6 0

Answer:

  62 newspapers

Step-by-step explanation:

Let s represent the number of Sunday papers sold. Then s/2 is the number of Friday papers sold. The total revenue is ...

  1.50s + 0.75(s/2) = 116.25

  1.875s = 116.25 . . . . simplify

  s = 116.25/1.875 = 62 . . . . . divide by the coefficient of s

62 Sunday papers were sold.

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Find the length of the highlighted arc. Round your answer to the nearest tenth. *
Firlakuza [10]

Answer:

Approximately 23.6

Step-by-step explanation:

So first find the fraction of the whole circumference the arc is.

270 ÷ 360 = 0.75

The circumference is 10π

0.75 * 10π = 7.5π

7.5π = 23.5619449019 ≈ 23.6

6 0
3 years ago
A square pyramid. The square base has side lengths of 6 inches. The 4 triangular sides have a base of 6 inches and height of 9 i
Marrrta [24]

Answer:

The area of the pyramid’s base is 36 in².

The pyramid has 4 lateral faces.  

The surface area of each lateral face is 27 in².

Step-by-step explanation:

"<u>Lateral</u>" means side, so the lateral faces are <u>triangles</u>.

The <u>base</u> is the bottom, which is a <u>square</u>.

To calculate the <u>area of the base</u>, use the formula for area of a square.

A_{base} = s^{2}

A_{base} = (6 in)^{2}

A_{base} = 36 in^{2}

To calculate the <u>area of a lateral face</u>, find the area of a triangle.

A_{lateral} = \frac{bh}{2}

A_{lateral} = \frac{(6 in)(9 in)}{2}

A_{lateral} = \frac{54 in^{2}}{2}

A_{lateral} = 27 in^{2}

In a pyramid, the number of lateral faces is the same as the number of sides in the base. <u>The square base as 4 sides, so there are 4 lateral faces</u>.

3 0
3 years ago
What is the area of this triangle?
fredd [130]

Answer:

i think it's 16

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Rule: start at 17.3 add 0.9 please help
ra1l [238]
17.3, 18.2, 19.1, 20
6 0
3 years ago
What is the surface area of the figure
S_A_V [24]

Answer:

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6 0
3 years ago
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