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Scorpion4ik [409]
3 years ago
8

One day on Snow White’s mail route there were 2920 pieces of mail to be delivered. If 45% of those pieces were advertising piece

s, find the number of advertising pieces.
Mathematics
2 answers:
alexandr402 [8]3 years ago
8 0
Turn 45 into a decimal by moving the point two spaces over to the left then do 
0.45 times 2,920 and you will get 1,314. 

therefore, 
your answer is 1,314 :)

Masja [62]3 years ago
3 0
Hello!

You have to find 45% of 2,920

First change 45% to a decimal

To change percents to decimal, remove the % sign and add a decimal point 2 places to the left.

45% = 0.45

<em>Now multiply</em>

0.45 × 2,920 = 1,314

There are <u>1,314 </u>advertising pieces

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Jennifer made 5 Liters of punch for her party. Her brother made another 750 milliliters if they combine the two batches how many
tia_tia [17]

Answer:

Step-by-step explanation:

The total amount of punch that Jennifer made for her party is 5 Liters. Her brother made another 750 milliliters.

1000 milliliters = 1 liter

750 milliliters = 750/1000 = 0.75Liter

if they combine the two batches, the total amount made would be

5 + 0.75 = 5.75Liter

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The number of 180 milliliters servings would be

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7 0
3 years ago
What is the volume of the composite figure? (Round to the nearest hundredth. Use 3.14 for x.)
marshall27 [118]

The volume of the composite figure is the third option 385.17 cubic centimeters.

Step-by-step explanation:

Step 1:

The composite figure consists of a cone and a half-sphere on top.

We will have to calculate the volumes of the cone and the half-sphere separately and then add them to obtain the total volume.

Step 2:

The volume of a cone is determined by multiplying \frac{1}{3} with π, the square of the radius (r²) and height (h). Here we substitute π as 3.1415.

The radius is 4 cm and the height is 15 cm.

The volume of the cone :

V = \frac{1}{3} \pi r^{2} h = \frac{1}{3} (3.1415)(4^{2} )(15) = 251.32 cubic cm.

Step 3:

The area of a half-sphere is half of a full sphere.

The volume of a sphere is given by multiplying \frac{4}{3} with π and the cube of the radius (r³).

Here the radius is 4 cm. We take π as 3.1415.

The volume of a full sphere \frac{4}{3} \pi r^{3} = \frac{4}{3} (3.1415) (4^{3}) = 268.07 cubic cm.

The volume of the half-sphere =\frac{1}{2} (268.07) = 134.037 cubic cm.

Step 4:

The total volume = The volume of the cone + The volume of the half sphere,

The total volume 251.32+134.037 = 385.357 cub cm. This is closest to the third option 385.17 cubic centimeters.

5 0
3 years ago
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elixir [45]
Y=80x+270
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7 0
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zalisa [80]

Answer:

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Step-by-step explanation:

Assume:

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