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son4ous [18]
3 years ago
11

Answer these 2 for 50 points and brainiest and if you just try and answer with a fake answer i will report thx

Mathematics
1 answer:
iren [92.7K]3 years ago
5 0

Answer:

17

Step-by-step explanation:

for number 10 the answer is 24 - 7 = 17

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The radius of Earth is about 3960 miles. The radius of the moon is about 1080 miles. a. Find the surface area of Earth and the m
Molodets [167]

A) The formula for surface area of a sphere is A = 4*PI*r^2

using 3.14 for PI:

Surface area for Earth = 4 * 3.14 x 3960^2 = 196,960,896 miles^2

Surface area of the moon: 4 * 3.14 * 1080^2 = 14,649,984 miles^2

B)Divide the Surface of the Earth by the moon:

196,960,896 / 14,649,984 = 13.44

The Earths surface is 13.4 times larger than the moon.

C) Multiply the surface of the Earth by 70%:

196,960,896 * 0.70 = 137,872,627.2 million square miles of water.

4 0
3 years ago
603.8<br> 275.4<br> -_____<br><br> What’s that? But can you put the steps??
Aleksandr-060686 [28]

Answer:

328.4

Step-by-step explanation:

sorry I don't know the step by step

4 0
4 years ago
4. True or false: Lines, colors, and textures are often used to create shapes.
ioda

Answer:

true!

Step-by-step explanation:

because if we havent got lines, colors ,  and textures

how could shapes be created?

8 0
1 year ago
Read 2 more answers
There are 24 pens in a desk drawer. The pens are either red or blue. The ratio of red pens to blue pens is 5:1. How many pens ar
Flura [38]

Answer:

The number of red pens is 20.

The number of blue pens is 4.

Step-by-step explanation:

We are given that, the ratio of number of red pens to the number of blue pens is 5 : 1.

∴ Let us assume that the number of red pens be 5<em>x</em> and number of blue pens be <em>x</em>.

Total number of pens in the desk drawer = 24

Now, according to question :

Number of red pens + Number of blue pens = 24

⇒5<em>x</em> + <em>x</em> = 24

⇒6<em>x</em> = 24

⇒x=\frac{24}{6}=4

So, number of red pens in the drawer = 5<em>x</em> = 5 × 4 = 20

Number of blue pens in the drawer = <em>x</em> = 4

6 0
3 years ago
15mm 12mm a= what is the length
Mrrafil [7]

Answer: The area is 180 square millimeters.

The length is 15 mm and the width is 12 mm. The length if the perimeter-- if you were going to ask that is

(2)(15) + 2(12)

54mm.

Step-by-step explanation:

7 0
3 years ago
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