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cluponka [151]
3 years ago
10

Plzzz help me i will mark you as brainliest​

Mathematics
1 answer:
Gelneren [198K]3 years ago
8 0

Answer:

7/21

Step-by-step explanation:

3*7=21

1*7=7

I hope that helps

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The volume of a right cylinder is 27π cubic centimeters, and the high is 3 centimeters (cm). What is the radius of the cylinder?
Dmitrij [34]

Answer:

B

Step-by-step explanation:

The volume is the height x area of base, 27pi / 3 = 9pi

Area of base is radius square x pi, 9 pi = 3^2 x pi

4 0
2 years ago
Read 2 more answers
Explain how using basic facts can help you find 10×20×30×40 mentally?
Katena32 [7]
So all you have to do is take the first numbers of each multiple and multiply them. 
1 x 2 x 3 x 4 = 24 
Now you just add the 4 zeros to your answer. 
240,000 

Our answer even checks! 
10 x 20 x 30 x 40 = 240,000 

Good Luck! :)
3 0
4 years ago
How to do this? pls don't ignore
oksano4ka [1.4K]
So basically you just need to do the Pythagorean theorem to find the sides of the shaded rectangle, with c being the length of the side.

Small side:
2^2 + 6^2 = c^2
4 + 36 = c^2
40 = c^2
C is similar to 6.32456

Long side:
12^2 + 4^2 = c^2
144 + 16 = c^2
160=c^2
C is similar to 12.64911

And then you just multiply!

7 0
3 years ago
Read 2 more answers
Jase and Gabby both take a road trip. Jase drove 35 more miles that Gabby did. All together,
aliina [53]

Answer:

Gabby= 172.5 Jase= 137.5

Step-by-step explanation:

310-35= 275

275/2= 137.5 = Jase add 35 for Gabby

137.5+35=172.5

4 0
3 years ago
PLEASE HELP Im giving 31 points and brainliest!!
statuscvo [17]

Answer:

9676

Step-by-step explanation:

2 x 21 x 82 + 38 x 82 +2 x \frac{38 x 82}{2} = 9676

6 0
3 years ago
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