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2 years ago

Please answer this question. Your explanation does not need to have that much effort put into it. This is a 10 point question.

Mathematics

2 answers:

Elis [28]2 years ago

7 0

Answer:

B and C

Step-by-step explanation:

3 2/5 times 7 = 23 4/5

3 2/5 times 10 = 34

The rest of the answers are incorrect

Lana71 [14]2 years ago

4 0

Answer:

Step-by-step explanation:

3⅖ = 3.4

4 days × 3.4 miles/day = 13.6 miles = 13⅗ miles

7 days × 3.4 miles/day = 23.8 miles = 23⅘ miles

19 days × 3.4 miles/day = 64.6 miles = 64⅗ miles

31 days × 3.4 miles/day = 105.4 miles = 105⅖ miles

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Sally travels to work each day. she travels 12 km east from home to main road. sally then travels 9 km north on the main road to

marshall27 [118]

This way Sally travels 12+9=21 kilometers.
If there was a direct way she could go to work, that way would have been 15 km (because her way to work forms a right-angled triangle).
Therefore her journey would be 21-15=6 km shorter. Choice A.

7 0

3 years ago

What is the volume of the cylinder if the height is 2x+7 and the radius is x-3

shusha [124]

Answer:

Therefore the volume of the cylinder $=\pi(2x^3-5x^2-24x+63)$ cubic units

Step-by-step explanation:

Given height of a cylinder is (h) =2x+7

and radius (r)= x-3

Volume of the cylinder = $\pi r^2 h$

$=\pi (x-3)^2(2x+7)$

$=\pi (x^2-6x+9)(2x+7)$

$=\pi (2x^3-12x^2+18x+7x^2-42x+63)$

$=\pi(2x^3-5x^2-24x+63)$ cubic units

Therefore the volume of the cylinder $=\pi(2x^3-5x^2-24x+63)$ cubic units

5 0

2 years ago

The fraction 1/25 as a decimal

umka2103 [35]

Answer:

0.04

Step-by-step explanation:

there you go now can you help me???????...

8 0

3 years ago

Read 2 more answers

Why was the math teacher mad at you?

forsale [732]

Step-by-step explanation:

becoz i hate mathssssssss

3 0

2 years ago

7divided by 43.4 pls help

Vikki [24]

0.161 (they said explain it so)

8 0

3 years ago