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3 years ago

Armold can do 65 push up in five minutes how many can be do in one

Mathematics

1 answer:

netineya [11]3 years ago

6 0

Answer:

He can do 13 push ups in one

Step-by-step explanation:

If he can do 65 in 5 and you have to find for one its like finding the unit rate.

So you have to divide the 65 he can do in 5 by 5 so 65÷5

Once you do this you'll get 13 which is how much he does in one

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What is √-11 in the form a+bi?

Mice21 [21]

Given:

The number is $\sqrt{-11}$ .

To find:

The a+bi form of given number.

Solution:

We have,

$\sqrt{-11}$

It can be written as

$\sqrt{-11}=\sqrt{-1\times 11}$

$\sqrt{-11}=\sqrt{-1}\times \sqrt{11}$ $[\because \sqrt{ab}=\sqrt{a}\sqrt{b}]$

$\sqrt{-11}=i\times \sqrt{11}$ $[\because \sqrt{-1}=i]$

$\sqrt{-11}=\sqrt{11}i$

Here, real part is missing. So, it can be taken as 0.

$\sqrt{-11}=0+\sqrt{11}i$

So, a = 0 and $b=\sqrt{11}$ .

Therefore, the a+bi form of given number is $0+\sqrt{11}i$ .

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3 years ago

Please help!!!!!

Naya [18.7K]

Your answer is 80. A triangle’s angles add up to 180 degrees. Therefore, you need to subtract 30 and 70 from 180 to find your answer: 180-(30+70)=80 or 180-70-30=80

5 0

4 years ago

Please can you help me with this

Orlov [11]

4a-87=a

3a=87

a=87/3=29

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3 years ago

Pleeeeeease help :( I'm marking brainliest

RSB [31]

Answer

it'll take 20 hours to burn!

Step-by-step explanation:

for every 2 inches it takes an hour so if you do 10 x 2 you get 20!

7 0

3 years ago

Read 2 more answers

<img src="https://tex.z-dn.net/?f=%2816%20%2B%204%29%20%5Ctimes%209%20%3D%20%2816%20%5Ctimes%20x%29%20%2B%20%284%20%5Ctimes%20y%

RSB [31]

Isolate the variable by dividing each side by factors that don't contain the variable.

x= 13/4 - y/4

If you are solving for x (only)
X = 45/4 - y/4

If you are solving for y (only)
Y= 45- 4x

6 0

3 years ago