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kow [346]
3 years ago
15

Given a+2 when a=5 I need help

Mathematics
2 answers:
kow [346]3 years ago
6 0
The answer would be 7 so the top person is right :)
blsea [12.9K]3 years ago
3 0

Answer:

The answer to this is 7.

a+2

5+2

7

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Adrian says that 4(-9)= 36. Why is Adrian incorrect?
xenn [34]

Answer:

4(-9)= -36

Step-by-step explanation:

Since there's a negative on the 9 it will affect the product. So the answer is supposed to be a - 36.

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2 years ago
Where does the oxygen that is used during cellular respiration in animals
Softa [21]

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Find the sum that amounts to Rs 9,144 in 3 years at 9% per year simple interest.​
Hunter-Best [27]

Given:

Amount = Rs. 9,144

Time = 3 years.

Rate of simple interest = 9%

To find:

The principal value.

Solution:

The formula for simple interest is:

I=\dfrac{P\times r\times t}{100}

Where, P is principal, r is the simple rate of interest, and t is the number of years.

Putting r=9,t=3 in the above formula, we get

I=\dfrac{P\times 9\times 3}{100}

I=\dfrac{27P}{100}

I=0.27P

We know that,

\text{Amount}=\text{Principal + Interest}

9144=P+0.27P

9144=1.27P

Divide both sides by 1.27, we get

\dfrac{9144}{1.27}=P

7200=P

Therefore, the principal value is Rs. 7200.

8 0
3 years ago
A plane flies over city A and reaches city B in 12 minutes, which is 120 miles away from it. Find the speed of the plane in mile
KonstantinChe [14]
The correct answer for the question that is being presented above is this one: "<span>C. 600 mi./hr. "</span>

Plane flies from City A to City B in 12 minutes. The distance is 120 miles.
12 minutes is just 0.2 of 60 minutes.
= 120 miles / 0.2 hour
= 600 miles / hour
4 0
3 years ago
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Step-by-step explanation:

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