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MrRissso [65]
3 years ago
14

How to solve percent of change

Mathematics
1 answer:
pshichka [43]3 years ago
7 0
To calculate the percentage increase: First: work out the difference (increase) between the two numbers you are comparing. Then: divide the increase by the original number and multiply the answer by 100. If your answer is a negative number then this is a percentage decrease.
that's it
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Twice the sum of a number and 5 is equal to three times the difference of the number and 2
Alexxx [7]

Answer:16

Step-by-step explanation:

Let the number be X

Twice the sum of a number and 5

= 2X+5

Three times the difference of the number and 2

= 3(X - 2)

Since Twice the sum of X and 5 is equal to three times the difference of the X and 2, This means

2(X + 5 )= 3(X - 2)

2X +10 = 3X - 6

3X -2X = 10 + 6 = 16

X = 16

Check

2×(16+5) =3×(16-2)

2×21 = 3×14

42 = 42

3 0
3 years ago
What is x what X^(3)=12
Hunter-Best [27]

Answer:

2.2894

Step-by-step explanation:

x = ∛12 = 2.2894

6 0
3 years ago
Read 2 more answers
Hernando ate StartFraction 2 Over 8 EndFraction of a pizza for a dinner. He gave his 6 friends the rest of the pizza and told th
ozzi

Answer:

Yes, they are correct. Hernando divided 6 by 6.

Step-by-step explanation:

Given that:

Hernando ate 2/8 of a pizza for dinner.

Let the pizza be x. Then:

Hernando ate \dfrac{2}{8} \ \ o f  \ \ x

Then he gave the rest of the pizza to his friends

Hernando now carried out the  following calculations to support his activities;

\dfrac{6}{8} \div 6= \dfrac{6 \div 6}{8}= \dfrac{1}{8}

\dfrac{6}{8} \times \dfrac{1}{6}= \dfrac{6 \div 6}{8}= \dfrac{1}{8}

From the above calculation; we will see that Hernando divided 6 by 6 in both cases to get \dfrac{1}{8}.

Thus, the correct answer is:

Yes, they are correct. Hernando divided 6 by 6.

3 0
3 years ago
Read 2 more answers
Savannah measure's the temperature of a liquid to be 24 Celsius. Convert to Fahrenheit
jek_recluse [69]

Answer:

The temperature of Savannah's liquid to the nearest degree Fahrenheit is 75.2.

Step-by-step explanation:

The general formula to convert celsius into fahrenheit is

F=(C*9/5)+32

F= 24 *9/5 +32

F= 24*1.8 +32

F= 43.2 +32

F= 75.2

Therefore, The temperature of Savannah's liquid to the nearest degree Fahrenheit is 75.2

5 0
3 years ago
Read 2 more answers
In the equation 3a+2(4a-1)=9 what is value of a ?
MrMuchimi
Here is the answer
I did it with steps
3a+2(4a-1)=9
3a+8a-2=9
11a=11
a=1
7 0
3 years ago
Read 2 more answers
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