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3 years ago

8% of what number is 2

Mathematics

1 answer:

sesenic [268]3 years ago

5 0

25 is the number. Hope this helps.

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The students in a science class spent 65% of the class period performing an experiment. how long is a class period if the time s

Kaylis [27]

We let x be the length (in minutes) of a certain science class. 65% of this period is spent with the experiment which lasted for about 52 minutes. Mathematically, this can be expressed as,
52 = (0.65)(x)
The value of x from the generated equation is 80. Thus, the science class is 80 minutes long.

7 0

4 years ago

Please help... 12! - 9^3

Naily [24]

Answer:

-729

Step-by-step explanation:

$-9^3 = -9 x (-9) x (-9) =$

$-9x(-9) = 81$

$81x(-9)=-729$

4 0

4 years ago

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What is resuls 26+3-7÷2 _________?????

LiRa [457]

Answer:

Step-by-step explanation:

26+3=29
29-7=22
22÷2=11

7 0

3 years ago

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Two equations are shown: • Equation 1: 3 4 (x−12)=12 •Equation 2: 3 4 y−12=12 Solve each equation. Then, enter a number in each

OverLord2011 [107]

Answer:

The required value of x = 28

The required value of y = 32

Step-by-step explanation:

The given two equations are :

$\frac{3}{4}(x-12)=12..........(1)\\\\\frac{3}{4}\cdot y-12=12...........(2)$

Now, we need to solve both the equations and find out the required values of both the unknowns x and y.

Solving equation (1) to obtain value of x. We have,

$\frac{3}{4}(x-12)=12\\\\\text{On cross multiplication, we get}\\\\\implies 3\times (x-12)=12\times 4\\\implies 3x -36=48\\\implies 3x=48+36\\\implies 3x=84\\\bf\implies x=28$

Solving equation (2) to obtain value of y. We have,

$\frac{3}{4}\cdot y-12=12\\\\\implies \frac{3}{4}\cdot y=12+12\\\\\implies \frac{3}{4}\cdot y=24\\\\\text{On cross multiplicatrion, We get}\\\implies 3\cdot y=24\times 4\\\implies 3y = 96\\\bf\implies y=32$

Hence, The required value of x = 28

And The value of y = 32

6 0

4 years ago

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Please help me solve this <br> 6-4y=8

Tems11 [23]

Step-by-step explanation:

6-4y=8
-4y= 8-6
y=2/-4
y=1/-2

<h3>hope it helps..</h3><h2>stay safe healthy and happy....</h2>

7 0

3 years ago

Read 2 more answers