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2 years ago

1.3m long, 1.2mwide and 5m deep.how many cubic meters of soil was removed?

Mathematics

1 answer:

maxonik [38]2 years ago

6 0

Answer:

7.8 cubic meters

Step-by-step explanation:

1.3 * 1.2 * 5 = 7.8 cubic meters

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How to solve 4/7y-2 = 3/7 + 3/14

lisabon 2012 [21]

Solution

1) Simplify $\frac{4}{7y}$ to $\frac{4y}{7}$
$\frac{4y}{7}$ −2= $\frac{3}{7}$ + $\frac{3}{14}$

2) Simplify $\frac{3}{7}$ + $\frac{3}{14}$ to 914
 $\frac{4y}{7}$ −2= $\frac{9}{14}$

3) Add 2 to both sides
 $\frac{4y}{7}$ = $\frac{9}{14}$ +2

4) Simplify $\frac{9}{14
}$ +2 to $\frac{37}{14}$
$\frac{4y}{7}$ = $\frac{37}{14}$

5) Multiply both sides by 7
4y= $\frac{37}{14}$ ×7

6) Simplify $\frac{37}{14}$ ×7 to $\frac{259}{14}$
$\frac{4y}{7}$ = $\frac{259}{14}$

7) Simplify $\frac{259}{14}$ to $\frac{37}{2}$
$\frac{4y}{7}$ = $\frac{37}{2}$

8) Divide both sides by 4
y= $\frac{37}{2}$ ×4

9) Simplify 2×4 to 8
y= $\frac{37}{8}$

Hope this helps

5 0

2 years ago

PLEASE ANSWER ASAPPPP I WILL GIVE BRAINLY!!!!!!!!!!!

Crank

Answer:

$-\frac{7}{8}(-\frac{8}{7})x-\frac{3}{4}=20\left(-\frac{8}{7}\right)$

the last one

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3 years ago

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sattari [20]

Answer:4

Step-by-step explanation:

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3 years ago

Find the value of n such that x2-10x+n is a perfect square trinomial.

mihalych1998 [28]

The answer is the last option (Option D), which is:

D. 25

The explanation is shown below:

1. You have that:

(a ± b)^2=a^2 ± 2ab + b^2

2. The expression given in the problem is:

x^2-10x+n

Where x^2=a and 2ab=10x

2b=10
b=10/2
b=5

3. Therefore, you have:

b^2=5
b^2=25

b^2=n
n=25

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3 years ago

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Find the area of each figure below. Round to the nearest hundredth when necessary. 9.6 25.4 m 12 m 10 m

adelina 88 [10]

The First person that wrote there answer is correct

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3 years ago

1.3m long, 1.2mwide and 5m deep.how many cubic meters of soil was removed?​

1.3m long, 1.2mwide and 5m deep.how many cubic meters of soil was removed?