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Black_prince [1.1K]
2 years ago
11

How much cubic centimeters of dirt must be removed when digging for a foundation of a building if the excavation is 32m long, 12

m wide, and 8m deep
Mathematics
1 answer:
fredd [130]2 years ago
4 0

Answer:

3,072m

Step-by-step explanation:

32 × 12× 8= 3,072 (This is only you are multiplying them all)

If you are trying to find the area then its: 384m

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If a△ b=a2+ab−b2, then find (3 △ 2) △ 13. WILL MARK BRAINLIEST PLS HELP!!!!!!!!!!!!!!!!!!!!
Olenka [21]

Answer:

The answer is

<h2>18</h2>

Step-by-step explanation:

a ∆ b = a² + ab + b²

(3 ∆ 2)

a = 3 b = 2

(3 ∆ 2) = 3² +3(2) + 2²

= 9 + 5 + 4

= 9 + 9

= 18

Hope this helps you

7 0
3 years ago
Read 2 more answers
Question 2 (1 point)
bonufazy [111]

Step-by-step explanation:

\blue\starBy P.G.T

{h}^{2}  =  {b}^{2}  +  {p}^{2}

{27}^{2}  =  {16}^{2}  +  {x}^{2}

729 = 256 +  {x}^{2}

{x }^{2}  = 729 - 256 \\

x =  \sqrt{473}

\huge\boxed{x = 22}

Hope it helps .

3 0
3 years ago
Read 2 more answers
What’s the correct answer for this question?
podryga [215]

Answer:

A.

Step-by-step explanation:

Circle with centre (0,2) will have the equation

(x)²+(y-2)² = r²

Finding r² by distance formula using P(-7,2)

r² = (-7-0)²+(2-2)²

r² = (-7)²

r² = 49

So substituting in the equation

x²+(y-2)² = 49

8 0
3 years ago
KLMN is a parallelogram. Identify m∠N.
Aleonysh [2.5K]
80 degrees hope it helps
8 0
3 years ago
Research results showed that experimental Drug R had a minimal to modest effect in reducing the symptoms of generalized anxiety
Angelina_Jolie [31]

Answer:

The variable that may change in response to the increase of the drug is the GAD symptoms by a 37,5%.

Step-by-step explanation:

According to the results of the first experiment with a mass of 200 mg of Drug R, they obtain a reduced of the GAD symptoms by a 25 percent evidenced by the Hamilton Anxiety Scale.

If they decided to increase the mass of Drug R to 300 mg the results expected are a increase of the porcentange of the reduced symptoms of generalized anxiety disorder, according to the tendence of the first hypothesis and the Hamilton Anxiety Scale.

We can express this increase by using the three simple rule. Where if 200 mg of Drug R reduced the 25% of the GAD symptoms, if we increase to 300 mg of Drug R how much porcentage this amount will be reduced.

Doing the maths 300mg × 25%=7500mg%,

    ⇒ 7500mg% ÷ 200mg = 37,5%.

<u>In conclusion</u> if they increased the mas of Drug R to 300 mg they will be reduced the generalized anxiety disorder (GAD) to a 37,5%.

3 0
3 years ago
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