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Ksivusya [100]
2 years ago
10

I don't understand this

Mathematics
2 answers:
gulaghasi [49]2 years ago
8 0

Step-by-step explanation:

Find volume of pyramid

Formula for volume of pyramid

= (height * length * width) ÷ 3

Height = 4mm

B (base = area = length x width) =15mm^2

Volume = (4mm * 15mm^2) ÷ 3

= 60 ÷ 3

= 20 mm^3

Yanka [14]2 years ago
6 0

Answer:

Step-by-step explanation:

20mm^3

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Andrew [12]

<u>Given</u>:

Given that the graph of the linear equation.

We need to determine the equation of the graph.

<u>Slope</u>:

The slope of the equation can be determined using the formula,

m=\frac{y_2-y_1}{x_2-x_1}

Let us substitute the coordinates (2,0) and (0,-4) in the above formula, we get;

m=\frac{-4-0}{0-2}

m=\frac{-4}{-2}

m=2

Thus, the slope of the equation is 2.

<u>y - intercept:</u>

The y - intercept of the equation is the value of y when x = 0.

Hence, from the graph, it is obvious that when x = 0, the value of y is -4.

Therefore, the value of the y - intercept is b = -4.

<u>Equation of the line:</u>

The equation of the line can be determined using the formula,

y=mx+b

Substituting the values, we have;

y=2x-4

Subtracting both sides by 2x, we have;

-2x+y=-4

Dividing both sides by -1, we get;

2x-y=4

Thus, the equation of the line is 2x-y=4

Hence, Option B is the correct answer.

3 0
2 years ago
Rewrite the following without an exponent.<br> (8/5) -1
Mandarinka [93]

Answer:

5/8.

Step-by-step explanation:

a^-1 = 1/a

So here we have:

(8/5)^-1

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6 0
2 years ago
Write a fraction that is less than 5/6 and has a denominator of 8
KatRina [158]
You'll want to make a common denominator with 6 and 8.
That denominator would be 24.
24/6=4 so you would have to multiply 5/6 by 4/4 to get 20/24.
Next, 24/8=3 so 1/8 could be multiplied by 3/3 to get 3/24.
Since 3 is less than 20, 1/8 is smaller than 5/6.

If you want the same numerator, 5/8 = 15/24. This would make 5/8 smaller than 5/6 as well.
The highest eighth you can go is 6/8 which is 18/24.
So you can use any numerator between 1 and 6 with a denominator of 8 to get a fraction smaller than 5/6.
3 0
3 years ago
Plz help asap<br> Calculate: 3•7=<br> A. -4<br> B. 4<br> C. 10<br> D. 21
Tju [1.3M]
The answer is D. 21 because your multiplying 3 and 7
6 0
3 years ago
Read 2 more answers
Im confused on this:<br><br> Evaluate: 4+8÷2x (6-3)
Radda [10]

Answer:

hello there

ok so the answer is 4 + \frac{4}{3x}

Step-by-step explanation:

hope this helps!

3 0
2 years ago
Read 2 more answers
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