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2 years ago

Please help me i don’t know this

Mathematics

1 answer:

scZoUnD [109]2 years ago

3 0

Answer: Surface Area = 16in.

Step-by-step explanation:

So we need to find the area of each side and add them up.

First we find the area of one of the triangular sides: 2*3/2 = 3

Then we multiply it by 4 to accommodate the 4 sides that are the same size: 12

Then we do 2*2 = 4 for the base. We then add those up.

4 + 12 = 16

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andrezito [222]

Answer:

12 divided by 1.5 = 8 tapes

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5 0

1 year ago

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Find the slope (2,5) and (6,2)

Drupady [299]

Answer:

slope =-3

Step-by-step explanation:

slope = y2 - y1

x2 - x1

=2 - 5

6 - 2

= -3

5 0

2 years ago

Please help and and explain

sineoko [7]

Answer:

Step-by-step explanation:

6 0

2 years ago

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Find the distance between the points. (Round your answer to two decimal places. (9.7, - 2.8), (- 3.2, 8.8)

Dmitry [639]

Answer:

Rounding it to two decimal places, we get distance, $d=17.35$

Step-by-step explanation:

Given:

The two points are $(9.7, -2.8)\textrm{ and }(-3.2, 8.8)$

The distance between the two points can be obtained using the distance formula which is given as:

$d=\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2}$

Here, for the points, $(9.7, -2.8)\textrm{ and }(-3.2, 8.8)$

$x_{1}=9.7,x_{2}=-3.2,y_{1}=-2.8,y_{2}=8.8$

Therefore, the distance between the points is:

$d=\sqrt{(-3.2-9.7)^2+(8.8-(-2.8))^2}\\d=\sqrt{(-12.9)^2+(8.8+2.8)^2}\\d=\sqrt{(12.9)^2+(11.6)^2}\\d=\sqrt{166.41+134.56}\\d=\sqrt{300.97}=17.348$

Rounding it to two decimal places, we get $d=17.35$

7 0

2 years ago

Use the quadratic formula to solve the equation x2+7x

monitta

The solution of the equation x2+7x is 0, -7 using the quadratic formula.

Step-by-step explanation:

x2 + 7x = 0

-b ± √ b2 - 4(ac)/ 2a

substitution,

a = 1, b = 7, c = 0

= -7 ± √(7)2 - 4(1 x 0) / 2 x 1

= - 7 ± 7 / 2

x = 0 , -7

4 0

2 years ago