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lana66690 [7]
3 years ago
12

Find the square of the number of (-2/5) i will give something really good if you answer

Mathematics
2 answers:
Makovka662 [10]3 years ago
8 0

Answer: 4/25

Step-by-step explanation:

(-2/5)(-2/5)

4/25

The negatives make a positive.

Hope this helps!

rewona [7]3 years ago
7 0

Answer:

4/25

Step-by-step explanation:

(-2/5) ^2

This means

( -2/5) * (-2/5)

4/25

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Miss pineapple drew 2 tape diagrams. On one she showed 7/8 and the other she showed 8/7. Which is more? How do you know?
topjm [15]

Answer:8/7

Step-by-step explanation:

7/8= 0.875

8/7=1.143

1.143 is more than 0.875

That means 8/7 is greater

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PLEASE I need help with this math problem please
MakcuM [25]

Answer:

68 in³

Step-by-step explanation:

Cylinder = 3x2x2x3=36

Sphere = 4/3x3x2x2x2=32

36+32=68

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What 2 fingers should you use to properly check your pulse?
lesya692 [45]

Your middle finger and index/pointer.

8 0
3 years ago
Read 2 more answers
Please help!! "Quadrilateral ABCD is inscribed in the circle below. Find the measure of all four angles."~!!!!!
expeople1 [14]
For a cyclic quadrilateral
The opposite angles are supplementary (meaning they sum up to 180 °)
I.e (x +20) ° + 3x ° =180 °
20 + 4x = 180
4x=180 - 20
4x = 160
Divide through by 4
x = 40 °

Angle at point A
(2x + 38) = (2(40) + 38) = 118 °

Angle at point B
3x = 3(40) = 120 °

Angle at point D
x + 20 = 40 + 20 = 60 °

Angle at point C
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8 0
2 years ago
NEED HELP ASAP 30 POINTS WILL BE GIVEN TO BRAINLIEST
WINSTONCH [101]

we know that

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

we have

G(-1,3)\ H(1,2)\ J(-3,-1)

Step 1

<u>Find the slope GH</u>

G(-1,3)\ H(1,2)

substitute in the formula

m=\frac{2-3}{1+1}

m=\frac{-1}{2}

mGH=-\frac{1}{2}

Step 2

<u>Find the slope HJ</u>

H(1,2)\ J(-3,-1)

substitute in the formula

m=\frac{-1-2}{-3-1}

m=\frac{-3}{-4}

mHJ=\frac{3}{4}

Step 3

<u>Find the slope JG</u>

J(-3,-1)\ G(-1,3)

substitute in the formula

m=\frac{3+1}{-1+3}

m=\frac{4}{2}

mJG=2

Step 4

Verify if triangle GHJ is a right triangle

we know that

if two lines are perpendicular, then the product of their slopes is equal to minus one

so

m1*m2=-1

compare slope GH with slope JG

we have

mGH=-\frac{1}{2}

mJG=2

-\frac{1}{2}*2=-1 -----> side GH and side JG are perpendicular

The triangle GHJ is a right triangle

The answer in the attached figure


4 0
3 years ago
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