3 years ago

Identify factors and terms of the expression 3m-2n

Mathematics

1 answer:

Aleksandr [31]3 years ago

7 0

2, 3, m and n (I think you might want to check tho)

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Juanita keeps 25% of the profit from her ice cream shop. If the shop makes $750 per month, how much money will Juanita keep?

Luba_88 [7]

25%=.25
.25*750
Of equals multiply in math
Jaunita keeps 187.5

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3 years ago

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Which angles equal 91°? angles T and V angles S and U angles U and V angles S and T.

Ahat [919]

Answer:

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Step-by-step explanation:

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3 years ago

5. If the covariance between the variables x and y is 18 and the variance

klasskru [66]

Answer:

The coefficient of correlation=0.5

Step-by-step explanation:

We are given that

Covariance between the variable x and y=18

Variance of x=16

Variance of y=81

We have to find the coefficient of correlation

We know that

Coefficient of correlation

$r=\frac{covariance(x,y)}{\sqrt{variance(x)}\times \sqrt{variance(y)}}$

Using the formula

$r=\frac{18}{\sqrt{16}\times \sqrt{81}}$

$r=\frac{18}{4\times 9}$

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Hence, the coefficient of correlation=0.5

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3 years ago

Part A: Explain in words the mistake Juanita made. Part B: Solve the equation 3x + 6 = 24

Ksju [112]

She didnt divide the whole problem by 3 it would be x+3=8 then the rest of the work

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3 years ago

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Which of the following polygons cannot be used to form a regular tessellation?A. Equilateral triangleB. Regular octagonC. Square

Nataly_w [17]

A- Equilateral triangle.

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3 years ago