2 years ago

JjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjHow do you divide decimals?

Mathematics

1 answer:

Maru [420]2 years ago

4 0

Give me a decimal to divide n I will help u

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Two angles are supplementary if the sum of their measure is 180 degrees. If one of the two supplementary angles measures 85 degr

ale4655 [162]

Answer:

95 degrees.

Step-by-step explanation:

Their sum is 180. You will subtract 85 to get the other half of the whole.

180 - 85 = 95

The other angle is 95 degrees.

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What is the answer for question 4? WHO EVER ANSWER'S IT IS THE BRAINIEST

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The answer is sunlight.

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How do i solve using the substitution method? x+y=-1 y=-2x

leonid [27]

Answer:

$(1, -2)$

Step-by-step explanation:

Step 1: Set the second equation into the first

$x + (-2x) = -1$

$x - 2x = -1$

$-x / -1 = -1 / -1$

$x = 1$

Step 2: Solve the second equation

$y = -2(1)$

$y = -2$

Answer: $(1, -2)$

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3 years ago

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What is the measure of ABC? A. 130 B. 85 C.40 D.170

Nitella [24]

Answer:

130

Step-by-step explanation:

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3 years ago

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The following table shows the weights, in hundreds of pounds, for six selected cars. Also shown is the corresponding fuel eff

Reika [66]

Answer:

Step-by-step explanation:

Given is a table showing the weights, in hundreds of pounds, for six selected cars. Also shown is the corresponding fuel efficiency, in miles per gallon (mpg), for the car in city driving.

Weight Fuel eff. x^2 xy y^2

X Y

28 20 784 560 400

3 22 9 66 484

35 19 1225 665 361

32 22 1024 704 484

30 23 900 690 529

29 21 841 609 441

Mean 26.16666667 21.16666667 797.1666667 549 449.8333333

Variance 112.4722222 1.805555556

Covariance -553.8611111

r -0.341120235

Correlaton coefficient =cov (xy)/S_x S_y

Covariance (x,y) = E(xy)-E(x)E(y)

The correlation coefficient between the weight of a car and the fuel efficiency is -0.341

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3 years ago