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2 years ago

11

Which rule describes the transformation that was used to form parallelogram A'B'C'D'

1 answer:

Ainat [17]2 years ago

3 0

The answer would be c because you went left 10 and when you go left its always negative.Then you went down 3 .When going down its also negative

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Yesterday Mike bought 2 gallons of regular gasoline and 3 gallons of premium gasoline at a gas station for $13.60 today he bough

larisa [96]

Answer:

Cost of 1 gallon of Regular gasoline is $2.45 and Cost of 1 gallon of Premium gasoline is $2.90.

Step-by-step explanation:

Let the Cost of Regular gasoline be 'x'.

Let the Cost of Premium gasoline be 'y'.

Given:

Amount of regular gasoline bought yesterday = 2 gallons

Amount of premium gasoline bought yesterday = 3 gallons

Total Cost of yesterday = $13.60

Now we know that Total Cost of yesterday is equal to sum of Amount of regular gasoline bought yesterday multiplied by Cost of Regular gasoline and Amount of Premium gasoline bought yesterday multiplied by Cost of premium gasoline.

Framing in equation form we get;

$2x+3y=13.60 \ \ \ \ equation\ 1$

Also Given:

Amount of regular gasoline bought today = 3 gallons

Amount of premium gasoline bought Today = 4 gallons

Total Cost of Today = $18.95

Now we know that Total Cost of Today is equal to sum of Amount of regular gasoline bought Today multiplied by Cost of Regular gasoline and Amount of Premium gasoline bought Today multiplied by Cost of premium gasoline.

Framing in equation form we get;

$3x+4y=18.95 \ \ \ \ equation\ 2$

Now Multiplying equation 1 by 3 we get;

$2x+3y=13.60\\\\3(2x+3y)=13.60\times3\\\\6x+9y= 40.80 \ \ \ \ \ equation\ 3$

Now Multiplying equation 2 by 2 we get;

$3x+4y=18.95\\\\2(3x+4y)=18.95\times2\\\\6x+8y= 37.90 \ \ \ \ \ \ equation\ 4$

Subtracting equation 4 from equation 3 we get;

$(6x+9y)- (6x+8y)= 40.80-37.90\\\\6x+9y-6x-8y= 2.9\\\\y=\$2.90$

Substituting the value of y in equation 1 we get;

$2x+3y=13.60\\\\2x+3\times2.90 =13.60\\\\2x+8.7=13.6\\\\2x=13.6-8.7\\\\2x=4.9\\\\x=\frac{4.9}{2} =\$2.45$

Hence Cost of 1 gallon of Regular gasoline is $2.45 and Cost of 1 gallon of Premium gasoline is $2.90.

4 0

2 years ago

What is the radius of a sphere that has a surface area of 196π sq ft?

grandymaker [24]

4πr^2=196π r^2=49 r=7

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3 years ago

This brain plus is BS u cant do anything all the stuff i need is blocked

skelet666 [1.2K]

If you need help with anything you can post it.

7 0

2 years ago

Matching: 1. normal distribution square root of the variance 2. standard normal distribution difference between any value and th

shusha [124]

Answer:

1) Normal distribution-------------- A distribution that takes on the shape of a bell curve.

2) Standard Normal distribution--------A normal distribution with a mean 0 and a standard deviation of 1.

3) deviation----------------- difference between any value and the mean of

the set.

4) frequency distribution--------- organizes data into categories called

classes.

5) range---------- difference between the smallest term in the data and

the largest term in the data set.

6) standard deviation----------- square root of variance.

7) Variance------------ square of the standard deviation.

8) z-score------------- deviation of a value x from the mean of the sample

divided by the standard deviation.

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2 years ago

What are the y and x intercepts

Degger [83]

Answer:

y will be 3 and x will be 3 no worry it's a wrong answer

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2 years ago