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2 years ago

If 0.2 gallons = .60 cents, how much is 1 gallon

1 answer:

6 0

The easiest way to do is to use the rule of three, and let x be the price of 1 gallon:

0.2 gallons --> 0.60 cents
1 gallon --> x

x = 0.60/0.2
x = 3

So, 1 gallon is 3 cents.

Hope this Helps! :)

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I need help with? this question. what is 7(-7)+149-56/2=?

Vlad [161]

Answer:

the answer is 22 hope this helps

Step-by-step explanation:

7(-7)= -49

-49+149=100

100-56=44

44/2=22

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2 years ago

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If x=-4 what is the value of the following expression?

Gre4nikov [31]

Answer:

2x^2 +3x -2

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Step-by-step explanation:

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2 years ago

A 20 packet box of detergent sells for $5.49. What is the unit rate

jolli1 [7]

Answer:$0.27

Step-by-step explanation:

20=$5.49

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3 years ago

Simplify 2^2[4+(3-6)^2]-13

HACTEHA [7]

Answer:

It's 19.

Step-by-step explanation:

Use order of operations (PEMDAS):

2^2[4+(3-6)^2]-13

Parentheses first:

= 2^2[4 + (-2)^2] - 13

= 2^2 ( 4 + 4) - 13

= 2^2 * 8 - 13

Now work out the exponent:

= 4*8 - 13

Now the multiplication:

= 32 - 13

= 19.

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3 years ago

Mrs. Sloan draws two figures on the board.

Trava [24]

A dilated shape will either be enlarged or compressed.

<em>Allen did not make any mistake, and the scale factor is 3.</em>

The dimension of the smaller rectangle (figure Z) is:

3 units by 4 units

The corresponding dimension of the bigger rectangle (figure Z') is:

9 units by 12 units

The scale factor (k) is calculated by dividing the dimensions of Z' by Z.

So, we have:

$k = \frac{9}{3}$

$k = 3$

$k = \frac{12}{4}$

$k = 3$

Notice that both values of k are the same (i.e. 3)

This means that the scale factor is 3

Also figure Z and Z' share the same center of origin at point X

This means that the center of dilation from Z to Z' is X

Hence,

Allen made no mistake, and she is correct about the scale factor.