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2 years ago

What are the ratios and is this table proportional

Mathematics

1 answer:

Natali5045456 [20]2 years ago

7 0

Answer:

45/1=45

90/2=45

135/3=45

180/4=45

225/5=45

Step-by-step explanation:

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What is the name of the point from which a dilation is drawn?

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For this case, the first thing you should do is know that dilation is a transformation that is used to lengthen or shorten a geometric figure.

Geometric figures can be triangles, squares, circles, or any polygon.

There is a point on the plane, at which the dilation begins to be drawn.

This point on the plane is what we know as the center of dilation .

Answer:

B. the center of dilation

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3 years ago

Please help i dont understand

Ket [755]

672 is the correct answer

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Answer:

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3 years ago

Noah is buying a pair of jeans and using a coupon for 10%off. The total price is $56.70 which includes $2.70 in sales tax. Noah’

lora16 [44]

Answer:

See below.

Step-by-step explanation:

So, we know that Noah's purchase can be modeled by the equation:

$x-0.1x+2.70=56.70$

Part 1)

The solution to the equation will be the value of x.

In this case, x will represent the original price of the jeans.

We know that Noah has a coupon for 10% off the original price of the jeans.

So, 0.1x will represent how much of the original price Noah gets a a discount on.

Therefore, (x - 0.1x) represents the total cost of the jeans after the coupon.

So, x is our original price of the jeans.

Part 2)

To verify that 70 is not a solution, we can simply substitute 70 for x and check whether or not the equation is true. So:

$(70)-0.1(70)+2.7\stackrel{?}{=}56.70$

Multiply:

$70-7+2.7\stackrel{?}{=}56.7$

Subtract:

$63+2.7\stackrel{?}{=}56.7$

Add:

$65.7\neq56.7$

However, we can verify that 60 is the solution by substituting. So, substitute 60 for every x:

$(60)-0.1(60)+2.7\stackrel{?}{=}5.7$

Multiply:

$60-6+2.7\stackrel{?}{=}56.7$

Subtract:

$54+2.7\stackrel{?}{=}56.7$

Add:

$56.7\stackrel{\checkmark}{=}56.7$

So, 60 is indeed the solution and is the value of x.

So, this means that $60 was the original price of the jeans.

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3 years ago

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