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3 years ago

To increase an amount by 85% what single multiplier would you use

Mathematics

2 answers:

mel-nik [20]3 years ago

8 0

The answer is 1.85 multiplier.

koban [17]3 years ago

4 0

You could use 1.85 as a scalar, because that keeps the initial value and adds 85% of it.

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What is the ratio for the surface areas of the cones shown below, given that

andreyandreev [35.5K]

Answer:

The ratio for the surface areas is equal to 4

Step-by-step explanation:

step 1

Find the scale factor

we know that

If two figures are similar, then the ratio of its corresponding sides is proportional and this ratio is called the scale factor

Let

z -----> the scale factor

In this problem

The scale factor is equal to

$z=\frac{2}{1}$ ----> the ratio of its corresponding radii or its corresponding altitudes

step 2

Find the ratio for the surface areas of the cones

we know that

If two figures are similar, then the ratio of its surface areas is equal to the scale factor squared

Let

z -----> the scale factor

x ----> the surface area of the larger cone

y ----> the surface area of the smaller cone

$z^{2} =\frac{x}{y}$

we have

$z=\frac{2}{1}$

substitute

$(\frac{2}{1})^{2}=\frac{x}{y}$

$4=\frac{x}{y}$

The ratio for the surface areas is equal to 4

That means-----> The surface area of the larger cone is 4 times the surface area of the smaller cone

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3 years ago

Is the height of a rocket a function of time? Justify. A) No; The atmosphere is constantly changing. B) No; At any given time wi

frosja888 [35]

Answer:d

Step-by-step explanation:

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4 years ago

In fig if x+y=w+z then prove that AOB is a line.

frez [133]

Answer:

As Given, x+y=w+z

To Prove: AOB is a line or x+y=180

∘

(linear pair.)

According to the question,

x+y+w+z=360

∘

∣ Angles around a point.

(x+y)+(w+z)=360

∘

(x+y)+(x+y)=360

∘

∣ Given x+y=w+z

2(x+y)=360

∘

(x+y)=180

∘

Hence, x+y makes a linear pair.

Therefore, AOB is a straight line

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4 years ago

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vlabodo [156]

Answer:

Step-by-step explanation:

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3 years ago

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Portia' s goal is to run a total of 10 miles every week. She ran 1.901 miles on Monday, 2.037 miles on Wednesday, and 3.159 mile

shtirl [24]

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4 years ago