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3 years ago

How will the drawing area look after you click the erase tool?

Mathematics

1 answer:

Vikentia [17]3 years ago

7 0

Wym by this question ? When you click the erase tool , it’ll erase your drawing , it’ll look empty.......

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Which point represents −238 on the number line?

Hunter-Best [27]

Answer:

Step-by-step explanation:

Draw a line and take a point O(zero) in the middle.Divide both sides in equal distances.

Every positive integer lies to the right of O and every negative integer lies to the left of O.

-238 is 238 units away from 0(to the left) = -283

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3 years ago

There are seven roads that lead to the top of a hill. How many different ways are there to reach the top and then go back down?

rjkz [21]

Answer:

two I have no idea of the question

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3 years ago

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The height of one solid limestone square pyramid is 21 m. A similar solid limestone square pyramid has a height of 30 m. The vol

Elina [12.6K]

Answer:

Part a) The scale factor of the smaller pyramid to the larger pyramid in simplest form is $\frac{7}{10}$

Part b) The ratio of the volume of the smaller pyramid to the larger pyramid is $\frac{343}{1,000}$

Part c) The volume of the smaller pyramid is $4,116\ m^{3}$

Step-by-step explanation:

Part a) The scale factor of the smaller pyramid to the larger pyramid in simplest form

we know that

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

Let

z----> the scale factor

x----> the height of the smaller pyramid

y----> the height of the larger pyramid

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

substitute the values

$z=\frac{21}{30}$

Simplify

$z=\frac{7}{10}$ -----> scale factor in simplest form

Part b) Ratio of the volume of the smaller pyramid to the larger pyramid

we know that

If two figures are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube

Let

z----> the scale factor

x----> the volume of the smaller pyramid

y----> the volume of the larger pyramid

$z^{3}=\frac{x}{y}$

we have

$z=\frac{7}{10}$

substitute

$\frac{7}{10}^{3}=\frac{x}{y}$

Rewrite

$\frac{x}{y}=\frac{343}{1,000}$ -----> ratio of the volume of the smaller pyramid to the larger pyramid

Part c) The volume of the smaller pyramid

we know that

If two figures are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube

Let

z----> the scale factor

x----> the volume of the smaller pyramid

y----> the volume of the larger pyramid

$z^{3}=\frac{x}{y}$

we have

$z=\frac{7}{10}$

$y=12,000\ m^{3}$

substitute the values and solve for x

$(\frac{7}{10})^{3}=\frac{x}{12,000}$

$x=\frac{343}{1,000}(12,000)=4,116\ m^{3}$

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3 years ago

A student made the following chart to prove that AB2 + BC2 = AC2. (SEE ATTACHMENT)

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"<span>Triangle ABC is similar to triangle ABD 3. Angle ABC = Angle BAD and Angle BAC = Angle ABD" is the one step among the following choices given in the question that has the error. The correct option among all the options that are given in the question is the third option or option "3". I hope the answer has helped you.</span>

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3 years ago

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Verizon has a special and is selling the new IPhone 7 for $299 to new customers. If the Apple Store is charging twice as much as

photoshop1234 [79]

Answer:

the answer is $598

Step-by-step explanation:

299×2=598

4 0

3 years ago