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3 years ago

Is scale drawings and dilations similar? If so, how?

1 answer:

4 0

A dilation is a transformation that produces an image that is the same shape as the original, but is a different size. A dilation stretches or shrinks the original figure. 
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http://www.virtualnerd.com/middle-math/ratios-proportions-percent/scale-drawings-models/scale-drawin...
^^^^^
will help

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Find the surface area plz

vladimir1956 [14]

Hi again! ;)

If we want to find the surface area of a cube, we need to find the area of one surface first, and then multiply that by 9, since there are 9 sides/surfaces on a cube.

Since each side of a square is the same, we first find the area of one surface:

9 × 9 = 81

Then, to find the surface area, we multiply 81 by 6:

81 × 6 = 486

The surface area is
$486 \: {in}^{2}$

7 0

3 years ago

Is 1/3 a irrational number?

LenKa [72]

Answer: 13 is a rational number

Step-by-step explanation: By definition, a rational number is a number q that can be written as a fraction in the form q=a/b where a and b are integers and b≠0. So, 1/3 is rational because it is exactly what you get when you divide one integer by another.

8 0

2 years ago

5th grade math. correct answer will be marked brainliest

Sergio039 [100]

First blank is foreign then the is add then the next one is 28

7 0

2 years ago

5. Point U is the midpoint of ty. Find the value of x. Round to the nearest tenth if necessary.

sattari [20]

The value of x is 8.5.

Solution:

U is the mid-point of TV.

TU = 6

UV = 2x - 11

TU = UV

6 = 2x - 11

Add 11 on both sides.

6 + 11 = 2x - 11 + 11

17 = 2x

Divide by 2 on both sides.

$$\frac{17}{2} =\frac{2x}{2}$

8.5 = x

Switch the sides.

x = 8.5

Option B is the correct answer.

7 0

3 years ago

On a road in the city of Madison, the maximum speed is 45 miles per hour and the minimum speed is 35 miles per hour. Let x repre

dalvyx [7]

Answer:

a. 35≤x≤45 where x represents speed

b. 16≤y≤100 where y represents age

Step-by-step explanation:

a. Explain how compound inequalities can be use to describe the speed restrictions on roads.

x represents the speed, then

the maximum speed is 45 miles

x≤45

the minimum speed is 35 miles

x≥35

Both inequalities represent the speed restrictions

The compound inequality will be:

35≤x≤45

b. Include a compound inequality describing a possible age restriction for driving on roads. Describe what this represents. (Minimum driving age is 16 years, and most drivers stop renewing their licenses by age 100.)

Let y be the age

then

Minimum driving age is 16 years

y≥16

most drivers stop renewing their licenses by age 100.)

y≤100

The compound inequality will be:

16≤y≤100 ..

7 0

3 years ago

Read 2 more answers