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Rufina [12.5K]
3 years ago
11

I need some help please

Mathematics
2 answers:
9966 [12]3 years ago
8 0
Dilation:

The dilation factor is the length of image/preimage = 1.5

Thus
Q'R'/QR=1.5
Q'R'=1.5QR = 1.5 (5 cm) = 7.5 cm

(Edited)

ExtremeBDS [4]3 years ago
5 0
So you want to know the length of the segment QR? Here it is:

So first we multiply by 1.5 the side like this: 5*1.5, we get 7.5, and that is the answer!

Hope this helped! c:
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Solve, showing all work: (4x − 6) + (3x + 6)<br><br> Note: Drop the parenthesis and add like terms.
qwelly [4]

Answer:

The answer is 7x

Step-by-step explanation:

To solve the problem drop the brackets and add the like terms

∵ (4x - 6) + (3x + 6)

- There is no number multiplied by each bracket so drop the

    brackets without any change in the values inside them

∴ (4x - 6) + (3x + 6) = 4x - 6 + 3x + 6

- The terms 4x and 3x are like terms, so add them

∵ 4x + 3x = 7x

- The terms -6 and 6 are like terms, so add them

∵ -6 + 6 = 0

∴ 4x - 6 + 3x + 6 = (4x + 3x) + (-6 + 6)

∵ (4x + 3x) + (-6 + 6) = 7x + 0

∴ 4x - 6 + 3x + 6 = 7x

∴ (4x - 6) + (3x + 6) = 7x

The answer is 7x

4 0
3 years ago
What is chemestry ..
Shtirlitz [24]
The branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances
3 0
4 years ago
For the function f(x) = 8x7, find f-¹(x).
Zanzabum

Answer:

f^-1(x)= \sqrt[7]{x} /8

Step-by-step explanation:

f(x)=8x^7

x^7=f(x)/8

x=\sqrt[7]{x} /8

f^-1(x)= \sqrt[7]{x} /8

6 0
2 years ago
Read 2 more answers
What is mid point theorem​
myrzilka [38]

Answer:

In geometry, the midpoint is the middle point of a line segment. It is equidistant from both endpoints, and it is the centroid both of the segment and of the endpoints.

Step-by-step explanation:

i don't have an explanation though

6 0
4 years ago
The size of a computer screen is measured along the diagonal. What is the approximate size, measured to the nearest inch, of a 1
SashulF [63]

According to the Pythagoras theorem, the size of the diagonal of computer screen is 15.95 inches.

Pythagoras theorem.

Pythagoras theorem states that "sum of the squares on the legs of a right triangle is equal to the square on the hypotenuse"

And the general form of Pythagoras theorem is,

c² = a² + b²

where

a and b refers the sides of the triangle

c refers the hypotenuse

Given,

The size of a computer screen is measured along the diagonal.

Here we need to find the size of the diagonal of the computer screen.

Here we consider the computer screen with the right angle triangle.

When we compare this, we have the side of the triangle are 12 inch and 10.5 inch.

So, we have apply the value to the formula, then we get the hypotenuse as,

c² = 12² + (10.5)²

c² = 144 + 110.25

c² = 254.25

c = √254.25

c = 15.95

Therefore, the size of the diagonal of the computer screen is 15.95 inches.

To know more about Pythagoras theorem here.

brainly.com/question/343682

#SPJ1

7 0
2 years ago
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