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Nastasia [14]
3 years ago
13

The scale factor of the two shapes is 0.5 (or 1/2). True or false? B 32.4 km W 36 km 18 km True False​

Mathematics
1 answer:
yulyashka [42]3 years ago
5 0

Answer: True

Step-by-step explanation:

The scale factor between shapes is the number that when multiplied by the dimensions of the original shape will give the dimensions of the transformed shape.

Likewise when the dimensions of the transformed shape is divided by this number, it will yield the dimensions of the original shape.

The original shape has a length of 36km.

= 36 * 0.5

= 18 km

This proves that 0.5 is the scale factor because when the length of the original shape was multiplied by it, the result was the length of the transformed shape.

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Use the properties of exponents to rewrite the expression.<br> (-3yz)(-3yz)(-3yz)(-3yz)
Lera25 [3.4K]

Answer:

Answer is 81y^4z^4

Step-by-step explanation:

The expression is (-3yz) (-3yz) (-3yz) (-3yz).

Since all the four terms have power 1:

(-3yz)^1 (-3yz)^1 (-3yz)^1 (-3yz)^1

We know that we can add the powers if the terms have same base

So,

=(-3yz)^1+1+1+1

=(-3yz)^4

=(-3)^4(y)^4(z)^4.

If the power is an even number than the negative sign changes into positive sign.

=3^4y^4z^4

=81y^4z^4

Thus the answer is 81y^4z^4....

3 0
3 years ago
Carlos biked 24 miles and ran 6 miles. Write the ratio of the distance Carlos biked to the total distance
Brrunno [24]

Answer:

18 miles run


Step-by-step explanation:


5 0
3 years ago
Can someone help me with all this?? i really dont get it ​
olga nikolaevna [1]

Answer:

A=78

B=102

C=78

Step-by-step explanation:

A= a and 102 are on a straight line so they add up to 180. 180-102=78. The same goes for C

B= the vertical angle for 102, or the same thing with a and c, just flipped around

8 0
3 years ago
The set of points P(0, 3), Q(2, 0), R(4, -3) are collinear and the line has a slope of _____.
vampirchik [111]

Answer:

slope = -1.5

Step-by-step explanation:

A set of three or more points are said to be collinear if they all lie on the same straight line.

We have been given the following collinear set of points;

P(0, 3), Q(2, 0), R(4, -3)

This implies that P, Q, and R lie on the same line.

The slope of a line is defined as; (change in y)/(change in x)

Using the points P and Q, the slope of the line is calculated as;

(0-3)/(2-0) = -3/2 = -1.5

7 0
3 years ago
Read 2 more answers
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wlad13 [49]

Answer:

Step-by-step explanation:

3 0
2 years ago
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