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Scorpion4ik [409]
3 years ago
12

Tien reads for 45 minutes each night before going to bed. Which expression will

Mathematics
1 answer:
Svetllana [295]3 years ago
8 0

Answer:

135 !!!!!!!!!!!!

Step-by-step explanation:

Your welcome!!!

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Figures A and B at right are similar. Assuming that figure A is the original figure, find the scale factor and find the lengths
AnnZ [28]

The scale factor is: 1/5.

The missing sides of figure B are: 2.4, 3.6, and 4.

<h3>How to find Scale Factor?</h3>

Scale factor = dimension of new figure / dimension of original figure

The polygons given are shown in the diagram attached below.

Figure A is the original figure

Figure B is the new figure.

x, y, and z has been used to mark the missing sides of figure B.

One dimension of original figure = 15

Corresponding dimension of the new figure = 3

Scale factor = new/original = 3/15

Scale factor = 1/5

To find the missing sides of figure B, multiply each corresponding side lengths of Figure A by the scale factor:

x = 12 × 1/5 = 2.4

y = 18 × 1/5 = 3.6

z = 20 × 1/5 = 4

In summary:

The scale factor is: 1/5.

The missing sides of figure B are: 2.4, 3.6, and 4.

Learn more about scale factor on:

brainly.com/question/2826496

3 0
2 years ago
#2 Find the value of x. Round to the nearest degree.
Sergio [31]

Answer:

49°

Step-by-step explanation:

arccos x = 15/23

4 0
2 years ago
Can someone help me seriously
charle [14.2K]

45 × 30 ÷ 100 = 13.5

thats all

5 0
3 years ago
Simplify: (–4) • (9) – (5) • (–2) <br> A)2 <br> B)–36 <br> C)–26 <br> D)82
lapo4ka [179]
Using the correct order of operations, your equation would simplify as:
-36 - 10 = -26
7 0
3 years ago
Find the slope of the line. 5x – 2y = 7
nika2105 [10]

Answer:

Final answer is slope m=\frac{5}{2}

Step-by-step explanation:

Given equation is 5x-2y=7

Now question says to find the slope.

Since given equation 5x-2y=7 is a linear equation so we need to compare 5x-2y=7 with slope intercept formula y=mx+b to get the value of slope m.

Since 5x-2y=7 is not in that form so first let's rewrite it in y=mx+b form

5x-2y=7

-2y=-5x+7

y=\frac{-5x+7}{-2}

y=\frac{5}{2}x-\frac{7}{2}

Now comparing with y=mx+b, we get m=\frac{5}{2}

Hence final answer is slope m=\frac{5}{2}

8 0
3 years ago
Read 2 more answers
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