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2 years ago

Please help! Geometry Dilations, Similar triangles & proportionality

Mathematics

1 answer:

lubasha [3.4K]2 years ago

4 0

Answer:

Step-by-step explanation:

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What is the equation of the line that passes through 1,4 and 2,1

sashaice [31]

Answer:

y = -3x + 7

Step-by-step explanation:

The equation of a line

y = mx + c

y - intercept point y

m - slope of the line

x - intercept point x

c - intercept point of the line

Step 1: find the slope

m = y2 - y1 / x2 - x1

Given two points

( 1 , 4) ( 2 , 1)

x1 = 1

y1 = 4

x2 = 2

y2 = 1

insert the values

m = 1 - 4 / 2 - 1

m = -3/1

m = -3

y = -3x + c

Step 2: substitute any of the two points given into the equation of a line

y = -3x + c

( 1 ,4)

x = 1

y = 4

4 = -3(1) + c

4 = -3 + c

4 + 3 = c

c = 7

Step 3: sub c into the equation

y = -3x + 7

The equation of the line is

y = -3x + 7

3 0

2 years ago

HELP!!!<br> Describe the shape of the data distribution

Natalija [7]

The data distribution is positively skewed

8 0

2 years ago

Put these numbers in order from least to greatest.<br> -1, 21/28, -22/25

jek_recluse [69]

Answer:

-22/55,-1,21/28

Step-by-step explanation:

4 0

2 years ago

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The measure of one of the angles formed by two parallel lines and a transversal is 45°. Is it possible for the measure of any of

liubo4ka [24]

Answer: No

Step-by-step explanation:

Three of the other angles are 45°. The other four are 180° - 45°, which is not 55°. At the intersection of two lines, opposite angles are equal and adjacent angles are complementary, so two adjacent angles add to 180°. Adding a parallel line gives four more angles identical to the first four.

4 0

2 years ago

What decimal is greater 0.732 or 0.75

BARSIC [14]

0.732
0.750

If you have trouble with decimals, then multiply both numbers by a constant number to get rid of the decimals. In this case, we would multiply by 1000.

0.732 x 1000 = 732
0.750 x 1000 = 750

Obviously, 750 is bigger than 732. Therefore, 0.75 is bigger than 7.32.

By the way, this is a property:
If $a \ \textgreater \ b$ , then $a \cdot c ~\ \textgreater \ ~ b\cdot c$

5 0

2 years ago

Read 2 more answers