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leonid [27]
3 years ago
13

9. What is the decimal representation of 20?

Mathematics
1 answer:
RUDIKE [14]3 years ago
6 0

Answer: 0.2

Step-by-step explanation:

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Y=-1/2x +7
yarga [219]

Answer:

B; (2,-4)

Step-by-step explanation:

The general equation of a straight line is;

y = mx + b

where m is the slope and b is the y-intercept

So from the question, when we look at the given equation, its slope is -1/2

mathematically, when two lines are perpendicular, the product of their slopes is -1

thus;

m1 * m2 = -1

m2 * -1/2 = -1

-m2 = -2

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The general equation form is;

y-y1 = m(x-x1)

where (x1,y1) = (4,0)

y-0 = 2(x-4)

y = 2x - 8

So, now we look at the point that will work for this equation

For the line that will work, if we substitute its x-value, we get the y-value

Let us take a look at option B

y = 2(2) -8 = 4-8 = -4

we can see that (2,-4) works

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3 years ago
Rectangles ABCD and EFGH are similar. The perimeter of rectangle ABCD is 5 times greater than the perimeter of rectangle EFGH. W
yulyashka [42]
C.  Area of rectangle is A=L X W

If the length is 5 times bigger and the width is 5 times bigger, than the area is 25 times bigger
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A single die is rolled twice. The set of 36 equally likely outcomes is {(1, 1), (1, 2), (1, 3), (1, 4), (1, 5), (1, 6), (2, 1),
prisoha [69]
24/36 which simples down to 2/3 ever 2 in 3 roles
5 0
3 years ago
How can i find the área of a triangle? please help.​
Anni [7]

This is the area of a triangle

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Which is 9.5 expressed as a fraction in simplist form<br>A.19/2<br>B.46/5<br>C. 86/9<br>D.64/7​
WINSTONCH [101]

Answer:19/2

Step-by-step explanation:

19/2=9.5

Other are not in its very simplest form

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3 years ago
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