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posledela
3 years ago
7

What is the slope and y-intercept of this line?

Mathematics
2 answers:
vitfil [10]3 years ago
7 0

Answer:

C

Step-by-step explanation:

y=mx+b

b= y-intercept

m=slope

m=-3

b=9

Thepotemich [5.8K]3 years ago
5 0

            \huge\boxed{Slope=-3,\;Y\;intercept=9.}

___________________________________________________________

                                             \boxed{Explanation}

<u><em>y=mx+b.</em></u>

<em />

<em>m is always where the slope is located.</em>

<em />

<em>b is always where the y intercept is located.</em>

<em />

<em>Therefore, since -3 is located at m that is the slope and 9 is located at b so that is the y intercept.</em>

<em></em>

<em />

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Solve for the area of the combined shape
ludmilkaskok [199]

Answer:

47 cm²

Step-by-step explanation:

3(9 - 4) + 8 × 4 = 15 + 32 = 47

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3 years ago
The sum of a two digit number and the number obtained by interchanging the digits is 132. If the two digits differ by 2, find th
damaskus [11]

Answer:

A two-digit number can be written as:

a*10 + b*1

Where a and b are single-digit numbers, and a ≠ 0.

We know that:

"The sum of a two-digit number and the number obtained by interchanging the digits is 132."

then:

a*10 + b*1 + (b*10 + a*1) = 132

And we also know that the digits differ by 2.

then:

a = b + 2

or

a =  b - 2

So let's solve this:

We start with the equation:

a*10 + b*1 + (b*10 + a*1) = 132

(a*10 + a) + (b*10 + b) = 132

a*11 + b*11 = 132

(a + b)*11 = 132

(a + b) = 132/11 = 12

Then:

a + b = 12

And remember that:

a = b + 2

or

a = b - 2

Then if we select the first one, we get:

a + b = 12

(b + 2) + b = 12

2*b + 2 = 12

2*b = 12 -2 = 10

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then a = b + 2= 5 + 2 = 7

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And if we selected:

a = b - 2, we would get the number 57.

Both are valid solutions because we are changing the order of the digits, so is the same:

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6 0
3 years ago
What is the Volume?
Serhud [2]

Answer:

703.36

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the formula is v=b×h×pi

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stiv31 [10]

Answer:

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To find the percent of change, which in this case is a percent increase, take the change amount and divide by the original, then convert to a percent.

Subtract to find the change.

87 - 60 is 27.

27 is the amount of change.

change/original

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Times by 100 to change to a percent.

.45 × 100

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8 0
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Is This Substitution?

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