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svet-max [94.6K]
4 years ago
14

What is the y-intercept of the line described by the equation below? y = 7x + 4

Mathematics
1 answer:
zlopas [31]4 years ago
8 0

Answer:

The y-intercept is 4

Step-by-step explanation:

y=mx+b

m=the slope

b=the y-intercept

Hope this helps .-.

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Simplify fraction for 10/25
natulia [17]


2/5

5 goes into 10 2 times and into 25 5 times

5 0
3 years ago
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What is the solution to the system of equations? Use the substitution method. {y=−2x+53x−4y=2 Enter your answer in the boxes.
Jet001 [13]
We have the following system:
 y = -2x + 5
 3x-4y = 2
 Substituting y in equation 2 we have:
 3x-4 (-2x + 5) = 2
 We clear x:
 3x + 8x - 20 = 2
 11x = 2 + 20
 x = 22/11
 x = 2
 Then, we substitute x = 2 in equation 1:
 y = -2 (2) +5
 y = -4 + 5
 y = 1
 Answer:
 
The solution to the system of equations is:
 
x = 2
 
y = 1
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4 years ago
(01.02 LC)Which of the following describes a function of a satellite? Helps scientists track weather Measures latitude and longi
Lana71 [14]

Answer:

A. Helps scientists track weather

Step-by-step explanation:

Have you seen those weather guys on TV showing clouds and stuff, they got them via satellite or at least if there are animations, those are possible because they can see what the clouds or other stuff look like via satellites.

4 0
3 years ago
-3 (12-m) = -1 (m-8)
Alisiya [41]
First, rewrite the equation, separating the terms inside the parentheses and multiplying each by the term preceding the parenthesis, remembering that the product of two negatives is a positive, and likewise (later) with quotients:

(-3 * 12) + (-3 * (-m)) = (-1 * m) + (-1 * (-8))

-36 + 3m = -m + 8

Subtract 8 from both sides:

(-36 - 8) + 3m = -m + (8 - 8)
-44 + 3m = -m

Divide each term by -m:

(-44 / (-m)) + (3m / (-m)) = -m / (-m)
(44 / m) - 3 = 1

Add 3 to both sides:

(44 / m) - 3 + 3 = 1 + 3
44 / m = 4
(is the answer jumping out at you yet?) :-)

Multiply both sides by m:

(44 / m) * m = 4m
44 = 4m

Divide both sides by 4:

44 / 4 = m
11 = m

Verify by substituting for m in the original equation:

-3(12 - m) = -1(m - 8)
-3(12 - 11) = -1(11 - 8)
-3(1) = -1(3)
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Voila! That's it!
5 0
3 years ago
The diffence between a number x and 13 is 18
alexdok [17]
18+ 13 gives you 31 so the difference between 13 and 31 is 18.

the answer is 31
4 0
3 years ago
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