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garri49 [273]
3 years ago
9

2. Rewrite the following linear function in slope-intercept form: 0 = 10x+ 5y-20

Mathematics
1 answer:
sladkih [1.3K]3 years ago
8 0
Y = -2x - 20 pretty sure!
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What is an equation for the linear function whose graph contains the points (−1, −2) and (3, 10) ? Enter your answers in the box
RideAnS [48]

There are two ways to equate a straight line. We first have y=mx+b. Then, we have (y-y₁)=m(x-x₁). Both work fine and have similar variables, but the numbers are mixed around a bit. Your equation clearly shows the second form of equation. As our equation has x-x₁ on the right, we can notice that x+1 must mimic that, so x+1=(x-x₁). As x-(-1)=x+1, we can only assume that x is -1. Looking at the points given to us, y must be -2, so we have y-(-2)=y+2, so 2 fills in the leftmost open box. To find the slope, or m, we must take

\frac{(y_{1} -y_{2})}{(x_{1} -x_{2})} from points (x₁, y₁) and (x₂, y₂). It doesn't matter which point is (x₁, y₁) , but it matters that the y₁ corresponds to the x₁. Thus, we have our slope as \frac{-2-10}{-1-3} =\frac{-12}{-4} =3


Feel free to ask further questions, and Happy Halloween!


5 0
3 years ago
Read 2 more answers
-<br> Please can u help me
Elenna [48]

Answer:

a) 4cd^2

b) 3a^2b^3

Step-by-step explanation:

5 0
2 years ago
HELP keep saying im getting wrong<br><br>instruction find the perimeter of the polygon​
Ksju [112]

Answer:

perimeter = 50

Step-by-step explanation:

Tangents to a circle from an external point are congruent , then

perimeter = (8 + 8) + (10 + 10) + (7 + 7) = 16 + 20 + 14 = 50

7 0
2 years ago
Which is 196 written as a power of a number?<br><br> A) 98^2<br> B) 13^2<br> C) 49^4<br> D) 14^2
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Its not A. because , 98^2 = 9,604
Its not B. because , 13^2 = 169
Its for sure not C. because, 49^4 = 5,764,801
It is most likey, D. because 14^2 = 196
Option: D 14^2 would most likely be your answer

Reason , because 14(14) = 196 = 14^2


☺

3 0
3 years ago
the circumference of the great circle of a sphere is 12 pi inches. Which of the following expressions can be used to approximate
andriy [413]
It would be A because with volume you would have your 12 to the 3rd power then multiply it by pie which is 3.14 then for sphere you would then multiply what ever you got after multiplying 12 to the 3rd power then by 3.14 to the 4/3
4 0
3 years ago
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