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viktelen [127]
3 years ago
10

Find an equation for this line.

Mathematics
1 answer:
mestny [16]3 years ago
8 0

Answer:

y = -0.4x - 3

Step-by-step explanation:

Using the slope formula, y2-y1/x2-x1 we need to find two points. Luckily, we already have two points, (5, -5) and (-5, -1). Plugging in, we have -4/10, or -0.4. Since now we know m = -0.4, we need to find the y-intercept. We have it as -3. Now we get y = -0.4x - 3 as our equation.

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Solve for x. 3x+1/14=2x/8
Ludmilka [50]
It depends if it is
1. 3x+(1/14)=(2x)/8 or
2. (3x+1)/14=(2x)/8

if it is 1

1.
3x+(1/14)=2x/8
simplify 2x/8
2x/8=x/4
3x+(1/14)=x/4
find least common multiple of 14 and 4
factors of 14=2 and 7
factors of 4 are 2 and 2 so LCM=2 times 2 times 7=28
multiply both sides by 28
84x+2=7x
subtract 7x from both sides
77x+2=0
subtract 2 from both sides
77x=-2
divide both sides by 77
x=-2/77


2.
(3x+1)/14=2x/8
simpify 2x/8
2x/8=x/4
(3x+1)/14=x/4
find least common multiple of 14 and 4
factors of 14=2 and 7
factors of 4 are 2 and 2 so LCM=2 times 2 times 7=28
multiply both sides by 28
(2)(3x+1)=7x
distribute
6x+2=7x
subtract 6x from both sides
2=x

5 0
3 years ago
Sam says 90 ÷ (–9) = 10. Is he correct? Use the drop–down menus to explain your answer. Sam correct. Sam gave an example of a in
Ipatiy [6.2K]

Answer:

The answer is -10 because a negative plus a positive is negative

Answer is -10

Step-by-step explanation:

8 0
3 years ago
Pls show me proof, thank you
Karo-lina-s [1.5K]

The y has to be negative but the x positive. So that leaves only (3,-4)

4 0
3 years ago
Consider the right triangular prism given AC = 9 cm
Oduvanchick [21]

Answer:

1 3 4 5

Step-by-step explanation:

Bc

3 0
3 years ago
Read 2 more answers
A certain flight arrives on time 80 percent of the time. Suppose 132 flights are randomly selected. Use the normal approximation
kondaur [170]
D because 118 and 120 is even numbers
3 0
3 years ago
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