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mamaluj [8]
2 years ago
8

represents a line that passes through (3, –2) with a slope of negative StartFraction 4 Over 5 EndFraction?

Mathematics
1 answer:
erik [133]2 years ago
6 0

Answer:

y =  \frac{4}{5} x -  \frac{22}{5}

Step-by-step explanation:

y = mx + b

- 2 =  \frac{4}{5} (3)  + b \\  - 2 =  \frac{12}{5}  + b \\  - 2 -  \frac{12}{5}  = b \\   - \frac{10}{5}  -  \frac{12}{5}  = b \\  -  \frac{22}{5}  = b

Therefore, the equation of the line that goes through point (3, -2)and has slope ⅘ is

y =  \frac{4}{5} x  -  \frac{22}{5}

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Available is 23 cm taller than Olivia is half the height of Luca. If lucas is 1.77m tall, how tall are available and Olivia? Exp
Elden [556K]

Answer:

available is 111.5cm tall and Olivia is 88.5cm

Step-by-step explanation:

ok so Olivia is half the height of Luca which means the height of Luca divided by 2

177÷2=88.5

so Olivia is 88.5cm tall

we know that Available is 23cm taller than Olivia which means

the height Available= the height of Olivia+ 23cm

=88.5+23

=111.5

so Available is 111.5cm tall

5 0
2 years ago
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A random sample of 30 seventh grade students shows that 12 of them own a dog. How many seventh grade students can you predict ow
ArbitrLikvidat [17]

Answer:

160

Step-by-step explanation:

If out of 30 7th graders, 12 own a dog then when you have 400 of them, 160 will have a dog as well.

The way I did this was by 400/30: which was 13.3 repeating. I then mutliplied this number by 12, to find the final answer of 160.

4 0
3 years ago
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Please help. Just put the coords as the answer.
Julli [10]

Answer:

If you were look for the cords for the blue one. It will be (-5,4) for O (-2,1) for W and (-7,-3) for N

If it was for the Green one. It will be (-5,-2) for 'O (-1,-2) for 'W and (-5,-7) for 'N

Hope This Helped

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2 years ago
The ratio of red counters to blue counters is 1 : 3
jolli1 [7]

Answer:

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Step-by-step explanation:

6 0
3 years ago
What is the solution to the system of equation<br> -7x-2y=-13<br> X-2y=11<br> Using substitution
Gnom [1K]
        -7x - 2y = -13
-7x + 7x - 2y = 7x - 13
               -2y = 7x - 13
                -2         -2
                 y = -3.5x + 6.5

                      x - 2y = 11
    x - 2(-3.5x + 6.5) = 11
x - 2(-3.5x) - 2(6.5) = 11
             x + 7x - 13 = 11
                   8x - 13 = 11
                       + 13 + 13
                          8x = 24
                           8      8
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y = -3.5x + 6.5
y = -3.5(3) + 6.5
y = -10.5 + 6.5
y = -4
(x, y) = (3, -4)
8 0
3 years ago
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