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alina1380 [7]
3 years ago
8

What is the constant of varation for thid relationship xy= -16

Mathematics
1 answer:
Xelga [282]3 years ago
5 0
I think is a or c but i am not sure.
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What is the Value of x in the equation 2.5x + 10 = x-0.5 ?
marshall27 [118]

Answer: 7

Step-by-step explanation:

2.5x+10=x-0.5\\2.5x-x+10=-0.5\\1.5x=-0.5-10\\1.5x=-10.5\\x=\frac{10.5}{1.5}\\ x=7

7 0
3 years ago
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Please help me with this question
jeyben [28]

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3 years ago
(-4,-6) and (3,-7) find the distance between each pair of points
Vlad [161]

Answer:

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Step-by-step explanation:

distance between two points:

d = \sqrt{(x_{2}-x_{1})^{2}+ (y_{2}-y_{1})^{2}}

we have:

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so we have:

d =\sqrt{(3-(-4))^{2}+ (-7-(-6))^{2}}\\\\d =\sqrt{(7)^{2}+ (-1)^{2}}\\\\d = \sqrt{49+ 1}\\\\d=\sqrt{50}\\\\d=5\sqrt{2}

4 0
3 years ago
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Allen drove 90 miles in 2 and 1/4 hours at a constand speed, how many miles did he drive in one hour.
Bumek [7]
Use property of proportion:

miles           time (hs)
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    x                   1

x = 90 ÷ 2.25
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8 0
3 years ago
Gente me ajudem prfvv em matemática
Tasya [4]

Answer:

Step-by-step explanation:

Trace a linha de 8cm, daí você vai dividir ela no meio, ou seja, no 4. Aí é só contar 2 cm para cada lado, que vai ser o 1, as pontas vão ser o 2. Tendeu? Daí é só marcar os pontos no -3/7(~-2,3), 1,6, 7/5(1,4), -1 e 0

6 0
2 years ago
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