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4 years ago

8

For the equation -4y=8x, what is the constant variation

1 answer:

SSSSS [86.1K]4 years ago

7 0

I think the constant variation is -2 (8÷-4)

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Plz answer these i dont know them

Black_prince [1.1K]

Answer:

117, 55, 54, 77, 130, 7h + 5x, 14

Step-by-step explanation:

7 0

4 years ago

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Find the value of x that makes def ~ xyz<br>x=

Neporo4naja [7]

Answer:

x = 3.5

Step-by-step explanation:

$\triangle DEF \sim \triangle XYZ\\\\\therefore \frac{DE}{XY} =\frac{DF}{XZ} \\\\\therefore \frac{5}{7.5} =\frac{7}{3x} \\\\\therefore 3x = \frac{7.5\times 7}{5} \\\\\therefore x = \frac{7.5\times 7}{3\times 5} \\\\\therefore x = \frac{52.5\times 7}{15} \\\\\therefore x = 3.5$

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3 years ago

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Which fraction is equivalent to —(7/8)?

Nata [24]

The answer should be -14/16

4 0

3 years ago

How many integers between 1 and 40 are multiples of 3 and 7

Elis [28]

3 goes in to 40 13 times 7 goes in to 40 5 times but it is not 13+5 because you do not want to count 21 twice

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3 years ago

A jar contains 30 red marbles, 50 blue marbles, and 20 white marbles. You choose one marble from the jar at random. What is the

-BARSIC- [3]

The total number of marbles is 30+20+50= 100, so. Since there are 20 red marbles and 50 blue marbles. There are 30+50=80. 80/100=4/5= 80%

8 0

3 years ago

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