4 years ago

Is this a direct variation problem

Mathematics

1 answer:

Llana [10]4 years ago

6 0

Yes and for a. You can just put y=x [y=1x is bascually the same but just the 1 isnt needed]

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1/5x-2/3y=30 when y=15

dolphi86 [110]

Answer:

Step-by-step explanation:

Step 1: Set y to 15 and solve

$\frac{1}{5}x - \frac{2}{3}*15=30$

$\frac{1}{5}x-10=30$

Add 10 to both sides

$\frac{1}{5}x-10+10=30+10$

$\frac{1}{5}x=40$

Multiply both sides by 5

$\frac{1}{5}x*\frac{5}{1}=40*\frac{5}{1}$

$x=200$

Answer: $x=200$

5 0

3 years ago

You drive 230 miles on 8 gallons of gas at this rate how many miles will you get from 10 gallons??

Evgesh-ka [11]

Answer: 287.5

Step-by-step explanation: because 8 devided by 230 is 28.75 and 28.75 times 10 is 287.5

5 0

3 years ago

Can someone help me please !

elena55 [62]

The reference angle is
pi/3.

At 180 it would be 9pi/3 so going past that is 10pi/3.

7 0

3 years ago

Multistep measurement problems I need questions 6,7 & 8 hope you can help me !

Dimas [21]

6.
6 tons= 12,000 pounds
12,000-7,860= 4,140
so the answer is 4,140 pounds

7. 3 cups= 24 fluid ounces
40 - 24 = 16 fluid ounces
16 fluid ounces= 1 pint
so the answer is 1 pint left in the pitcher

8. 2.5 x 18= 45 feet
45 feet= 15 yards
so the answer is 15 yards

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3 years ago

The arc length is 15.5 inches, the theta to the nearest hundredth of a radian is?

dlinn [17]

The answer is 305 hundredth of a radian.

6 0

4 years ago