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alisha [4.7K]
3 years ago
12

How to solve Y = eight, X =2 and direct variation

Mathematics
1 answer:
rodikova [14]3 years ago
5 0

Answer:

The answer is k = 4.

Step-by-step explanation:

Given:

Y = 8 and X = 2.

Now, to solve direct variation.

y direct with x.

Now, using equation to solve direct variation:

y=kx

8=k\times 2

Dividing both sides by 2 we get:

4=k.

Therefore, the answer is k = 4.

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Find the volume of a rectangular prism with dimensions 21 in. by 20 in. by 19 in., to the nearest hundredth cubic foot
Maurinko [17]

Answer:

The dimensions of a rectangular prism are 21 in. by 20 in. by 19 in.

To find:

The volume of the rectangular prism.

Solution:

Let the length, breadth and height are 21 in, 20 in and 19 in respectively.

Volume of the rectangular prism is

V=Length\times Breadth\times Height

V=21\times 20\times 19

V=7980

Therefore, the volume of the rectangular prism is 7980 cubic inches.

6 0
3 years ago
HELP HELP ILL GIVE BRAINLIEST PLS HELP ME
PolarNik [594]
50 km/h = 4 hours
60 km/h = x hours

50x = 60×4

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6 0
3 years ago
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A log splitter can split 6/5 cords of wood in 4/5 of an hour. Complete the unit rate by setting up a complex fraction and simpli
Digiron [165]

Answer:

1½ cords per hour

Step-by-step explanation:

A log splitter can split 6/5 cords of wood in 4/5 of an hour.

To find a unit rate, we divide the quantity of cords of wood by the time.

This gives us the complex fraction.

\frac{ \frac{6}{5} }{ \frac{4}{5} }

This is the same as

\frac{6}{5}  \div  \frac{4}{5}

To divide two fractions, we multiply by the reciprocal of the second fraction.

\frac{6}{5}   \times   \frac{5}{4}

\frac{3}{1}   \times   \frac{1}{2}

This simplifies to:

\frac{3}{2}  = 1 \frac{1}{2}

The unit rate is 1.5 cords per hour

3 0
2 years ago
2/3(12x+30)-12=0.4(15x+10)
nikdorinn [45]
Isolate the variable by dividing each side by factors that don’t contain variable.

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Hope this helps!
Have a great day!
7 0
3 years ago
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Please help I really need it thx!!
VashaNatasha [74]

Answer:

a- (0,6)

b- (2,8)

c- (6,7)

d- (3,4)

d- (5,2)

6 0
2 years ago
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