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sveta [45]
3 years ago
13

Question Progress

Mathematics
1 answer:
xeze [42]3 years ago
4 0

Answer:

y=5x

Step-by-step explanation:

y=kx since they're directly proportional

30=k(6)

K=5

So y=5x

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I WILL GIVE BRAINLIST
GrogVix [38]

Answer:

3,406.5 litres/hr

Step-by-step explanation:

The liquid is being poured at a rate of 15 gallons per minute.

1 minute = 1/60 hour

Thus, the rate can be written as:

15 gallons pet 1/60 hour

We are told that one gallon is approximately 3.785 liters.

Thus;

15 gallons = 15 × 3.785 litres = 56.775 litres.

Thus, the rate is;

56.775 litres per 1/60 hour

We want to find in litres/hr.

By proportion, we have it as;

(56.775 ÷ 1/60)/1 = 56.775 × 60 = 3,406.5 litres/hr

4 0
3 years ago
What is the area of a circle with a diameter of 25​
PtichkaEL [24]

Answer:

find using calculator:)

Step-by-step explanation:

pie X (25 divided by 2) X (25 divided by 2) = answer

4 0
2 years ago
Read 2 more answers
Please help thank you!
Akimi4 [234]
C. is the answer

.....
3 0
3 years ago
Please help me ASAP?!!
Blababa [14]

Answer:

(0,-5) and (-4,3)

Step-by-step explanation:

The given equations are

\left \{ {{x^2+y^2=25} \atop {2x+y=-5}} \right.

Make y the subject in the second equation;

y=-2x-5

Substitute into the first equation;

x^2+(-2x-5)^2=25

Expand:

x^2+4x^2+20x+25=25

x^2+4x^2+20x+25-25=0

5x^2+20x=0

5x(x+4)=0

\Rightarrow x=0,x=-4

When x=0,

y=-2(0)-5=-5

This gives; (0,-5)

When x=-4

y=-2(-4)-5=3

This gives (-4,3)

7 0
3 years ago
Read 2 more answers
What is the y value for the line that passes through (−2,3) and (0,8)
sp2606 [1]

Answer:

y=5x/2 + 9

Step-by-step explanation:

Check the above picture for workings

3 0
3 years ago
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