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2 years ago

Pleaseee helppp meeeeee

Mathematics

1 answer:

Alinara [238K]2 years ago

3 0

I think its either A or C. Leaning more to A. Do you think you could explain the question just a bit more?

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Solving systems of equations using substitution y=2x Y=-2x-4 X= Y=

podryga [215]

Answer:

hope this helps

Step-by-step explanation:

y=2x

y=-2x-4

2x+2x=-4 (grouping like terms)

4x=-4

x=-1

im sorry but im not sure what y is

6 0

2 years ago

Ramesh buys 10 containers of juice from one shop and 18 containers of the same juice

MrRa [10]

4200

Step-by-step explanation:

10 × 150 = 1500

18 × 150 = 2700

1500 + 2700 = 4200

6 0

3 years ago

If y varies inversely with the square of r, what is the constant of proportionality when y - 10 and 1 = 5?

Anvisha [2.4K]

Question:

If y varies inversely with the square of r, what is the constant of proportionality when y =10 and r = 5?

Answer:

The constant of proportionality is 250

Solution:

Given that,

y varies inversely with the square of r

Which means,

$y \propto \frac{1}{r^2}\\\\y = k \times \frac{1}{r^2}$

Where, "k" is constant of proportionality

Subtitute y = 10 and r = 5

$10 = k \times \frac{1}{5^2}\\\\10 = k \times \frac{1}{25}\\\\k = 10 \times 25\\\\k = 250$

Thus the constant of proportionality is 250

6 0

3 years ago

7f^2 + Fz= ????????????????????!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

netineya [11]

Answer:

7f/z

Step-by-step explanation:

mat h wAyz

6 0

3 years ago

It takes an farm 3 days to consume 1/5 of an apple at that rate in how many days will the ant farm consume 3 apples

KonstantinChe [14]

If 1/5 of an apple is consumed in three days, we would do 3 x 5, which would give us 15. That means it takes 15 days for the ant farm to consume 1 apple. Times that by three, and it takes an ant farm 45 days to consume 3 apples.

3 0

2 years ago