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enot [183]
4 years ago
5

Solve y = 7x-3w for x

Mathematics
2 answers:
lorasvet [3.4K]4 years ago
3 0
Y=7x-3w
y+3w=7x
y+3w/7=x
valentinak56 [21]4 years ago
3 0

Answer:

x=\frac{y+3w}{7}

Step-by-step explanation:

The given equation is

y=7x-3w

We need to solve this equation for x.

Isolate variable x to solve this equation for x.

Add 3w on both sides.

y+3w=7x-3w+3w

y+3w=7x

Divide both sides by 7.

\frac{y+3w}{7}=\frac{7x}{7}

Cancel out common factors.

\frac{y+3w}{7}=x

Interchange the sides.

x=\frac{y+3w}{7}

Therefore, the formula for x is x=\frac{y+3w}{7}.

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1/5(x + 0.5) + 5.24 = 3/2x + 7/10(x + 2.2)<br> Solve for x
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3 years ago
Can someone pls help me?
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I believe the answer is AD=7.0
4 0
3 years ago
1.) A projectile launched straight up into the air with an initial velocity of 20 meters per second from a height of 10 meters.
Dafna1 [17]
Hello,

I have just answered the question


gravity on earth :g=9.81 m/s²

h(t)=-\frac{g*t^2}{2}+v_{0}*t+h_{0}
9.81/2≈4.9
v_{0}\ is\ initial\ speed
h_{0}\ is\ initial\ height

Answer 1


2)
h(t)=-4.9*t²+20*t+10

To hit the ground ht(t)=0
==> -4.9*t²+20*t+10=0
Δ=20²+4*4*10=560=23,6643...²

t=(-20-4√35)/(-4.9*2)=4,4555...(s)

t=(-20+4√35)/(-2*4.9)=-0,37391... to exclude (time must be >0)









4 0
3 years ago
At a swimming pool the ratio of thoseing weraing sunscreen to those who are not wearing sunscreen was 7 to 5 if the number of pe
lbvjy [14]

Answer:

wearing to not wearing= 7:5

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x=6

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Answer is 42

Step-by-step explanation:

5 0
3 years ago
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