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tangare [24]
3 years ago
7

X(a-b)=b(c-x)make x the subject of the formular pls help meee​

Mathematics
1 answer:
dezoksy [38]3 years ago
6 0

Answer:

X(a - b) = b (c - x) : x = - -\frac{X\left(a-b\right)-bc}{b};\quad \:b\ne \:0

Step-by-step explanation:

X\left(a-b\right)=b\left(c-x\right)

Switch sides:

b\left(c-x\right)=X\left(a-b\right)

Divide both sides by; \:b\ne \:0

\frac{b\left(c-x\right)}{b}=\frac{X\left(a-b\right)}{b};\quad \:b\ne \:0

Simplify:

\frac{b\left(c-x\right)}{b}=\frac{X\left(a-b\right)}{b};\quad \:b\ne \:0

Subtract c from both sides:

c-x-c=\frac{X\left(a-b\right)}{b}-c;\quad \:b\ne \:0

Simplify:

-x=\frac{X\left(a-b\right)}{b}-c;\quad \:b\ne \:0

Divide both sides by -1;\quad \:b\ne \:0:

\frac{-x}{-1}=\frac{\frac{X\left(a-b\right)}{b}}{-1}-\frac{c}{-1};\quad \:b\ne \:0

Simplify:

x=-\frac{X\left(a-b\right)-bc}{b};\quad \:b\ne \:0

Hope I helped. If so, may I get brainliest and a thanks?

Thank you. Have a good day! =)

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Greg has four different colored cards in a box. Yellow, red, blue, and green. He randomly selects one card, records the color, a
Veronika [31]

Answer:

He should expect to select 75 yellow cards.

Step-by-step explanation:

Since there is replacement, for each trial, we have:

1 yellow card

1 red card

1 blue card

1 green card.

If Greg does this 300 times, how many yellow cards should he expect to select?

Each trial, there are 4 cards, one of which is yellow. So 1/4 = 0.25 probability of selecting a yellow card.

Over 300 trials

0.25*300 = 75

He should expect to select 75 yellow cards.

6 0
3 years ago
AC=8x–14 and EC=2x+11 find x
BaLLatris [955]
<h2>If AC = 8x-14 and EC = 2x +11, solve for x. %3D В A</h2>
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3 years ago
I need your help right now with a math problem. It says A new cruise ship line has just launched 3 new ships: the Pacific Paradi
Kobotan [32]

Answer: Caribbean Paradise=196

Pacific Paradise=167

Mediterranean Paradise=653

Let's break it down.

The Caribbean Paradise has 29 more rooms deluxe staterooms than the Pacific Paradise.

Let's make C= Caribbean Paradise and P= pacific Paradise

C=P+29

The Mediterranean Paradise has 15 fewer deluxe staterooms than four times the number of deluxe staterooms on the pacific paradise

M=Mediterranean Paradise

M=(4*P)-15

Find the number of deluxe staterooms for each of the ships if the total number of deluxe staterooms for the three ships is 1016

Okay so C+P+M=1016

So just combine the first two problems with the last

It changes into

(P+29)+P+M=1016

2P +29+M=1016

Then replace M

2P+29+4P-15=1016

Combine like terms

6P+14=1016

Then solve for P

6P+14(-14)=1016(-14)

6P=1002

6P/6=1002/6

P=167

Then plug in P=167 into your first two formulas

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C=(167)+29

C=196

M=(4*P)-15

M=(4*167)-15

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3 0
4 years ago
Given that f(x) = x2 – 13x + 40 and g(x) = x - 5, find f(x) = g(x) and
poizon [28]

Answer:

Step-by-step explanation:

f(x)=g(x)

x²-13x+40=x-5

x²-14x+45=0

3 0
3 years ago
Which expressions are equivalent to 2(2x + 4y + x − 2y)?
Sholpan [36]

Answer:

B

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2(x+2y)=2x+4y

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So option B is the correct answer

6 0
3 years ago
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