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kkurt [141]
3 years ago
14

4x+c=w make x a subjectplz help me answer me fastand i want answer kn step by step​

Mathematics
2 answers:
mihalych1998 [28]3 years ago
6 0

Answer:

x =w-c/4

Step-by-step explanation:

solution

here,

4x+c=w

or, 4x=w-c

:.x=w- c/x

Allushta [10]3 years ago
5 0

Answer:

x= (w-c)/4

Step-by-step explanation:

Making a variable a subject is basically isolating it on one side. So in this case to make "x" a subject, we are just trying to get it alone on one side. You are solving for x.

1. Write the problem-----> 4x+c=w

2. Subtract "c" from both sides ------> 4x=w-c

3. Divide by 4 on both sides. You would need to divide (w-c) by 4 because the 4 has to apply to both variables!---------------> x=(w-c)/4

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A theater can hold 120 giants or 144 elves. If 90 giants are already inside, how many elves can also be admitted?
navik [9.2K]

Answer:

36

Step-by-step explanation:

make proportion giants to elves

120/144 = 90/x cross multiply

120x =144*90

120x =12960 divide by 120

x = 108

so if there are 90 giants in the theater there are  108 elves also

considering that total 144 elves can be  in the theater subtract 144 and 108 so 36 more elves can be admitted

3 0
3 years ago
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Explanation:

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3 years ago
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What transformations are needed to change the parent cosine function to y=3cos(10(x-pi))?
juin [17]

Answer:

The graph of y=cos(x) is:

*Stretched vertically by a factor of 3

*Compressed horizontally by a factor  \frac{1}{10}

*Moves horizontally \pi units to the rigth

The transformation is:

y=3f(10(x-\pi))

Step-by-step explanation:

If  the function y=cf(h(x+b))  represents the transformations made to the graph of y= f(x)  then, by definition:

If  0 then the graph is compressed vertically by a factor c.

If  |c| > 1 then the graph is stretched vertically by a factor c

If c  then the graph is reflected on the x axis.

If b> 0 The graph moves horizontally b units to the left

If b The graph moves horizontally b units to the rigth

If 0 the graph is stretched horizontally  by a factor \frac{1}{h}

If h> 1 the graph is compressed horizontally by a factor \frac{1}{h}

In this problem we have the function y=3cos(10(x-pi)) and our parent function is y = cos(x)

The transformation is:

y=3f(10(x-\pi))

Then c =3>1  and b =-\pi < 0 and h=10 > 1

Therefore the graph of y=cos(x) is:

Stretched vertically by a factor of 3.

Also as h=10 the graph is compressed horizontally by a factor  \frac{1}{10} .

Also, as b =-\pi < 0 The graph moves horizontally \pi units to the rigth

6 0
3 years ago
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