Find an equivalent expression for the given expression: 36x + 24

Mathematics

1 answer:

charle [14.2K]3 years ago

6 0

The answer is 4(9x + 8)

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How many solutions does y=-3/2x+5 and y=-3/2x-3 have

gavmur [86]

Answer:

No solution

Step-by-step explanation:

These are parallel lines, which never meet. Therefore, there is no solution.

5 0

3 years ago

The lines 2x=ky+2 and (k+1)x=6y-3 have same gradient. Find possible values of k

faust18 [17]

Answer:

k = 3 or k = -4

(Anyone can correct me if I'm wrong)

Step-by-step explanation:

$2x=ky+2\to\ eq1\\(k+1)x=6y-3\to\ eq2\\$Change to this form: $y=mx+c\\ky=2x-2\\y=\frac{2x-2}{k}\\$gradient of eq1: $\frac{2}{k}\\6y=(k+1)x+3\\y=\frac{(k+1)x+3}{6}\\y=\frac{k+1}{6} x+\frac{3}{6}\\y= \frac{k+1}{6} x+\frac{1}{2}\\$gradient of eq1: $\frac{k+1}{6}\\$Since gradient, m, is the same for both lines,$\\\frac{2}{k}=\frac{k+1}{6}\\12=k^{2}+k\\k^{2}+k-12=0\\(k-3)(k+4)=0\\k=3 $ or $ k=-4$

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3 years ago

Work out the difference between 38.3 and 1.72

Bumek [7]

Answer:

36.58

Step-by-step explanation:

38.3-1.72=36.58

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3 years ago

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In a recent year, team 1 made 191 out of 238 free- throw attempts and team 2 made 106 out of 160 free- throw attempts. Copy and

ivann1987 [24]

Cross multiply and divide Put 191 over 238 (like a fraction) the put another fraction bar right next to your first fraction and put 100 on bottom (this equals a whole in % and it's right across from the total of 238 free throws) then multiply 191 by 100 then divide by 238 and that answer should be your the percent you need.

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3 years ago

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(-1/2)^3 divided by (1/4)^5

lesya [120]

Answer:

-128

Step-by-step explanation:

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3 years ago