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Fudgin [204]
3 years ago
14

Divide $70 into 1:2:4

Mathematics
1 answer:
irina1246 [14]3 years ago
5 0
$70 into 1:2:4

1+2+4 = 7
7 parts= $70
1 part  = $70/7 ($70 divided by 7)
1:2:4   = $10:$20:$40

answer= $10:$20:$40

Hope this helps!! :)
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At what point do the lines y= 2x + 3 and y = 5x - 9 intersect? ​
QveST [7]

Answer:

(4,11)

Step-by-step explanation:

y=2x+3

y=5x-9

the first equation is equal to the second equation so

2x+3=5x-9

put like terms together

2x-5x= -9-3

-3x= -12

divide both sides by -3

.•.x=4

now, use the value of x to find the value of y like this:

y=2x+3 (x=4)

y=2(4)+3

y=8+3

y=11

therefore, the two lines intersect at the point (4,11)

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3 years ago
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Express the form 1: n <br><br> 5:20
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。☆✼★ ━━━━━━━━━━━━━━  ☾  

5 : 20

Divide both sides by 5 to get the answer

5/5 = 1

20/5 = 4

Thus, the answer is 1 : 4

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Solve for x. −18 = −2/3 x
vredina [299]

Answer:

x = 27

Step-by-step explanation:

To isolate x, we can multiply it by the reciprocal of the fraction (-3/2). We do the same to the -18.

Through cross-multiplication, -18/1 x -3/2 simplifies into -9/1 x -3/1 (because 2 goes into 2 once and 2 goes into -18 -9 times).

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