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3 years ago

6

A mother is 3 times as old as her daughter.In 12 years time she will be twice as old as her daughter will be then. How old is th

e mother now?

2 answers:

andrezito [222]3 years ago

8 0

Answer:

<em>The mother will be 36.</em>

Step-by-step explanation:

Novay_Z [31]3 years ago

6 0

Answer:

36

Step-by-step explanation:

just multiply 12 and 3

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Answer:

a c

Step-by-step explanation:

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3 years ago

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What value of x makes this equation true?<br> 5-2(x + 8) = 6x + 7

zhuklara [117]

Answer:

x = negative 9/4

Step-by-step explanation:

-2x-11=6x+7

-2x-11+11=6x+7+11

-2x=6x+18

-2x-6x=6x+18-6x

-8x=18

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3 years ago

Order of operations 8x18/4+15

sweet-ann [11.9K]

Answer:

8×18=144

4±15=19

144÷19

7.579 answer

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2 years ago

Find the distance between each pair of parallel lines with the guven equation y=2x+7 y=2x-3

Doss [256]

Answer:

10

Step-by-step explanation:

The y-intercept for each line is...

y=2x+7 (0, 7)

y=2x-3 (0, -3)

Note this is because...

y=mx+b

b represents the y-intercept

Using the distance formula...

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2$

$d=\sqrt{(0-0)^2+(7-(-3))^2$

$d=\sqrt{0+(10)^2$

$d=\sqrt{0+100}$

$d=\sqrt{100}$

$d=10$

4 0

2 years ago

Find AC.<br> Round to the nearest tenth.<br> B<br> 86°<br> 16<br> С<br> 11<br> A

Vadim26 [7]

Answer:

19.4

Step-by-step explanation:

16^2+11^2=377

then square 377 which will equal to

19.416 which can be rounded up to 19.4

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3 years ago