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jarptica [38.1K]
3 years ago
12

HELP 1-6 ME PLEASE (35 POINTS)

Mathematics
1 answer:
makvit [3.9K]3 years ago
7 0
1. $1.90
5. $2.74
6. $2.25
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Solve the equation with the problem set {-28,-8,8,28} |10-x|=18
Elden [556K]

Answer:

{-8,28}

Step-by-step explanation:

|10-x|=18

The absolute value has two solutions, one positive and one negative.

10-x = 18   and 10-x = -18

Subtract 10 from each side

10-10-x = 18-10     10-10-x=-18-10

-x = 8                     -x = -28

Multiply each side by -1

x = -8                      x = 28

8 0
3 years ago
on dividing $200 between A and B such that twice of A's share is less than 3 times than B's share by $20
Wittaler [7]

Answer:

Share of A is $116 and Share of B is $84.

Step-by-step explanation:

Let the share of A be x

Let the share of B be y

Given:

$200 is shared between A and B

So, x+y =\$200\ \ \ \ equation \ 1

Also given;

twice of A's share is less than 3 times than B's share by $20

2x= 3y -20\\2x-3y = -20 \ \ \ \ equation \ 2

Solution:

Now multiplying equation 1 by 3 we get,

3x+3y=600 \ \ \ \ equation \ 3

Now Adding equation 2 and equation 3 we get

(2x-3y = -20)+ (3x+3y=600)\\5x=580\\\\x=\frac{580}{5}=\$116

Now Substituting the value of x in equation 1 we get,

x+y=200\\116+y=200\\y=200-116 = \$84

Hence, Share of A is $116 and Share of B is $84.

8 0
3 years ago
Which number line shows the solution to this compound inequality?
lisov135 [29]

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Marizza181 [45]

Answer:

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Step-by-step explanation:

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