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damaskus [11]
3 years ago
8

For what valuels of x is the equation |4x + 2| = x + 8 TRUE?

Mathematics
1 answer:
dmitriy555 [2]3 years ago
5 0

Answer:

x=-2\quad \mathrm{or}\quad \:x=2

Step-by-step explanation:

|4x + 2| = x + 8 \\\\\mathrm{For\:each\:absolute\:find\:positive\:and\:negative\:intervals}\\\\\mathrm{Solve\:the\:inequality\:for\:each\:interval:}\\\\\mathrm{For\:}x

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A bag contains 16 blue marbles,8 green marbles and 12 red marbles. What is the ratio of blue to green to red marbles in its simp
blsea [12.9K]

Answer:

4:2:3

Step-by-step explanation:

16 blue marbles,8 green marbles and 12 red marbles.

Ratio of blue to green to red

blue:green:red

16:8:12

We can divide each term by 4

16/4:8/4:12/4

4:2:3

4 0
3 years ago
HELP PLEASE LOOK AT PICTURE
solniwko [45]

Answer:

It decreases.

Step-by-step explanation:

10 / d

Lets say that it was 10 / 40, which is 10 divided by 40, 0.25.

Now, it has increased to twice the amount of that.

1 / 80, 10 divided by 80, which is 0.125

So, it decreases.

4 0
3 years ago
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Find the constant of proportionality that creates a direct proportion between x and y,
Fofino [41]

Answer:

y=x

Step-by-step explanation:

Something that would create a direct proportionality is y=x because both of them are in an equation which means they are directly proportional

4 0
3 years ago
ASAP GUYS PLEASE I NEED UR HELP THIS IS SO HARD<br> Solve: 5 − 7 ( z + 1 ) = 7 ( − 9 − 3 z )
pantera1 [17]

Answer:

-\frac{61}{14}

Step-by-step explanation:

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We multiply the number in front of the bracket first, since that is multiplication.

--> 5 -7z -7 = -63 - 21z

--> -7z -2 = -63 - 21z

Now, we move all the z and all the numbers to each side.

--> -7z +21z = -63 +2

--> 14z = -61

--> z = -61/14

This cannot be simplified further, so z is -61/14.

6 0
2 years ago
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Sloan [31]
<span>Fractions which have the same denominator are called like fractions.
</span>The answer is B. 1⁄2 and 3⁄2
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3 years ago
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