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3 years ago

5

What is the solution of the equation 3/4x+5=-9

1 answer:

riadik2000 [5.3K]3 years ago

8 0

Answer:

x=10.5

Step-by-step explanation:

3/4x=-14

x=10.5

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Mike recorded the temperatures 0°, 28°, −10°, 15°, and −19°. Which set shows the temperatures, in degrees Fahrenheit, in order f

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Well, negatives are less than zero, and the greater the number the less it is, or in this case colder, so we know that the first two are -19, and -10, then comes 0, and increases from there. So, the answer would be B. (-19, -10, 0, 15, 28)

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3 years ago

Find the range of the line

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Step-by-step explanation:

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What is reciprocal of the fraction in the equation 3/5(2x+8)=18?

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2 years ago

A triangle has sides with lengths of 8 inches, 15 inches, and 17 inches. Is it a right triangle?

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Step-by-step explanation:

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3 years ago

Read 2 more answers

For the following system, if you isolated x in the first equation to use the substitution method, what expression would you subs

alekssr [168]

Answer:

$x=2y+6$

Step-by-step explanation:

So we have the system:

$-x+2y=-6\\3x+y=8$

If we isolate the x-variable in the first equation:

$-x+2y=-6$

Subtract 2y from both sides:

$-x=-6-2y$

Divide both sides by -1:

$x=2y+6$

Therefore, we would substitute the above into the second equation:

$3x+y=8\\3(2y+6)+y=8$

The answer is 2y+6

Further notes:

To solve for the system, distribute:

$6y+18+y=8$

Simplify:

$7y+18=8$

Subtract:

$7y=-10$

Divide:

$y=-10/7\approx-1.4286$

Now, substitute this value back into the isolated equation:

$x=2(-10/7)+6\\x=-20/7+42/7\\x=22/7\approx3.1429$

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3 years ago

Read 2 more answers