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aev [14]
3 years ago
14

Complete the steps to solve the inequality: 0.2(x + 20) – 3 > –7 – 6.2x Use the distributive property: Combine like terms: Us

e the addition property of inequality: Use the subtraction property of inequality: Use the division property of inequality:

Mathematics
2 answers:
Archy [21]3 years ago
7 0

Answer:

C

Step-by-step explanation:

just did it on edgenuity.

inna [77]3 years ago
4 0

Answer: Complete the steps to solve the inequality:

0.2(x + 20) – 3 > –7 – 6.2x

Use the distributive property:

Combine like terms:

Use the addition property of inequality:

Use the subtraction property of inequality:

Use the division property of inequalit

Step-by-step explanation:

im not ecplaining this the answer is below in the photo thx for answering it dumb person under me or above me idk

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\displaystyle\iint_S(x^2+y^2+z^2)\,\mathrm dS
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A crew of highway works paved 1/5 mile in 1/8 hour if they work at the same rate how much will they pave in one hour
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-23<br> Simplify your answer as much as possible.<br> =<br> X<br> ?
Murljashka [212]

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3 0
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3.2 as a fraction or mixed number in simplest form.
xxTIMURxx [149]

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7 0
3 years ago
Read 2 more answers
Given: ∠AOC, ∠BOC - complementary angles
34kurt

Answer:

  • 30
  • COB . . . . or . . . . BOC

Step-by-step explanation:

The reason given on the line of interest is "substitution," so the problem boils down to determining what was substituted for what. The previous statement says ...

  AOC + COB = 90

and the first part of the statement we're to complete has BOC + ___.

We see from the given statements that m∠AOC = m∠BOC + 30°, so it appears that is the substitution that has been made: AOC has been replaced by BOC + 30.

This means the first blank is filled with 30.

__

The second part of the previous statement is ...

  AOC + COB = 90

so we believe this (COB) should go in the second blank.

__

Then the line of interest would read ...

  BOC + 30 + COB = 90

_____

<em>Comment on the problem</em>

There is a curious mix of notations here. Usually, (as in the beginning of this problem) we refer to the measure of an angle using "m∠" in front of the angle designator, and we use a degree symbol to indicate the units of that measure. Part-way through the problem statement written here, those notations were dropped, and we're to assume they are intended. IMO, this is a poor way to demonstrate careful problem solving.

The substitution given for AOC is BOC+30, but the line into which that is substituted has AOC +COB = 90. This means the equation after substitution is ...

  BOC +30 +COB = 90

Since BOC and COB are the same angle, we can sort of fudge the "algebra" to get to  BOC=30, but if the problem were more carefully written, the angle would be referred to by consistent nomenclature:

  m∠AOC + m∠BOC = 90° . . . . . . . . . preferred angle designations

  (m∠BOC + 30°) + m∠BOC = 90° . . . . substitution for m∠AOC

  2(m∠BOC) = 60° . . . . . . algebra (subtract 30°, collect terms)

  m∠BOC = 30° . . . . . . . . algebra (divide by 2)

3 0
3 years ago
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