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SVETLANKA909090 [29]
4 years ago
6

Below are the steps to solve an equation:

Mathematics
1 answer:
Ksju [112]4 years ago
8 0
The only answer is choice A) x-4 = -7

The rule is that if |x| = k, for some positive number k, then x = k or x = -k

Based on this rule, the absolute value equation
|x-4| = 7
breaks down into these two equations
x-4 = 7 or x-4 = -7
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The additional cost per month of a sunroof, spoiler and stereo is represented by three consecutive even integers, respectfully.
lesya [120]

Answer:

16

Step-by-step explanation:

First of all, I think it was "respectively", not "respecfully", =))). A noticeable point.

From the problem, three item's costs are represented by three consecutive even integer.

Thus, we can call cost of spoiler is x, sunroof is x-2, stereo is x + 2. It is conditioned that x is an even number.

Since the sum of the three is 48, we have

(x-2) + x + (x+2) = 48

x+x+x -2 +2 = 48

3x =48

x=16

So the spoiler is 16; thus, the sunroof is 14 and the stereo is 18

3 0
3 years ago
A quadrilateral is shown. One pair of opposite sides have lengths of 10 inches and (x + 2) inches. The other pair of opposite si
ziro4ka [17]

Step-by-step explanation:

Yes, one pair of opposite sides could measure 10 inches. and the other pair could measure 13 inches

3 0
3 years ago
Read 2 more answers
Brian, Chris, and Damien took a math test that had 20 questions. The number of questions Brian got right is 14 more than 1/4 the
Levart [38]
B = 1/4c + 14
d = 5/4c - 2
b = d

1/4c + 14 = 5/4c - 2 ....multiply by 4
c + 56 = 5c - 8
56 + 8 = 5c - c
64 = 4c
64/4 = c
16 = c <== Chris

b = 1/4c + 14.....b = 1/4(16) + 14.....b = 4 + 14....b = 18 <== Brian
d = 5/4c - 2....d = 5/4(16) - 2.....d = 20 - 2.....d = 18 <== Damien

solution : Brain and Damien answered 2 more questions correctly then Chris did. <===
7 0
3 years ago
Is 6 (7) + 2 (3²) = 60?​
sertanlavr [38]

Answer:

yes 6 (7) + 2 (3²) = 60

Step-by-step explanation:

60 = 60

3 0
3 years ago
Read 2 more answers
The cpi is currently 153. if a coffee maker costs $31.90 today, how much did one cost in 1983, to the nearest cent? a. $20.85 b.
kap26 [50]
<h3>The cpi is currently 153. if a coffee maker costs $31.90 today, how much did one cost in 1983, to the nearest cent? a. $20.85 b. $21.20 <u>c. $26.60</u> d. $48.81</h3>

its C

5 0
3 years ago
Read 2 more answers
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