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Elina [12.6K]
3 years ago
14

Please help me on 17-18! I have no clue on what to do on the problems at hand.

Mathematics
1 answer:
nika2105 [10]3 years ago
7 0

If you would have to graph x=7, you probably know that this is a vertical line at, well, x=7.

| x | = 7 is nothing more than two vertical lines, namely x=7 or x=-7, as you already wrote down.

| x | = -8 has no (real) solutions, so there is nothing to graph.

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Need Help Please!!!!
denis-greek [22]

Answer:

4ab and 3ab

Step-by-step explanation:

4<em>ab</em> and 3<em>ab</em> because they have the same variables <em>a</em> and <em>b</em>

4 0
2 years ago
When is the estimation of products a useful tool?
Nadya [2.5K]
When the numbers are either too big, or you just want a close product. Such as 1370 and 1547. Round to the nearest number then add to the other.
3 0
3 years ago
winnie wrote the following riddle i am a number between 60 and 100 my ones digit is two less than my tens digits im a prime numb
Lina20 [59]
<span>The answer is that 79 IS NOT correct because the riddle says "my ones digit is 2 LESS than my tens digit.." and 79 has 7 in tens and 9 in ones which means the ones digit is 2 MORE than the tens digit.

To solve 
x has to be more than 60 and less than 100
the primes between those are 61,67,71,73,79,83, 89, 97
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8 0
3 years ago
Read 2 more answers
The sum of two consecutive odd integers is 56
IrinaVladis [17]
X+x+2= 56 2x=54 The answer is 27 and 29
6 0
3 years ago
Solve the following systems of equations 2a+4b+c=5 ; a-4b=-6 ; 2b+c=7.
SOVA2 [1]

Answer:

a = -2

b = 1

c = 5

Step-by-step explanation:

Given:

2a + 4b + c = 5 ............(1)

a - 4b = - 6

or

a = 4b - 6 .............(2)

2b + c = 7

or

c = 7 - 2b   ...........(3)

substituting 2 and 3 in  1, we get

2(4b - 6 ) + 4b + (7 - 2b) = 5

or

8b - 12 + 4b + 7 - 2b = 5

or

10b - 5 = 5

or

b = 1

substituting b in 2, we get

a = 4(1) - 6

or

a = -2

substituting b in 3, we get

c = 7 - 2(1)

or

c = 5

thus,

a = -2

b = 1

c = 5

8 0
2 years ago
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