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a_sh-v [17]
3 years ago
7

what is the expression, equation, or inequality using x as your variable: The product of a number and its opposite, increased by

seven
Mathematics
1 answer:
olchik [2.2K]3 years ago
7 0
x\cdot (-x)+7
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|x|+5=18 a. 5 or -5 b.13 or -13 c.18 or -18 d.23 -23
dezoksy [38]
X+5=18
first get rid of the 5
so X+5-5=18-5
which makes X=13
if any questions please ask
b. 13
6 0
3 years ago
Marcus wants to make a stone walkway in his garden. The rectangular walkway will be 3 feet wide and 21 feet long. Each 2-foot by
nexus9112 [7]

Answer:

i believe the answer is 9

Step-by-step explanation:

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2 years ago
Solve for x. Round to the nearest tenth, if necessary.
nadya68 [22]

Answer:

x = 0.8

Step-by-step explanation:

For this problem we will be using trigonometry :

6 0
2 years ago
Tamara says that raising the number i to any integer power results in either -1 or 1 as the result, since i^2 = -1. Do you agree
Roman55 [17]
I agree only if you have even powers -- even negative ones.

1/i^2 = 1/-1 = - 1
i^0 also gives 1 So far no problem.

It is when you consider the odd numbers that you don't get 1 or -1 
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i^(4n + 1) =  i
i^(4n - 1) = -i

5 0
3 years ago
Select all the statements that can be used as steps to solve the equation 6[4(2x−1)]=80−8 .
Virty [35]
<span>The only statement that I can found in that problem is
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</span>
3 0
3 years ago
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