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GenaCL600 [577]
3 years ago
8

Four times a number is 84 what is the number

Mathematics
1 answer:
Elanso [62]3 years ago
8 0
21 because you can do 84 divided by 21 or you can also do 4 times any number that sounds like it would =84. (Stick with option 1 unless you are super confused)
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I've asked this question 3 times so plz answer
FrozenT [24]

Answer:

C

Step-by-step explanation:

It makes the equation false because the answer on one side is false.

2(-4) + 0 = -8(-4) - 0 = -4

-8 + 0 = 32 - 0 = -4

-8 = 32 = -4

-8 does not equal 32. The equation is unbalanced.

So, the answer will be C) The ordered pair (−4, 0) is not a solution to the system because it makes at least one of the equations false.

Hope this helps

-Amelia

6 0
3 years ago
What is the equation of the line, in general form, that passes through the point (1, 1) and has a y-intercept of 2.
spin [16.1K]
Y - 1 = m(x - 1) . . . (1)
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Substituting for m in (1), we have:
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Equation of a line in general form is given by ax + by = c

From (3), y - 1 = -x + 1
x + y = 1 + 1

Therefore, required equation is x + y = 2.
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3 years ago
Simplify the expression (sqrt 3 + i) (sqrt 3 - i) and write the result in the form a + bi.
Keith_Richards [23]

Answer:

Answer is D

Step-by-step explanation:

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Seven more than the product of twenty eight and thirty one
Mariulka [41]
The equation should look like this: (28*31)+7= 875

Unless i've completely misunderstood the basis of the equation. 
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Answer:

ang E                 alternate angles

and D                 alternate angles

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Step-by-step explanation:

7 0
3 years ago
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