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Anna007 [38]
3 years ago
8

Select steps that could be used to solve the equation 1 + 3x = -x + 4.

Mathematics
2 answers:
eduard3 years ago
5 0
Does it have multiple correct answers?
ycow [4]3 years ago
4 0

The first one and the last one.

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Completing the Square: results in 2 solutions<br> x^2 + 3x = -2
mr Goodwill [35]
Add 2 to both sdies
now if we can facor, then if
xy=0 then x and/or y=0
note:xy=x times y and x(y) =x times y

x^2+3x+2=0
what 2 number multiply to get 2 and add to get 3
the numbers are 2 and 1
(x+2)(x+1)=0
set them to zero
x+2=0
subtract 2
x=-2


x+1=0
subtract 1
x=-1



x could be -1 or -2
x=-2, or -1
4 0
3 years ago
An observer 2.5 miles from the launch pad of a space shuttle measures the angle of elevation to the base of the shuttle to be 25
kotegsom [21]

Answer:

Height of shuttle at that instant  = 1.17 miles

Step-by-step explanation:

Refer the given figure.

C is the position of rocket and B is the position of observer.

Here we need to find AC, that is the height of shuttle at that instant.

Using trigonometric rules on ΔABC, we have

      tan25=\frac{AC}{AB} \\\\tan25=\frac{AC}{2.5}\\\\AC=2.5\times tan25\\\\AC=1.17miles

Height of shuttle at that instant = AC = 1.17 miles

5 0
3 years ago
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Vadim26 [7]
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carmen participated in a read-a-thon.MR.cole pledge $4.00 per book and gave carmen $44.00.How many books did carmen read
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Answer:

11 books

Step-by-step explanation:

because if she gets $4 per book and gets $44 in total then that means she has read 11 books because 4 times 11 is 44.

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Does the graph represent a function?<br> Yes or No
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Yes, the graph is a function because the lines do not overlap one another (vertical line test)

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8 0
2 years ago
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