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mafiozo [28]
3 years ago
14

Solve for x:

Mathematics
1 answer:
barxatty [35]3 years ago
5 0

Answer: A

Step-by-step explanation:

4( 1 - x) + 2x = -3(x + 1)

4 - 4x + 2x = -3x - 3               Distribute numbers to paranthesis

4 - 2x = -3x - 3                       Add like terms

4 + x = -3                                Add 3x to both sides

x = -7                                       subtract 4 to both sides

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What makes the value n of the equation true -2n+1.8=3.2
Sonbull [250]
-2n + 1.8 = 3.2
Subtract 1.8 from both sides
-2n = 1.4
Divide both sides by -2
n = 1.4/-2 = 0.7/-1 = -0.7
n = -0.7

Check your work:
-2(-0.7) + 1.8 = 3.2
1.4 + 1.8 = 3.2
3.2 = 3.2


The answer is B. -0.7
5 0
3 years ago
√2 x √800 ( this makes it 20 characters)
marysya [2.9K]

Answer:

The correct answer would be 40

Step-by-step explanation:

To find two square roots being multiplied together, you can multiply the numbers beneath the symbol.

√2 x √800 = √1600

Now you can perform the square root operation.

√1600 = 40

7 0
3 years ago
Read 2 more answers
How do you do find a? And how can you tell if it is sin, cos, or tan?
xxMikexx [17]
30 60 90 triangle
ratio of short leg : hypo = x : 2x

given short leg x = 4 ft
so hypo a = 2x = 2 * 4 = 8

answer
a = 8 ft
----------------------------------------------
P.S.
if you need to do by using cos sin tan then
Cos (60) = Adj/Hypo = 4/a

a = 4/cos(60) as you know cos(60) = 1/2
so 
a  = 4 /(1/2 = 4 * 2/1 = 8

answer: a = 8 ft
6 0
3 years ago
Read 2 more answers
PLEASE HELP! HURRY! since its 2 questions, ILL GIVE MORE POINTS!
VARVARA [1.3K]

A. m = 0 || This is incorrect, because m being equal to 0 is a solution in and of itself.

B. m = m || This is incorrect, because m being equal to itself means that there are an infinite number of solutions.

C. 2m + 1 = m - 2 | m = -3 || This is incorrect, because m can be solved for and has a solution.

D. m + 4 = m - 4 | 4 = -4 || This is correct because 4 is not equal to -4, and thus there is no solution.

Hope this helps!! :)

6 0
4 years ago
2 Points
hichkok12 [17]

Answer: 345.02

Step-by-step explanation:

8 0
3 years ago
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