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Law Incorporation [45]
3 years ago
11

Is -2 a solution of 2x+8=2?

Mathematics
2 answers:
serg [7]3 years ago
8 0

Answer:

2x+8=2

2x=2-8

2x= -6 (devide both sides by 2 to get x)

2x/2 and -6/2

×=3

Step-by-step explanation:

Katarina [22]3 years ago
7 0

Answer:2x+8=2

2x=2-8

2x= -6 (devide both sides by 2 to get x)

2x/2 and -6/2

×=3

Step-by-step explanation:

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X^2 + 3x - 4<br><br> please answer quickly! i will mark whoever answers first as brainliest &lt;3
vlabodo [156]

Answer:

(x-1) (x+4)

Step-by-step explanation:

Factor x^2+3x-4 using the AC method

4 0
3 years ago
A bag contains 3 red marbles, 2 blue marbles, and 5 green marbles. What is the probability of selecting a red marble, replacing
RUDIKE [14]

Answer:

3/20

Step-by-step explanation:

The total number of marbles is

3 red marbles+ 2 blue marbles+ 5 green marbles = 10 marbles

P(1st marble is red) = red marbles/total

                                =3/10

We replace the marble so there are still 10 marbles in the bag

P(2nd marble is green) = green marbles/total

                                =5/10 = 1/2

P(1st red, 2nd green) = P(1st marble is red) * P(2nd marble is green)

                                   =3/10 *1/2

                                    =3/20

8 0
3 years ago
You plant a tree that is 36 inches tall. After one year, the tree is 4343 inches tall. Which expression describes the percent of
Lera25 [3.4K]
Let x represent the percent of increase in the tree's height and let n represent the number of years.

x= n (36/4343)

Hope this helps!
3 0
3 years ago
Find the area of the triangle.
Step2247 [10]

Answer:

10units^2

Step-by-step explanation:

Unshaded Right Triangle

A=\frac{ab}{2} \\=\frac{4*2}{2} \\=4units^2

Whole Triangle

A=\frac{ab}{2} \\=\frac{4*7}{2}\\ =14units^2

Shaded triangle

14-4=10units^2

If you dont want as many steps, just calculate the triangle and dont worry about the right triangle the formula is

A=\frac{h_{b}b}{2} \\=\frac{4*5}{2}\\ =10units^2

8 0
3 years ago
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