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Semenov [28]
3 years ago
15

-2|x|=20 Solve for x

Mathematics
2 answers:
jok3333 [9.3K]3 years ago
7 0
Answer: x=5, -5

Explanation:
-2|x| =20
|x| = 10
x=5 x=-5
Dmitriy789 [7]3 years ago
6 0

Answer:

that is an unknown equation

Step-by-step explanation:

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CAN SOMEONE PLEASE HELP ME FIND THE AREA OF THIS SHAPE AND SHOW WORK 20 POINTS!!!
Effectus [21]

Answer:

10 units

Step-by-step explanation:

Area of smaller ∆ ,

= 1/2 * 2 * 2 = 2 u

Area of larger ∆ ,

= 1/2 * 4 * 4 = 8u

Total area = 8u + 2u = 10 units

3 0
3 years ago
Solve for x:
Sonja [21]
\frac{2x}{5} + 1 =  \frac{1}{15}

---------------------------------------------------------
Take away 1 from both sides
---------------------------------------------------------
\frac{2x}{5}  =  \frac{1}{15} - 1

---------------------------------------------------------
Evaluate the value on the right
---------------------------------------------------------
\frac{2x}{5}  = - \frac{14}{15}

----------------------------------------------------------
Multiply by 15 on both side
---------------------------------------------------------
 \frac{2x}{5} \times 15 = - \frac{14}{15}  \times 15

---------------------------------------------------------
Evaluate 
---------------------------------------------------------
6x = -14

---------------------------------------------------------
Divide by 6 on both sides
---------------------------------------------------------
x = - \frac{14}{6}

---------------------------------------------------------
Simplify
---------------------------------------------------------
x = - \frac{7}{3}

Answer \: x = - \frac{14}{6} \ or - \frac{7}{3}
3 0
3 years ago
I need help with these 2 questions
tensa zangetsu [6.8K]
Number 1 would the last option, but I’m not sure about number 2
7 0
3 years ago
This data gives the average number of hours of exercise each week for different students.
vazorg [7]

Answer:

                                       X

                                       X             X

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 X    X    X              X     X             X

3.3  3.4  3.5  3.6  3.7  3.8  3.9  4.0

I believe that this is the answer

7 0
3 years ago
21 pounds of tomatoes cost $31.50. How many pounds of tomatoes can you get for $45?
ololo11 [35]

Answer:

30 pounds

Step-by-step explanation:

create a proportion and cross-multiply to solve

let x = $45 worth of tomatoes, in pounds

21 / 31.5 = x / 45

31.5x = 945

x = 30

3 0
3 years ago
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