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uysha [10]
3 years ago
5

I need help. please answer.

Mathematics
1 answer:
lana66690 [7]3 years ago
7 0

Answer:

B

Step-by-step explanation:

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denpristay [2]

Answer:

x = 10, y = 0

Step-by-step explanation:

x + y = 10 ---> x = 10 - y

3x + 2y = 30

3 (10 - y) + 2y = 30

30 - 3y + 2y = 30

y = 0

x + 0 = 10

x = 10

3 0
3 years ago
What is the surface area?<br> 4 cm<br> 7 cm<br> 3 cm<br> square centimeters
vladimir1956 [14]
Ok so i would do 4x7x3 which equals 84
brainest:)
3 0
3 years ago
A number is randomly selected from {15, 16, 17, 18, 19, 20}. A is represented by the event that the number picked is less than o
Tatiana [17]
1/3
 the denonator is 6 because that is the number of numbers there are, and the numerator is 2 because there are 2 numbers less than or equal to 16. you can simplify
5 0
3 years ago
Read 2 more answers
13 add 2x equals 3 what does x equal??
Anastasy [175]
13 + 2x = 3
subtract 13 from both sides of the equation
2x = -10
divide by 2 on both sides 
x = -5
5 0
3 years ago
Read 2 more answers
Find the zeros or roots for the quadratic expression 2^2−8−10. Must show all work to receive credit
Sav [38]

Answer:

x = -1,5

Step-by-step explanation:

2x² - 8x - 10

2x² - 10x + 2x - 10

2x(x - 5) + 2(x - 5)

(x - 5)(2x + 2)

x = 5 x = -2/2

x = -1,5

5 0
3 years ago
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