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garik1379 [7]
3 years ago
12

Which statements about square roots are true? Check all that apply.

Mathematics
2 answers:
saw5 [17]3 years ago
7 0

2. All positive numbers have two square roots.

4. ✔️49= 7 because 7(7) = 49.

5. ✔️25= 5 because 52= 25.


<u>*These are the correct ones.</u>

Marina86 [1]3 years ago
4 0
Bottom two are true
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7x + 1 by = 1/3<br> 2x + 2y = 28
sweet-ann [11.9K]
7x+1 = (1/3)
2x + 2y = 28

Systems of equations.
Solve equation with single variable first.
7x+1 = (1/3) , x = (-2/21)

Substitute the value of x in second equation and solve for y.
2(-2/21) + 2y = 28, y = (296/21)

I’m assuming that isn’t the correct answer because you wrote the first equation incorrectly.
7 0
3 years ago
here is a list of numbers: 12, 13, 19, 16 ,32, 15, 13.a)work out the range of the numbers in the list.b)work out the mean of the
ratelena [41]

Answer: Mean: 17.14                                                                                           Range: 20.

Step-by-step explanation: 12+13+13+15+16+19+32                             25+13+15+16+19+32                                                                                             38+15+16+19+32                                                                                               53+16+19+32                                                                                                         69+19+32                                                                                                               88+32                                                                                                                     120/7                                                                                                                     17.14                                                                                                                                                    

32-12                                                                                                                       20

6 0
3 years ago
In the year 1999, the surface elevation of Lake Powell was 3884 feet above sea level. In the year 2007, the surface elevation of
Lady bird [3.3K]
Is this like a cool fact or is there more
3 0
3 years ago
What is the value of x in the solution to the system of equations? 4x - 2y = 5 y = 3x - 1​
saw5 [17]

Answer:

X = 7

Step-by-step explanation:

Please mark brainliest.

4 0
3 years ago
Read 2 more answers
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Ymorist [56]
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