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spin [16.1K]
3 years ago
6

Plz help and answer all questions thx

Mathematics
1 answer:
ElenaW [278]3 years ago
7 0
I know b is James, Olivia, Feng, Carmela
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I need help with any of these please try to explain
Nana76 [90]
Its math just use a calculator or something
6 0
3 years ago
What are the solutions of the system? Solve by graphing. y=x^2-2x-1, y = -2
pychu [463]
I used desmos online.

(1,-2)
5 0
3 years ago
Maria ran 17 miles at an average speed of 5 miles per hour.
mel-nik [20]
I think this is what it's asking for...

a) 17 is the total amount ran
    5 is the number of miles
    x is the hours (which is unknown)
you have to find x. the problem says that there are 5 miles per hour so your x would go with your 5. the 17 stays on the opposite side of the =
    17=5x

b) to find the amount of time (x) just solve for x
17=5x   is your equation
you now have to isolate the x (do this by dividing 5 on both sides of the equation)
5/x= x alone
17/5=3.4
3.4=x
* remember that x is hours in this problem, so round if you need too

8 0
3 years ago
Simplify<br> √20 x √3 x √18<br><br> Answers <br> 6√10<br> 5√10<br> 6√30<br> 5√30
astraxan [27]

Answer:

the correct answer is 5√30

Step-by-step explanation:

√20= 2√5

√3=√3

√18= 3√2

2√5 x √3  x 3√2= 5√30

4 0
3 years ago
Find the value for x
Ludmilka [50]

Answer:

x=4

Step-by-step explanation:

The two angles together are complementary, which means they add up to 90 degrees

solving for x:

9x+4x+38=90

9x+4x=13x

13x+38=90

13x+38-38=90-38

13x=90-38

13x=52

x=4

hope this helps ^D^

3 0
3 years ago
Read 2 more answers
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