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aleksklad [387]
2 years ago
14

Quiz Normal Distribution

Mathematics
2 answers:
nadya68 [22]2 years ago
7 0

Answer:

b

Step-by-step explanation:

cause its 7

i know also cause it what i do im a math teacher at k12 online school

Romashka-Z-Leto [24]2 years ago
7 0
I’m saying B from my POV
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What is 4/14 simplified
Serggg [28]

2/7 is the simplification form
8 0
3 years ago
Read 2 more answers
I'm really confused about this question about Solving Systems by Elimination
velikii [3]

Answer:

x=10

y=2

Step-by-step explanation:

1)add the equations and find what x is.

x-y=8

+x+y=12

—————

2x=20

— —

2 2

x=10

3)fill in x for the second equation.

x+y=12

since x=10,replace x with 10.

10+y=12.

subtract 19 from both sides.

10+y=12

-10 -10

—————-

y=2

4 0
3 years ago
NEED HELP ASAP!!!
svet-max [94.6K]

Answer:

The answer is 44!

Step-by-step explanation:

npp, yw!!! hahaha thank me later okay??

love that more me ahaha! np btw ofc!

6 0
3 years ago
Read 2 more answers
Please help me! What is x and y? Thank you!
Ivahew [28]

Answer:

x=3. y=6

Step-by-step explanation:

So, to solve x and y, we need to take the equivelent sides of the two triangles, take their equations, and solve them.

So to find what x equals, we can take the 13, and make it equal to the 4x+1:

13=4x+1

Subtract the one from both sides:

12=4x

Divide both sides by 4:

3=x

Or

<u>x=3</u>

So we know the x value is 3.

Now lets solve for y using the bottom equations:

2x+y=8x-2y

Subtract 1y from both sides:

2x=8x-3y

Subtract 8x from both sides:

-6x=-3y

Divide both sides by -6:

x=1/2y

So we already know that x=3, lets plug that in for x, and solve for y:

3=1/2y

Or

1/2y=3

Multiply both sides by 2 to get 1y:

<u>y=6</u>

So we know that y is equal to 6.

Hope this helps!

7 0
3 years ago
What is the next number is the pattern ?
Lena [83]

18

81 but not sure

25

11

20000

90

6

Am I right?

6 0
3 years ago
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