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Crazy boy [7]
2 years ago
8

Ryan ran 1 3/5 miles everyday for a week. How many miles did he run in all?

Mathematics
1 answer:
zheka24 [161]2 years ago
4 0

Answer:

11 1/5 miles

Step-by-step explanation:

1 3/5 miles multiplied by 7 is 11 1/5

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Please help due tmr I also have 2 more questions!
Marina CMI [18]

Answer:

17

Step-by-step explanation:

n = 17

n - 7 = 10

Carry over the - 7

n = 7 + 10

n = 17

6 0
2 years ago
Use quadratic regression to find
vovangra [49]

Answer:

y = 6x² -13x -5

Step-by-step explanation:

(1,-12) (2,-7) (5,80)

y = ax² + bx + c

-12 = a*1² + b*1 + c = a+b+c    (1)

-7 = 4a + 2b + c    (2)

80 = 25a + 5b + c   (3)

(2)-(1): 3a + b = 5    (4)

(3)-(2): 21a + 3b = 87   (5)

(4)*3:     9a + 3b = 15    (6)

(5)-(6):  12a = 72      a = 6

(4)                             b = -13

(2)                             c = -5

4 0
3 years ago
Which of the following describes how a lake might form?
jek_recluse [69]

Answer:

I think the answer is all of the above

6 0
3 years ago
An urn contains 5 white ball and 8 black balls. 4 balls are randomly selected.
larisa86 [58]

|\Omega|=13^4=28561\\ |A|=8^3\cdot5=2560\\\\ P(A)=\dfrac{2560}{28561}\approx9\%

5 0
3 years ago
Can someone define the word of an pre-image in math
d1i1m1o1n [39]

Answer:

The image before a transformation is performed.

Step-by-step explanation:

Hope it helps!

This means the image that was there before a translation, reflection, rotation, or dilation was performed.

4 0
1 year ago
Read 2 more answers
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