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Ulleksa [173]
3 years ago
8

What is the correlation coefficient between the variables? Round to three decimal places. Enter your answer in the box. r≈ Age/Q

uiz Score 4/38 10/42 8/39 5/35 7 /42 9/45 6/40
Mathematics
1 answer:
mafiozo [28]3 years ago
6 0

The correct answer is 0.739 You are rounding to 3 decimal places not 4 :D

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Which shows 0.00234 written in scientific notation?
topjm [15]
It’s D


the reason why is because the multiplier must be between 1 and 10
(
1
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so first more your decimal there which you get:
2.34
then just count how many numbers the decimal jumped, if the decimal moved left the exponent is positive and if it moved right, as in your number, the exponent is negative

yours moved 3
6 0
1 year ago
Scott has a rope 8 metres long. He says, “I need 9 pieces each 0.89 metres long.” Will Scott have enough ribbon? Explain your an
dybincka [34]

Answer:

i don't know

Step-by-step explanation:

i don't know

6 0
2 years ago
the scale of a model railroad set is 3.5 millimeters to one foot if the length of a model car in the set is 150 millimeters what
Montano1993 [528]

\bf \begin{array}{ccll} \stackrel{mm}{model}&\stackrel{ft}{actual}\\ \cline{1-2} 3.5&1\\ 150&x \end{array}\implies \cfrac{3.5}{150}=\cfrac{1}{x}\implies x=\cfrac{150\cdot 1}{3.5}\implies x\approx 42.86

6 0
3 years ago
Read 2 more answers
Please help me :) please
dangina [55]

Answer:

In bold.

Step-by-step explanation:

6/6 = 9/a

So a = 9.

6/c = a/4.5

6/c = 9/4.5 = 2

So c = 3.

By similar triangles:

d/5 = 6/ (6+6+3)

d/5 = 6/15 = 2/5

So d = 2.

Also by similar triangles

b/5 = 12/15 = 4/5

So b = 4.

8 0
3 years ago
If sqaure root x = 9, then x is between _____. 15 and 20 2 and 3 80 and 90 4 and 5
kolbaska11 [484]
If sqrt x = 9 then x = 9*9 = 81

Answer is  between 80 and 90.
3 0
3 years ago
Read 2 more answers
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