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harkovskaia [24]
3 years ago
5

8.4 divided by unknown gives you 2.8 what is the unknown

Mathematics
1 answer:
Anna007 [38]3 years ago
6 0

Answer:

3

Step-by-step explanation:

8.4 ÷ 3 = 2.8

(Hopefully this answers your question)

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colleen is making a belt but she wants it to be 3/5 as long than the directions indicate.The directions state that she needs a l
Virty [35]

\frac{3}{5}  =0.6 \\  \\ 101.6 \times 0.6 = 60.94
so yeah, she'll need an additional centimeter
3 0
3 years ago
A family has 2 children, the older child has brown eyes. Both children have brown eyes
Katyanochek1 [597]

Yes

⭐ Answered by Foxzy0⭐

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8 0
2 years ago
Read 2 more answers
Find the LinReg line of best fit for this data set.
finlep [7]

The LinReg line of best fit for this data set is ŷ = -1.24X + 0.66

<h3>What is regression line?</h3>

A linear regression line has an equation of the form Y = a + bX, where X is the explanatory variable and Y is the dependent variable.

Given:

(−5, 6.3),

(−4, 5.6),

(−3, 4.8),

(−2, 3.1),

(−1, 2.5),

(0, 1.0),

(1, −1.4)

Sum of X = -14

Sum of Y = 21.9

Mean X = -2

Mean Y = 3.1286

Sum of squares (SSX) = 28

Sum of products (SP) = -34.6

Regression Equation,

ŷ = bX + a

b = SP/SSX = -34.6/28 = -1.23571

a = MY - bMX = 3.13 - (-1.24*-2) = 0.65714

ŷ = -1.23571X + 0.65714

ŷ = -1.24X + 0.66

Learn more about regression line here:

brainly.com/question/7656407

#SPJ1

3 0
2 years ago
One evening in snowed in several towns the number of inches of snow received are shown in the list below
Yuri [45]

Answer:

Please find the required line chart created with MS Excel

Step-by-step explanation:

Question:

The given data are;

3/4, 1 1/2, 2, 1 1/4, 3/4, 2, 1 1/2, 1 1/4, 1 1/2, 1/2, 1

In the question, it is required to create a line plot to represent the data

The given data can be sorted in ascending order in decimal form as follows;

0.5, 0.75, 0.75, 1, 1.25, 1.25, 1.5, 1.5, 1.5, 2

The line chart created with MS Excel is attached.

4 0
3 years ago
Jackie has $150 to spend on books at Barnes and Noble. She has
I am Lyosha [343]

Answer:

she would buy 5 books

Step-by-step explanation:

150 - 56 = 94

94 ÷ 20 = 4.7

Rounds up to 5 books

if 5 books is not the answer.

try 4

4 0
3 years ago
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