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fomenos
3 years ago
11

50 POINTS WILL MARK BRAINIEST PLEASE HELP ME!! THANK YOU

Mathematics
2 answers:
7nadin3 [17]3 years ago
5 0
A)The more hours spent on homework resulted in higher test scores, seen by the positive correlation between x and y values.
b) It predicts, for 3 hours, a 64.
c) It means that even if the student did absolutely no homework at all, he'd still make at least a 40 on the test.
Wewaii [24]3 years ago
5 0

Answer:

A. There is a strong positive correlation.

B. The regression line predicts 64%. The graph suggests 60%.

C. When the hours of homework completed is 0, the baseline test score is 40%




You might be interested in
Find (3.3 × 10^4) + (1.9 × 10^5)
scoundrel [369]

Answer:

2.23 \times 10^{5}

Step-by-step explanation:

We have to find the sum of two numbers following the steps as described in the question.

The question is in the form of fill in the blanks.

Now, the given sum is (3.3 \times 10^{4} )+(1.9 \times 10^{5} )

= (3.3 \times 10^{4} )+(19 \times 10^{4} )

= (3.3+19) \times 10^{4}

= 22.3 \times 10^{4}

= 2.23 \times 10^{5} (Answer)

5 0
3 years ago
5. Which expression has the value of -2?
julia-pushkina [17]
B

Explanation:

-12/6 = -2
4 0
3 years ago
Product of 2a+3b-c and 2a+3b-c​
goldenfox [79]

Answer:

Product (multiplication) of 2a+3b-c and 2a+3b-c is −2ac+2a+6b−c.

Explanation:

2a+3b−c(2)a+3b−c

= 2a+3b+−2ac+3b+−c

Combine Like Terms:

= 2a+3b+−2ac+3b+−c

= (−2ac)+(2a)+(3b+3b)+(−c)

= −2ac+2a+6b+−c

6 0
3 years ago
Read 2 more answers
6. Mr. Jackson has $60 to spend on supplies for his
shusha [124]

Answer: $12.54

Step-by-step explanation:

7 times $4.32 = $30.24

14 times $1.23 = $17.22

add both sums which = $47.46

now subtract $60.00 by $47.46

now equals $12.54 HOPE THIS HELPED!!

5 0
3 years ago
Use the number set to answer the question.
Fantom [35]

Answer:

7

Step-by-step explanation:

The median is the middle value of the data set arranged in ascending order.

If there is no exact value then it is the average of the values either side of the middle.

Arrange the data in ascending order

1, 4, 6, 8, 8, 9

The middle is between 6 and 8, thus

median = \frac{6+8}{2} = \frac{14}{2} = 7

8 0
4 years ago
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