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Eduardwww [97]
3 years ago
5

Can someone help me with the missing ones??

Mathematics
1 answer:
den301095 [7]3 years ago
6 0

Answer:

Step-by-step explanation:

3). Definition of midpoint

4). Midpoint theorem ( ≅ parts are = )

7). Division Property of Equality.

8).  QR = 5 + <em>2</em> = 7     Substitution x by equal value

9). PQ = 4(<em>2</em>)  - 1 = 7    Substitution x by equal value

10). Segment addition postulate

11). Substitution

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Use the line of best fit to estimate the French score for a student who got 65 in maths.
just olya [345]

Using a linear function, it is found that the estimated French score is of 38.1875.

A <em>linear function</em> has the following format:

y = mx + b

In which:

  • m is the slope.
  • b is the y-intercept.

Searching the problem on the internet, it is found that two points of the line of best-fit are: (10,65) and (90,26).

The slope is given by <u>change in the output divided by the change in the input</u>, hence:

m = \frac{26 - 65}{90 - 10} = -0.4875

Then:

y = -0.4875x + b

Point (10,65) means that when x = 10, y = 65, and this is used to find b.

y = -0.4875x + b

65 = -0.4875(10) + b

b = 69.875

Hence:

y = -0.4875x + 69.875

For a student who got 65 in math, x = 65, and hence:

y = -0.4875(65) + 69.875 = 38.1875

The estimated French score is of 38.1875.

For more on linear functions, you can check brainly.com/question/16302622

7 0
3 years ago
I need this answer ASAP
AnnZ [28]

Answer:

trapezoid one is 336 inches  squared

trapezoid two is 9 inches squared

Step-by-step explanation:

The formula for a trapezoid is b1+b2 so the number on the top line = the number on the bottom line, you then multiply your new number by the height which is the number bye the dotted red line.

Hope this helps!

3 0
3 years ago
Out of the 1236 employees who work for a particular company, 748 of them work in an office. One employee is selected every month
Aliun [14]

Answer:

458

Step-by-step explanation:

3 0
4 years ago
WHAT IS THIS ANSWER
zysi [14]

Answer:

15

Step-by-step explanation:

I beleive you just count the dots thats what i did

7 0
4 years ago
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What is the answer to 8k-4(k-1)+7-k
seropon [69]
8k-4k+4+7-k = 
8k-4k-k+4+7 = 
3k+11
8 0
3 years ago
Read 2 more answers
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