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stiks02 [169]
3 years ago
12

Help please, help me

Mathematics
1 answer:
djverab [1.8K]3 years ago
5 0

Answer:

at 6pm it was 18 degrees

Step-by-step explanation:

10 pm:  -10

9 pm : -3

8 pm: 4

7 pm: 11

6 pm: 18

Add 7

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Tia and Sam want to see who is more precise at cutting paper. Each person cut 10 pieces of paper, and the lengths of their cuts
11Alexandr11 [23.1K]

You did not provide 10 cuts for Tia. This problem cannot be solved.

5 0
3 years ago
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If f(x) is a third degree polynomial function and g(x) = f(–2x), which of the following is NOT true?
valina [46]

Answer:

f(x) and g(x) have the same x-intercepts (is <em>not true</em>)

Step-by-step explanation:

g(x) is a reflection across the y-axis and a horizontal compression of f(x). In general those transformations will move the x-intercepts. (The y-intercept and the number of x-intercepts will remain unchanged.)

_____

<em>Comment on the question/answer</em>

f(x) = x^3 is a 3rd degree polynomial. When transformed to g(x) = -8x^2, its only x-intercept (x=0) remains the same. The answer above will not apply in any instance where the only x-intercept is on the line of reflection. (The question is flawed in that it does not make any exception for such functions.)

8 0
3 years ago
Tom made $450 selling CDs last month. That total increased to $513 this month. What was the percent increase? (pls answer)
svetoff [14.1K]

Answer:

14%

Step-by-step explanation:

7 0
3 years ago
What is the slope of a line that is perpendicular to a line whose equation is -2y=3x+7? Help needed asap please :)
Alecsey [184]
I hope it helps you!!

6 0
3 years ago
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How do you solve number 27 and 28
Elanso [62]

27) if a = 1/a

multiply both sides by a

a * a = 1/a * a

a^ 2 = 1

Answer is D) 1

28)

6 x 75 = 450

7 x 80  = 560

8 x 85 = 680

9 x 90 = 810

Total all students in class = 6 + 7 + 8 + 9 = 30 students

Total score of whole class:

450 + 560 + 680 + 810 = 2500

Average = 2500 /30 = 83.3 = 83 1/3

Answer is C) 83 1/3

8 0
3 years ago
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