MATHEMATICS MIDDLE SCHOOL

The graph below is the graph of a function

A. True
B. False
The graph below is the graph of a function A. - 1

Answers

Answer 1
Answer:

Answer:

A. True

Step-by-step explanation:

Use vertical line test to find our whether the line is the graph of a function or not.

From the photo, we can see that only one output ( value of y) for one input ( value of x)  and all vertical lines intersect a curve at most once then the line represents a function.

Hope it will find you well.

Answer 2
Answer:

Answer:

false

Step-by-step explanation:

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0.2(d − 6) = 0.3d + 5 − 3 + 0.1d. Help needed

Factor each expression 11x+55

Answers

11x+55
= 11x + 11 x 5
= 11(x+5)
11x + 55 = 11(x+5)

Your final answer is 11(x+5).

6 hours more per week than Theodore studies.how to write this as an algebraic expression.

Answers

To answer this item, we let x be the number of hours per week that Theodore studies. 6 hours more than this value will give us the expression of x+6. The number of hours that a person will study is equal to x+6 in comparison to Theodore's data.

A. What is the domain?B. What does the domain mean in terms of the problem?

A. What is the range?
B. What does the range mean in terms of the problem?

A. When is the function decreasing?
B. What does this decreasing interval mean in terms of the problem?

Answers

Answer:

Step-by-step explanation:

Q.No.5

A) Domain is all the values that x can take.  In the graph we see that domain is

the values of x from 0 to 12 hours

Domain is 0≤x≤12

B) Domain is the no of hours as per the graph i.e. lower limit 0 to 12 hours

A) Range is the values what y can take.  Here the values temperature can take

From the graph we find that range is -2 to 4

-2≤y≤4

B) Range is the values what y can take.  Here the values temperature can take

A) Decreases whenever y decreases as x increases. Here. decreases for

x=0 to x=2

B) Decreasing interval is (0,2) and this means whenever number of hours increases the temperature decreases.

Please help i’m very confused

Answers

Answer:

A = ¹⁰⁷⁵/₁₆ = 67 ³/₁₆

Step-by-step explanation:

Area of a rectangle: A = b*h, where b = length of base and h = length of height

Plug in: A = 8 ¹/₄ * 10 ³/₄

Turn to improper fraction: A = ²⁵/₄ * ⁴³/₄

Multiply: A = ¹⁰⁷⁵/₁₆ = 67 ³/₁₆

Answer:

88   (11)/(16)

Step-by-step explanation:

The area of a rug is found by multiplying b*h. Just multiply 8 1/4 by 10 3/4 to get  88  11/16.

What si the answer to this? I'm bad at graphs sorry :). Btw it's number 22

Answers

a) To find amount collected in each category - you must understand that the numbers inside the circle represent an angle (in units of degrees).  Since we know a circle is composed of 360 degrees, we know each other portions as a ratio of that full circle

for simplicity sake, i will use "d" to represent "degrees"

Shirts = (140d)/(360d)*($7200) = $2800
Pants = (80d)/(360d)*($7200) = $1600
Other = (75d)/(360d)*($7200) = $1500
Shoes = (360d - 140d - 80d - 75d)/(360d)*($7200) = $1300
Total = $7200 [OK]

b) Knowing long sleeve shirts are to be 1/4 of the shirts sales, find the angle which represents in on the pie graph:

angle (long sleeve shirts) = 1/4*(140d) = 35d

c)  Assuming ratios to maintain over the next $900 of sales

Pant sales (in the next $900 of total sales) = ($900)*(80d/360) = $200

hope that helps
If It is in fact (b), then it's 90 degrees

Katie bought 4 sweaters that cost the same amout and 1 skirt that cost $20.the items she bought cost a total of $160 before tax was added.what was the cost of each sweater

Answers

The answer would be each sweater costed $35. 

Total= $160 
            -$20 (for the skirt)
          ______________
              =$140 divided by 4 for each sweater = $35
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