MATHEMATICS MIDDLE SCHOOL

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?
A. What is the domain? B. What does the domain - 1

Answers

Answer 1
Answer:

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.

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17 units to the left of -6 on a number line.

Can someone help me real fast?Which association best describes the scatter plot?



A.
negative linear association

B.
negative nonlinear association

C.
positive linear association

D.
positive nonlinear association

Answers

i would say C. a positive association
The answer to the problem is C. positive nonlinear association.

Solve for t. P = irtA.
t = P/ir

B.
t = ir/P

C.
t = Pir

D.
t = P – i – r

Answers

A.    and ir ≠ 0   .............
None of the answers are correct, but your best bet would be A T=p/ir

Diya and Leo both write the decimal 2.15 repeating as a fraction. Diya's fraction: 97/45 Leo's fraction: 97/5 Who wrote the correct fraction?

Answers

We can solve this without counting too much, like this:

When we look st Diya's fraction: it's about 2 : you can see that the top number is about twice as big as the lower one (compare 90 and 40 for this, 90 is a little more than twice 40)

When we look at Leo's fraction: 97 is a lot more than twice 5!!! To simplify compare 90 and 5: it is definitely at least 10 times bigger (actually 18).

So even if we just "look at" the fractions; Leo's fraction seems too big to be 2.(15).

In fact, his fraction is equal to 19.4

Diya was right!

(and 97/45 is exactly 2.(15).

at a supermarket , Monica paid 3.20 for 2 pounds of apples and 2 pounds of oranges, while Sarah paid 4.40 for 2 pounds of apples and 4 pounds of oranges. At these rates, what is the cost , in dollars, for 3 pounds of oranges?

Answers

The cost , in dollars, for 3 pounds of oranges is 1.8

Solution:

Given that Monica paid 3.20 for 2 pounds of apples and 2 pounds of oranges

Sarah paid 4.40 for 2 pounds of apples and 4 pounds of oranges.

Let the cost of orange per pound = x  

Let the cost of apple per pound = y  

Therefore, we can frame an equation as follows for Monica and Sarah:

In Monica’s case:  

2x + 2y = 3.20  

Hence x + y = 1.6 ---- eqn 1

In Sarah’s case:  

4x + 2y = 4.40  

Hence 2x + y = 2.2

y = 2.2 -2x – eqn 2

Substitute eqn 2 in eqn 1 we get,

x + 2.2 -2x = 1.6

-x = 1.6-2.2 = -0.6

x = 0.6

Substituting the value of “x” in eqn 2 we get the value of “y” as 1

Thus the cost of orange per pound is 0.6

Therefore, cost of 3 pounds of oranges = 3 × 0.6 = 1.8

Name three pairs of number that have 5 as their greatest common factor

Answers

5  and  10

5  and  100

5  and  100 million
 any of these numbers are possible answers15/20 /17 /43/ 28 /32

each of the 28 students in romi's class raised at least $25 during the jump-a-thon. what is the least amount of money the class raised?​

Answers

Answer:

$700

Step-by-step explanation:

25 the least amount of money earned by each student multiplied by 28 the number of students.

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