MATHEMATICS HIGH SCHOOL

The price of one share of a company declined $3.50 per day for 4 days in a row. What is the overall change in the price of one share?

Answers

Answer 1
Answer:

Answer:

$3.50

Step-by-step explanation:

"per" means that that is the unit rate

(yes, I meant to say that that)

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Am solving this problem correct
Holly finds that (11m – 13n + 6mn) – (10m – 7n + 3mn) = m – 20n + 9mn. What error did Holly make? a)he only used the additive inverse of 10m when combining like terms. b)She added the polynomials instead of subtracting. c)She only used the additive inverses of –7n and 3mn when combining like terms. d) She did not combine all like terms.
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HELP ASAP!!given the function f (x)=2x-5 over 3 , which of the below expressions is correct ?

Bella is 10 5/12 years old. Franco is 12 7/12 years old. What is the difference in their ages? Write in simplest form.

Answers

The answer is 2 1/6. 12 7/12 - 10 5/12 is 2 2/12 which you can simplify to 2 1/6

Edith spends 8 hours a day working in her office and 1 hour in the office taking lunch. She wrote this equation to represent the total time she spends in the office in one day.t = 8 + 1

Edith works 5 days a week.

Which equation would represent the total time Edith spends in the office in one week?

A.
t = (5 • 8) + 1

B.
t = 5 • (8 + 1)

C.
t = 8 + (5 • 1)

D.
t = 5 + (8 + 1)

Answers

B is the best. Because she works 8+1 hours 5 times :) hope this helps

THIS IS FOR 10 POINTS!!!!!!!!!! PLEASE HELP ME12p=?

If p represents a proper fraction then your answer will be
A. Less than
B.Greater than
C. Equal to
AND
What fraction makes the above statement true
2/3 12/1 2/2 8/8 5/4 5/8 12 3/5 16/4

Answers

A proper fraction is a fraction that is less than 1, that is the nominator is smaller than the denominator.

an example of a proper fraction is 1/2.

so let's try it out:

12*(1)/(2)=6

so if p represents a proper fraction, the result could be bigger than 1

but it could also be 1:

12*(1)/(12)=1

or less than 1:

12*(1)/(22)=(1)/(12)


So... I think you might have forgotten something?

The options (A. Less than
B.Greater than
C. Equal to)

need something else at the end: less than WHAT etc.


as for the second part, among the fractions:


2/3 12/1 2/2 8/8 5/4 5/8 12 3/5 16/4

Only those are proper fractions (so would make the statement true)

2/3

 5/8

 3/5



Jalyn plans to sell Algebra Nation t-shirts as a fundraiser for a new scholarship initiative. The wholesale t-shirt company charges Jalyn $10.00 a shirt for 75 shirts or less. If the number of t-shirts purchased is between 76 and 150 shirts, the company will lower its price to $7.50 per shirt. If Jalyn purchases 150 or more shirts, the price will decrease to $6.00 per shirt. Which of the following statements are true? Select all that apply.

Answers

If each shirt costs $10 within the purchase of 1 to 75 shirts, the function will be: 10x (with x being the number of shirts, from 1 to 75). If each shirt costs $7.50 within the purchase of 76 to 150 shirts, the function will be: 7.5x (with x being between 76 and 150). Finally, if each shirt costs $6 within the purchase of 150 or more shirts, the function will be: 6x (with x being any number from 150 up).

Make h the subject of the formula

Answers

Answer:

h

Step-by-step explanation:

what formula????????

You are working as a clinical chemist in charge of the testing of blood samples. You are required to mix a solution of sodium chloride with water in the ratio of 2:5. Starting with 780ml of the sodium chloride solution, how much water needs to be added? Give your answer in standard form to an appropriate number of significant figures.

Answers

1,950 ml of water should be added to 780 ml of sodium chloride to maintain the ratio of 2:5

Given:
Ratio of sodium chloride to water  2:5
sodium chloride = 780 ml
water = ?

proportionality a:b = c:d where ad = bc

a = 2 ; b = 5 ; c = 780 ml ; d = x

2:5 = 780:x
2x = 780*5
2x = 3900
x = 3900/2
x = 1950 ml of water.
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