MATHEMATICS HIGH SCHOOL

1. Jonathan bought 10lb of flour at $7.50. He had a store coupon for $0.79. What was thefinal price for the flour?
the answer and work

Answers

Answer 1
Answer:

Answer:

6.71

Step-by-step explanation:

The solution should be $6.71 because when you subtract $7.50 and $0.79 you end up with $6.71.

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Lisa has a certain amount of money. She spent 39 dollars and has 3/4th of the original amount left. How much money did she have originally

Answers

If \frac { 3 }{ 4 } is left, that means \frac { 1 }{ 4 } was spent. So \frac { 1 }{ 4 } of the total amount is equal to 39.. Let's say x to the total amount. \frac { 1 }{ 4 } \cdot x=39\n x=4\cdot 39\n x=156\n
$156, $39 is 1/4 of the money so 39 * 4 = 156

Write the equation of the line in standard form that passes through the point (1, 7) and has a slope of 2.

Answers

Answer:

y=2x+5

Step-by-step explanation:

What is 16% of 25?

A.64
B.16
C.6
D.4

Answers

Answer is 4 because 100 is divisible by 25 by 4 and 16 is divisible by 4 so the answer is 4
16/100*25 =16/4=4
the answer is 4

What is the correlation coefficient of y=0.48x+75.2

Answers

a correlation coefficient shows how linear a set of data is, so for any points that comply with the given equation, the correlation coefficient will be one, that is, the correlation is completely linear, because the given equation is alinear one, there is a linear correlation of x and y. Indeed, the equation is a line equation in general form.

A sequence is defined recursively by f(1)=16 and f(n)= f(n-1)+2n. Find f(4)

Answers

Hi,

f(1)=16
f(2)=f(1)+2*2=16+4=20
f(3)=f(2)+2*3=20+6=26
f(4)=f(3)+2*4=26+8=34

Which describes the calculations that could be used to solve this problem? Levi has 50 hot dogs to pack into boxes and bags. He has one box that will hold 15 hot dogs. He will put the rest of the hot dogs into bags with 5 hot dogs in each bag.

How many bags of hot dogs will Levi be able to fill?

A.
Subtract 50 – 15. Then multiply the difference by 5.

B.
Add 50 + 15. Then divide the sum by 5.

C.
Add 5 + 15. Then add 50 to the sum.

D.
Subtract 50 – 15. Then divide the difference by 5.

Answers

The answer would be D, because like it says, subtract 50-15, then divide the difference by 5
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