MATHEMATICS MIDDLE SCHOOL

n 1992, Jason bought a gallon of gas for $1.18. Yesterday, he bought a gallon of gas for $2.07. What is the percentage increase of the price of a gallon of gas from 1992 to yesterday? If necessary, round to the nearest tenth of a percent.

Answers

Answer 1
Answer:  it is o.89 cents because u subtract 2.07 from 1.18 and u get 0.89 cents
Answer 2
Answer:

Answer:

is  90.7%.

Step-by-step explanation:

First, find the difference between the two prices of a gallon of gas.

Then, divide by the price of the gallon of gas from 1992, and convert to a percent.

The percentage increase of the price of a gallon of gas is 90.7%.

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What is 6/10 +19/100
I need help with #3
What is the equation of the function that is graphed as line b?y = 1/2x - 1y = 2x + 1y = 1/2x + 1y = -4x
Juan always saves the same amount from his weekly allowance. The table shows how much he has saved at different times.Which equation represents the situation?Juan’s SavingsWeeks3, 6, 9, 12Amount saved 19, 28, 37, 46A.y – 3 = −3(x – 19)B.y – 28 = 3(x – 6)C.y + 9 = −3(x + 37)D.y + 46 = 3(x – 12)I'm pretty sure it's B.

I need help please!!!What is the slope, and what is the y-intercept of the line?

y=1/2x-5

Slope=

y-intercept=

Answers

This is very simple. The slope-intercept form of a line is y = mx +b
where m = slope and b = y-intercept.
Given y = ¹/₂ x - 5,
therefore the slope is m = ¹/₂ and the y-intercept is b = -5.
Hope this helps ✌️☺️✌️

Melillo Middle School prepared 30 cups of trail mix for a carnival. The ratio of nuts to dried fruit in the trail mix was 3 to 2. If the teachers ate 6 cups of nuts out of the mix, how many cups of dried fruit would need to be taken out in order to keep the original ratio?

Answers

4 cups of dried fruit would need to be taken out to keep the original ratio.

Given:
30 cups of trail mix.
ratio of nuts to dried fruit is 3 to 2.

3:2 = 6:x
3x  = 2*6
3x = 12
3x/3 = 12/3
x = 4  cups of dried fruits
ratio is 3:2
30 total
3+2=5
30=5 units
divide by 5
6=1 unit

at first there is
3(6):2(6)=18:12
18 nuts and 12 dried fruit
if teachers ate 6 nunts then hoa much fruit must be taken out to keep it same

18-6=12
12:x=3:2
treat as fraction
12/x=3/2
multiply both sides by x to clear x
12=3x/2
multiply both sides by 2 to cleaer fraction
24=3x
divide by 3
8=x

it needs to be 8
12-x=8
subtract 12 from both sides
-x=-4
multiply -1
x=4



4 cups must be taken out

Sammy picks blueberries and cherry tomatoes. • She earns $3.00 for each pint of blueberries and $2.00 for every pint of cherry tomatoes she picks.
• Sammy earned a total of $28.00.
• She picked twice as many pints of tomatoes as blueberries.
How many pints of blueberries did Sammy pick?

Answers

Answer:

Step-by-step explanation:

b = pints of blueberries

c = pints of cherry tomatoes

3b + 2c = 28

2b = c

First, substitute 2b into the c of the first equation.

3b + 2(2b) = 28

3b + 4b = 28

7b = 28

b = 4

Then, substitute 4 into the b of the second equation.

2(4) = c

c = 8

Then, substitute both values into the first equation to check.

3(4) + 2(8) = 28

12 + 16 = 28

(5+10p) +13
a.28p
b.15p+13
c.23p+5
d.10p+18

Answers

5+10p+13 <--remove the parentheses  
And now just add like terms
(10p)+(5+13)
10p+18 <---answer
Now, here, we need to combine like terms.

5 and 13 are like terms.

5+13 = 18

Final answer:  10p + 18

A bag of walnuts was 7 pounds how many one-seventh of a pound servings are there in a bag

Answers

49, because 7 one sevenths in a pounds, so 7x7=49 :)
49 - just do 7x7 as there are 7 servings per pound and it is a 7 pound bag

How many kilograms are equal to 5,000grams?

Answers

5000 grams are equal to 5 kilograms
1 Kg = 1,000 gr.
5 Kg = 5.000gr.  

:)
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