with no air resistance, an object would fall 16 feet during the first second, 48 feet during second second 80 feet during the third second, 112 feet during the fourth second, and so on, how many feet will be object fall during the ninth second
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Rewrite the problem using fewer words. Leave out information that you do not need to solve the problem. Then solve the problem. For a science project, you record the high temperature each day. The high temperature on Day 1 was 6°less than on Day 4 and 4°less than on Day 10. The high temperature on Day 10 was 62°F. What was the high temperature on Day 1? What was the high temperature on Day if it was ° less than °F? The high temperature was
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There are 8 sandwiches were ordered.
What is Simplification?
Simplification in mathematical terms is a process to convert a long mathematical expression in simple and easy form.
Given that,
Total number of people = 18
Total lunches = 18
And total price = $113.50.
Let there are x number of sandwiches,
And y number of soups.
Also given that,
Cost of one sandwich = $7.75
And cost of one soup = $4.50
Cost of x sandwiches = 7.75x
Cost of y soups = 4.50y
7.75x + 4.50y = 113.50 (1)
x + y = 18 (2)
By solving equation (1) and (2),
x = 8 and y = 10
The required number of sandwiches are 8.
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My justification fir wirting the equation like this is beacuse the total equals how many people ate over all minus how many people ate the soup. (X=18-y) y=soup x=sandwiches
81-4.5y+7.75y=113.5
We distributed
Now its time to combine like terms.
3.25y+81=113.5
I only subtracted beacuse the 4.5 was negative
Subtract 81 from both sides
3.25y=32.5
Divide by 3.25 on both sides
Y=10
Now that we have that we insert it back into the equation
x=18-(10)
So x=8
Basically, 8 sandwiches were ordered :D
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Answer:
300 doors.
Step-by-step explanation:
1.5 minutes for 1 door.
7.5 hours for 300 doors.
7.5 hours = 450 minutes.
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First , you need to use elimination method .In the elimination method you either add or subtract the equations to get an equation in one variable .
I hope that's help !
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For example, you invest in a bond wich pays 5% annual interest rate and it compounds semiannually.
The first semester you win 2.5% over the capital invested and in the second semester you win 2.5% over the capital plus the interested earned in the first semester. Then the effecive interest rate is higher than 5%.
Answer: For connections academy it’s APY
Step-by-step explanation:
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This is what the equation looks like then 4+2(35)
Since the 2 is next to the ( ) that means you multiply. So 35*2 = 70
Then the last part is 70+4 = 74 !
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1/4 of one pizza is 2 pieces.
So 16 minus 2 pieces is 14 pieces.
If she ate another 3 pieces then we subtract that from 14.
14 minus 3 is 11 pieces.
There is 11 pieces of pizza left from the original 16 pieces.
Final answer:
If Patricia had two pizzas cut into eighths, she had 16 slices. After eating 1/4 of a pizza (2 slices) on Friday and 3 slices on Saturday (total of 5 slices), she had 11 slices left.
Explanation:
Patricia had two pizzas, and each was cut into eighths. This implies she had 2 * 8 = 16 slices of pizza initially. If Patricia ate 1/4 of a pizza on Friday, that's equivalent to eating two slices (since each pizza had 8 slices) and then she ate 3 more slices on Saturday. So, Patricia in total ate 2 + 3 = 5 slices.
Subtracting the amount Patricia ate from her initial number of slices will give the remaining slices. So, she has 16 - 5 = 11 slices of pizza left.
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