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Leto [7]
2 years ago
12

Derek estimated the cost of his grocery bill to be $75, but it actually cost $110. Find the percent error rounded to the nearest

whole percent.
please help?
Mathematics
1 answer:
UkoKoshka [18]2 years ago
8 0

I could be wrong, but I think its 35%.

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9.
Masja [62]

Answer: The Answer is D.

Step-by-step explanation: IT is D because a FUNCTION DOES NOT suppose to hit more than 1 point. You can also use the vertical line test meaning take a pencil or pen hold it up and down and drag it across you screen or paper, and if it hits more than 1 point it is NOT a FUNCTION. Plus rate the Brainlest

8 0
3 years ago
Marissa has 10 grapes. Roger has 3 times as many grapes as Marissa. How many grapes do Marissa and Roger have in all?
postnew [5]

Answer:

The answer is 40

Step-by-step explanation:

First, since roger has 3 times as many grapes as Marissa. do 10 times 3. The answer is 30. Roger has 30 grapes. The question is asking how much they have all together. Add 30 plus 10 and the answer that you will get is 40. The answer is 40

7 0
2 years ago
Show all steps when completing the square to solve 2x^2 - 4x - 5 = 25
aleksley [76]

Answer:

x = 5, -3

Step-by-step explanation:

2x² - 4x - 5 = 25

add 5 to each side

2x² - 4x = 30

factor out the 2

2(x² - 2x) = 30

divide both sides by 2

x² - 2x = 15

divide b by 2, square it -- (b/2)², and add it to both sides

-2/2 = -1 → -1² = 1

x² - 2x + 1 = 15 + 1

factor the expression on the left -- this will be [x - (b/2)]²

(x - 1)² = 16

find the square root of both sides

x - 1 = ±4

add 1 to both sides

x = 4 + 1

x = -4 + 1

solve

x = 5, -3

8 0
2 years ago
Sarah bought a shirt for $24.00, before tax. Tax was 6% what was the tax Sarah paid
bezimeni [28]

Write 6% as a decimal : 6% = 0.06

Multiply the price of the shirts by 0.06:

Tax = 24.00 x 0.06 = $1.44

8 0
2 years ago
PLEASE HELP ASAP !! 10 points
Viefleur [7K]

Answer:

a

Step-by-step explanation:

the range is the "y"


6 0
2 years ago
Read 2 more answers
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