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Sonja [21]
3 years ago
14

Waldo measured the width of a window seat as 4.23 feet, but the actual width was 5 feet. What is the percentage of error in Wald

o's measurement? (5 points)
a
18.46%

b
18.20%

c
21.82%

d
15.40%
Mathematics
1 answer:
kirza4 [7]3 years ago
4 0

Answer: d. 15.40%

Step-by-step explanation:

Divide 4.23 by 5 to get the percentage.

Subtract this number (.846) from 1 to get the answer: .154 or 15.40%

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Rico and his friend eat some lasagna. Rico eats 1/9 of lasagna, and his friend eats 1/18 of the lasagna. How much of the lasagna
Blizzard [7]

Answer:

\frac{5}{6} of the lasagna is left

<u>Step-by-step explanation:</u>

Given:

Amount of lasagna Rico eats = 1/9

Amount of lasagna His friend eats = 1/18

To Find:

The amount  lasagna is left =?

Solution:

Total lasagna ate by both Rico and his friend = Amount of lasagna Rico eats +  Amount of lasagna His friend eats

Total lasagna ate by both Rico and his friend = \frac{1}{9} + \frac{1}{18}

Total lasagna ate by both Rico and his friend = \frac{2}{19} + \frac{1}{18}

Total lasagna ate by both Rico and his friend = \frac{3}{18}

Total lasagna ate by both Rico and his friend = \frac{1}{6}

The amount  lasagna is left = 1 - Total lasagna ate by both Rico and his friend.

The amount  lasagna is left = 1 - \frac{1}{6}

The amount  lasagna is left =\frac{6-1}{6}

The amount  lasagna is left =\frac{5}{6}

4 0
4 years ago
PLEASE HELP FAST!! i will mark brainiest
SSSSS [86.1K]

Answer:

D

Step-by-step explanation:

Multiple --> Subtraction/addition

8g^6(h^4)k^12 - (h^25)k^15

5 0
3 years ago
Read 2 more answers
108 divided by 9 using distributive property
Lostsunrise [7]

108 = 81 + 27

Step 1: 81 / 9 = 9

Step 2: 27 / 9 = 3

Step 3: 3 + 9 = 12

108 / 9 = 12

Hope this helps! :D

7 0
3 years ago
A store is a 20% of A sale on all merchandise if Maia buys one item and saves $13 what was the original price of her purchase
Tema [17]

Answer:

$65

Step-by-step explanation:

Maia gets 20% discount and saves $13, that means,

20% of ORIGINAL PRICE is $13, right? Yes!

So, we can setup an equation in x (let original price be x) and solve for the unknown.

<em>20% of what number (x) is 13?</em>

<em />

This is what we want. Now remember, 20% converted to decimal is:

20% = 20/100 = 0.20

Now translation the "word equation" above to algebraic equation is:

0.20 * x = 13

<u>Note:</u> "of" means "multiplication" and "is" means "equal to"

Now, let's solve for x (original price):

0.2*x=13\\x=\frac{13}{0.2}\\x=65

The original price is $65

5 0
3 years ago
Help with this please
andrew-mc [135]

Answer:

Zero

Step-by-step explanation:

The line is parallel to x-axis. So, the slope is 'zero'

7 0
3 years ago
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