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Vera_Pavlovna [14]
3 years ago
6

Martha estimated there were 98 marbles in a jar for a contest. The actual number of marbles in the jar was 120. What was the per

cent error of Martha's estimation?
Mathematics
1 answer:
pishuonlain [190]3 years ago
8 0

Answer:

18.33%

Step-by-step explanation:

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A recipe for a soup calls for 2/4 cup of chopped onion and 1/5 cup of chopped
Vikki [24]

Answer:

The total amount of celery and onion needed for the soup is 7/10 cup.

Step-by-step explanation:

2/4 + 1/5 = 7/10 cup.

hope it helped :)

mark me brainliest!

5 0
3 years ago
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Use the slope formula to find the slope of the line that goes through the points ( 6, -5) and (3, 4). 13 3 −1/3 -3
mr_godi [17]

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slope =  \frac{ - 5 - 4}{6 - 3}  \\

slope =    \frac{ - 9}{3}  \\

slope =  -  3  \\

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7 0
3 years ago
Simplify squareroot 9/36
stiks02 [169]

Hi!


Let's find the square root of 9/36.


First, find the square root of 9.

To do that, factorize it.

9/3 = 3

3/3 = 1

3 * 3 = 9

The square root of 9 is 3.


Now find the square root of 36.

36/2 = 18

18/2 = 9

9/3 = 3

3/3 = 1

2 * 2 * 3 * 3 = 36

You could also write this as...

2 * 3 * 2 * 3 = 36

Solve part of it and you get...

6 * 6 = 36

The square root of 36 is 6.


The answer is 3/6, but simplified it's 1/2.


Hope this helps! :)

-Peredhel

4 0
4 years ago
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X³+x²-x-1=?<br> What is the solution for th8s?
Assoli18 [71]

Answer: (x − 1 ) ^{2}

3 0
3 years ago
Pleaseeee help with all
Hatshy [7]

1. 8p-3=13

+3

8p=16      /8

p=2

2. 8j -5 +j=67

==            9j=72    /9

j=8

3.   3(2x-5)=4x+33   <--- =expand ()

6x-15=4x+33      ---> 2x=48

x=24

4. c=b-bx

get just x's on one side

c-b=bx

divide by b---> (c-b)/b=x

6 0
3 years ago
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