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storchak [24]
3 years ago
15

Are 1/2x+3/4-5/8x-7/8 and 1/8(x+1) equivalent expressions? show your work.

Mathematics
1 answer:
jolli1 [7]3 years ago
8 0
Put these questions in Mathpapa’s Simplify calculator. It will give you the answer and all of the work you need.
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An element has 2 isotopes: 6X at 7.59% and 7X at 92.41%.<br> What is the average atomic mass?
crimeas [40]

The average atomic mass is 6.92X

How do we compute the average atomic mass?

In a bid to  calculate the average atomic mass, we  multiply the fraction of each isotope by the mass number , then add them together.

This is more like weighted average, as shown below:

average atomic mass=(mass number of first isotope*fraction)+(mass number of second isotope*fraction)

average atomic mass=(6X*7.59%)+(7X*92.41%)

average atomic mass= 6.92X

Find out more about average atomic mass on:brainly.com/question/13299770

#SPJ1

5 0
2 years ago
Sean has some candy bars that he wants to give away. He is going to give each person 1/8 of a bar, and he has 2 3/4 bars to give
hjlf

Answer:

jdfsddudnfdhujskvbusduyhd

Step-by-step explanation:

habdaerfukhdskfsubfa

7 0
3 years ago
Sarah sells beaded necklaces she makes a profit of $4 on every necklace she sells which table represents the profit Sarah makes
Bogdan [553]

Answer:

<u>The correct table is A.</u>

Correct statement and question:

Sarah sells beaded necklaces she makes a profit of $4 on every necklace she sells which table represents the profit Sarah makes.

A.

Necklaces Sold Profit $

 4                           16

 6                           24

 8                           32

10                          40

B.  

Necklaces Sold Profit $

 4                           8

 6                           10

 8                           12

10                          14

C.

Necklaces Sold Profit $

 4                           4

 6                           8

 8                           12

10                          16

D.

Necklaces Sold Profit $

 4                           16

 6                           20

 8                           24

10                          28

Source:

North Carolina Practice Test

Step-by-step explanation:

If Sarah makes a profit of $ 4 on every necklace she sells, then:

4 necklaces = 4 * 4 = $ 16

6 necklaces = 6 * 4 = $ 24

8 necklaces = 8 * 4 = $ 32

10 necklaces = 10 * 4 = $ 40

<u>The correct table is A.</u>

6 0
3 years ago
What +2/3=11/12 equation
Luden [163]

Answer:

1/4

Step-by-step explanation:

1st: you need to make a common denominator for 2/3 and 11/12 that would be 12, so you would  keep 11/12 how it is but multiply the numerator and the denominator by 4 to get it to 12.

You would have ;

8/12+___=11/12

Then just do 11/12-8/12

so that would simplify out to 1/4

6 0
3 years ago
Read 2 more answers
T÷5/12= -3/10<br> Thank you if you help :)
skelet666 [1.2K]

Answer:

t = -1/8.

Step-by-step explanation:

t / 5/12 = -3/10          Invert the 5/12 and multiply:

12t / 5 = -3/10

Cross multiply:

12t * 10 = 5 * -3

120t = -15

t = -15/120 = -1/8.

7 0
3 years ago
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