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givi [52]
2 years ago
7

I NEED THESE DONE ASAP I DONT KNOW WHAT TO DO

Mathematics
2 answers:
zavuch27 [327]2 years ago
7 0

Answer:

The answer to question 4 is 25.

Step-by-step explanation:

25 ÷ 5 = 5

"/" the slanted thing is another way of saying divide.

alexdok [17]2 years ago
7 0

Answer: 3. B

4. A

5. B

6. C

7. A

8. first do everything to get get x alone on its own side by subtracting or adding, for step two you take anything that is times x and divide it by the other side to get the answer for x. You should plug x into the original equation to check your answer.

Step-by-step explanation:

3. add 23 to both sides x=4. B

4. multiply the bottom number by the 5 which gives you 25 A

5. subtract 6 from both sides and divide by 3 which gives you 5

6. add 9 to both sides and divide by 7 so x = 6

7. subtract seven and you get x= 21

8. first do everything to get get x alone on its own side by subtracting or adding, for step two you take anything that is times x and divide it by the other side to get the answer for x. You should plug x into the original equation to check your answer.

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ser-zykov [4K]
In exact form it would be 15/8
5 0
3 years ago
Simplify (4r - s) - (r + 2s) + (3r - s)<br> A.) 6r - 3s<br> B.) 8r<br> C.) 3r - 2s<br> D.) 6r - 4s
docker41 [41]

Answer: D

Step-by-step explanation:

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6 0
2 years ago
Candice spent 5 1/4 hours doing her homework. Her brother, Ronald, spent 1/2 that number of hours doing his homework. How many h
Elden [556K]

Let

x-----> the number of hours that Candice spent doing her homework

y-----> the number of hours that Ronald spent doing his homework

we know that

x=5\frac{1}{4}\ hours

convert mixed number to an improper fraction

5\frac{1}{4}\ hours=\frac{5*4+1}{4}= \frac{21}{4}\ hours

so

x=\frac{21}{4}\ hours -------> equation A

y=\frac{1}{2}x ------> equation B

Substitute equation A in equation B

y=\frac{1}{2}*\frac{21}{4}=\frac{21}{8}\ hours

convert an improper fraction to a mixed number

\frac{21}{8}\ hours=2.625=2+0.625=2+\frac{5}{8}=2\frac{5}{8}\ hours

therefore

<u>the answer is the option B</u>

2\frac{5}{8}\ hours

5 0
3 years ago
Read 2 more answers
The perimeter of a rectangular mat is 16 feet. It is 6 feet long. How wide is it?
dezoksy [38]

Answer:

2ft

Step-by-step explanation:

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7 0
3 years ago
Help please thank you!
Harrizon [31]

Answer:b

Step-by-step explanation:ur welcome

6 0
2 years ago
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