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GREYUIT [131]
3 years ago
15

Equations with variables on both sides: decimals & fractions, 6d - 11/2 = 2d - 13/2

Mathematics
2 answers:
Paraphin [41]3 years ago
7 0

Final Answer: d = -\frac{1}{4}

Steps/Reasons/Explanation:

Question: Equations with variables on both sides: decimals & fractions, 6d - \frac{11}{2}  = 2d - \frac{13}{2}.

<u>Step 1</u>: Subtract 2d from both sides.

6d - \frac{11}{2} - 2d = -\frac{13}{2}

<u>Step 2</u>: Simplify 6d - \frac{11}{2} - 2d to 4d - \frac{11}{2}.

4d - \frac{11}{2} = -\frac{13}{2}

<u>Step 3</u>: Add \frac{11}{2} to both sides.

4d = -\frac{13}{2} + \frac{11}{2}

<u>Step 4</u>: Simplify -\frac{13}{2} + \frac{11}{2} to -1.

4d = -1

<u>Step 5</u>: Divide both sides by 4.

d = -\frac{1}{4}

~I hope I helped you :)~

Leona [35]3 years ago
6 0

Step-by-step explanation:

i work in paper sheet please see it

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Answer:

12 hours or more

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3 0
4 years ago
□+□+□=30<br> Fill in the boxes using 1,3,5,7,9,11,13,15<br> You can also repeat the number?
adelina 88 [10]

It is impossible to get the result of 30 using just odd numbers in the blanks.

Using factorials, we get  3! + 11 + 13 = 30 or 3! + 9 + 15 = 30

<em><u>Solution:</u></em>

----- + ------ + ------- = 30

We have to fill with numbers 1, 3, 5, 7, 9, 11, 13, 15 to get 30

We can also repeat the number

Given are the set odd numbers like 1, 3, 5, 7, 9, 11, 13, 15

We need three numbers to fill in the box to get 30

When three odd numbers are added, it results in odd number

But we should get 30, which is a even number

So it is impossible to get the result of 30 using just odd numbers in the blanks.

<em><u>Using tricks, some of solutions are:</u></em>

We can use factorial

3! + 9 + 15 = 6 + 9 + 15 = 30

Or

3! + 11 + 13

So, 6 + 11 + 13 = 30

5 0
3 years ago
Which inequality represents the situation: Kate took $3 out of her purse and still had at least $8 in it. How much did she have
krek1111 [17]

Answer:

k-3 ≥8

Step-by-step explanation:

k-3 ≥8

kate takes out 3 dollars and has at least 8 dollars left, meaning she could have more.

7 0
3 years ago
The product of X and 7 equals 28
ki77a [65]
When you are looking for this, the best way to do this is to divide 28 by 7. This will give you 4.
The other way to do this is to list the factors of 28, which are 1,2,4,7,14,28, and you will then be able to see which two are paired.
In this case, x is 4.
Hope I have been able to help you
4 0
3 years ago
The Great Pyramid in Egypt is about 450 feet high. How do i express it in yards?
san4es73 [151]

Answer:

150 yards

Step-by-step explanation:

Since 1 yard = 3 feet,

You can divide 450 by 3 to express it in yards.

450 ÷ 3 = 150

So, the pyramid is 150 yards high.

8 0
3 years ago
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