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kolezko [41]
2 years ago
9

Please help I need help

Mathematics
1 answer:
Naddika [18.5K]2 years ago
3 0
I don’t know what it is
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What is 3/4 + 2/3 ???
erica [24]
To add fractions, first convert them to have equal denominators.

3/4= 9/12 (multiply both sides by 3)
2/3= 8/12 (multiply both sides by 4)

From here, add the numerators while keeping the denominator.
9/12+ 8/12= 17/12

Final answer: 17/12 or 1 5/12
3 0
2 years ago
Read 2 more answers
Hello! Can someone help with this question?
IgorC [24]

Hello! :)

\large\boxed{\text{70 seconds}}

Use a proportion to find how many seconds are needed to fold 5 shirts.

We are given that he takes 28 seconds to fold 2 shirts:

28 sec : 2 shirts

We are not given the amount of time needed for 5 shirts, which we need to solve:

x seconds : 5 shirts

Express in a fraction:

\frac{2 shirts}{28 seconds}  = \frac{5 shirts}{xseconds}

Cross multiply and simplify:

2 * x = 5 * 28\\\\2x = 140\\\\x = 70 sec

Therefore, he needs 70 seconds to fold 5 shirts.

5 0
3 years ago
​ Commemorative coins come in packs of 15, while coin holders come in packs of 25. What are the least numbers of packs you shoul
Elis [28]

Answer:

5 Commemorative coin packs

3 coin holders

Step-by-step explanation:

5 0
2 years ago
Please Please Please help me with the answer
Tems11 [23]

c = amount of chocolate donuts

m = amount of maple donuts.

so we know the total in all is 41 donuts, thus c + m = 41.

we also know that whatever c is, m is 25 fewer than that, m = c - 25.

\bf \begin{cases} c+m=41\\ \boxed{m}=c-25\\ --------\\ c+\boxed{c-25}=41 \end{cases} \\\\\\ 2c-25=41\implies 2c=66\implies c=\cfrac{66}{2}\implies c=33 \\\\\\ \stackrel{\textit{since c = 33}}{m = c - 25}\implies m=33-25\implies m = 8

6 0
3 years ago
Read 2 more answers
4 ake away 2 times -1
Sergio039 [100]

Answer:

Answer down below.

Step-by-step explanation:

First of all, you need to start with the second section, which is 2 times -1

Doing that, will result with -2, since a positive times a negative = negative, and 2 times 1 = 2

Then, do -2 minus 4, and that gives you -6

Hope this helps!

6 0
2 years ago
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