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Vesnalui [34]
4 years ago
7

Select the correct answer

Mathematics
1 answer:
Montano1993 [528]4 years ago
7 0
C I think is what my roommate said
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5/6 + 2/3 HELP PLZ I got 1 and 1/2 and i did i again and i got 1 and 2/3 Plz help
miskamm [114]
2/3 = 4/6 after we multiply top and bottom by 2 (2*2 = 4, 2*3 = 6)

So we can turn
5/6 + 2/3
into
5/6 + 4/6
Then add the numerators to get 5+4 = 9

So 5/6 + 4/6 = 9/6 which reduces to 3/2 (divide both parts by 3)

The last thing to do is convert 3/2 into a mixed number. If you use long division you'll find that 3 divided by 2 = 1 remainder 1

Or you can think of it like this
3/2 = (2+1)/2 = 2/2 + 1/2 = 1 + 1/2 = 1&1/2

So the final answer, as a mixed number, is 1 & 1/2
Whole part = 1
Fraction part = 1/2
7 0
4 years ago
The sum of two numbers is 23. The first number is 3/20 of the second number. What are the numbers?
Thepotemich [5.8K]

Answer:

Here's what i know:

x + y = 23

3y / 20 =x

 

Here we can use substitution to help find our answer:

y + 3y/20 = 23

20y/20 + 3y/20 = 23

23y/20 = 23

23y = 23 * 20

y = 23 * 20 / 23

y = 20

 

x + 20 = 23

x = 3

6 0
3 years ago
Read 2 more answers
I would really appreciate it if somebody could help me
iren [92.7K]

Answer:

for 38. D and E for 39 C

Step-by-step explanation:

6 0
3 years ago
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Lucy makes 4/7 of a dress in 3/4. How many dresses does she make in one hour
GREYUIT [131]

Answer:

3/7 of a dress in one hour

Step-by-step explanation:

(4/7)/(3/4)=x/(4/4)

(4/7)(4/3)=x/1

cross product

4/3*x=(4/7)(1)

4/3x=4/7

x=(4/7)/(4/3)

x=(4/7)(3/4)

x=3/7

8 0
4 years ago
What are 4 consecutive odd integers where the product of the two smaller integers is 64 less than the product of the two larger
Nana76 [90]
2n+1=2n+3=2n+5=2n+7-64
4nexponet2+8n+34exponetof2+25+34-64
8n+3=24n-29
16n=32
n=2
5 0
3 years ago
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