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kvasek [131]
3 years ago
11

Given the replacement set {2,3,4,5} solve 4x-3=2x+5

Mathematics
1 answer:
olchik [2.2K]3 years ago
3 0
4x - 3 = 2x + 5
4x - 2x = 5 + 3
2x = 8
x = 8/2
x = 4
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6th grade fractions...
blsea [12.9K]

The last pair of numbers bracket the point 3/7.

12/32 = 3/8 < 3/7

15/18 = 5/6 > 3/7

_____

3/7 ≈ 0.428571... (repeating), so will be larger than 3/8 = 0.375, 12/32 = 3/8, and 4/10. That is, 3/7 is larger than the largest number of each pair except the last.

------

You can always compare two fractions to see which is larger by cross-multiplying. That is a/b vs c/d gives the same result as ad vs bc. (Put the product on the numerator side of the comparison.)

Here, that would mean comparing 12/32 vs 3/7, we would get 12·7 vs 3·32, or 84 vs 96. The fraction on the left is smaller.

Comparing 3/7 vs 15/18, we would get 3·18 vs 7·15, or 54 vs 105. The fraction on the right is larger.

4 0
4 years ago
You have a cookie recipe that calls for 1/3 cup of sugar. You want to make 3 times as many cookies by tripling the recipe. How m
Rufina [12.5K]

Answer:

You will need 1 cup of sugar

Step-by-step explanation:

1/3*3/1=3/3=1

4 0
3 years ago
Kylie Matsumoto is a set designer. Her annual salary is $ 45,320. Kylie's semimonthly salary is $ _________. (Round to the neare
padilas [110]
1,888.33 dollars. 45320/24
8 0
3 years ago
Which will hold more juice, 12cans which is 150 ml or 2 bottles which is 1 liter
inn [45]

Answer:

if the two bottles are 1 liter each then those two bottles would hold more juice because in total they would hold two liters of juice

Step-by-step explanation:

the 12 cans of 150 ml would hold a total of 1.8 liters which is less than 2 liters

3 0
4 years ago
Jan has a 12 ounce milkshake. 4 ounces are vanilla, the rest is chocolate. What are 2 equivalent fractions that represent the fr
kifflom [539]
If there are 4 ounces of vanilla in a 12 ounces milkshake , it means that every 3 ounces of milkshake , 1 ounce of those 3 ounces is vanilla 4 ÷ 12 = 1/3
1/3 is the proportion of vanilla and milkshake.

4 ÷ 12 can also be written as 2/6 or 4/12

Awnser : 1/3 , 2/6 or 4/12 , 8/24 etc ...

ps. dont drink this milkshake , it is just chocolate and vanilla ( theres not even milk in it )
8 0
3 years ago
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