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Sholpan [36]
3 years ago
6

3 7/8- 3/8 I really need help!

Mathematics
2 answers:
garri49 [273]3 years ago
7 0
The answer is........


3 1/2

It would get you 3 4/8 then you simplify it to 3 1/2
Eddi Din [679]3 years ago
4 0

Answer:

<u />3\frac{1}{2}<u />

Step-by-step explanation:

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Mike and John are the partners in a local bar who invest in a ratio of 7:13, respectively. They started the business with $1.5M.
Mamont248 [21]

Answer:

A) $525,000

B) $975,000

C) 35%

Step-by-step explanation:

To solve A) and B), divide the total amount of money by the sum of the parts of the ratio (7 + 13 = 20, in this case), and then multiply this by the person's portion of the ratio. This is because you are finding the worth of '1 part', and are then multiplying it to find how much money all their parts are worth together.

To solve C), take a person's portion of the ratio, divide it by the sum of the portions of the ratio and then multiply by 100% to get a percentage. In this case, 7/(7 + 13) * 100% = 7/20 * 100% = 0.35 * 100% = 35%.

7 0
3 years ago
If a number has 2 and 6 as factors then it has 12 as a factor
zhuklara [117]

Answer:

yes

Step-by-step explanation:

2,4,6,8,10,12 so on

6 0
3 years ago
Read 2 more answers
Let f be continuous on [0, a] and differentiable on (0, a), Prove that if f(a)=0 then there is at least one value of x in (0, a)
asambeis [7]

Answer:

See picture attached

Step-by-step explanation:

6 0
3 years ago
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3 years ago
How many liters of 60% alcohol solution should be added to 40 liters of a 20% alcohol solution to make a 50% solution?
kolbaska11 [484]

Answer:

120 liters of 60% alcohol solution is needed

Step-by-step explanation:

Let's assume

x liters of 60% alcohol solution  is added

so, we  get solution as

=\frac{60}{100}\times x

=0.6x

we are given

40 liters of a 20% alcohol solution is

=40\times\frac{20}{100}

=40\times\frac{20}{100}

=8

so, total alcohol solution is

=8+0.6x

now, we can find total solutions

total solutions is

=x+40

now, it is making 50% solution

so, we get

\frac{8+0.6x}{x+40} =\frac{50}{100}

now, we can solve for x

\left(8+0.6x\right)\cdot \:100=\left(x+40\right)\cdot \:50

800+60x=50x+2000

10x=1200

x=120

So,

120 liters of 60% alcohol solution is needed

4 0
3 years ago
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