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djverab [1.8K]
3 years ago
11

Can someone please tell me that answer in simplest form

Mathematics
2 answers:
Bezzdna [24]3 years ago
5 0
The answer in simplest for would be 7/8. What you basically do is multiply 7/10 by the reciprocal of 4/5 and that gives u the answer.
Valentin [98]3 years ago
4 0

To solve (7/10) / (4/5), we must remember how to divide fractions - it is the same as multiplying the fractions except we take the reciprocal of the second fraction. This is modeled below:

7/10 * 5/4

Next, we multiply both the numerators and the denominators together, creating one, larger, fraction.

(7 * 5) / ( 10 * 4) = 35/40

To simplify this fraction, we have to divide both the numerator and the denominator by the GCF, or greatest common factor, of 5.

(35/5) / (40/5) = 7/8

Therefore, your answer is 7/8.

Hope this helps!

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Please help! im bad at this!
mart [117]
What type of math is this, is this algebra?
6 0
3 years ago
Which problem could be solved by evaluating the expression 7 x (-3)?​
Tasya [4]

Answer:

The answer is -21

Step-by-step explanation:

To find the answer just multiply 7 by 3 and that's 21, so just add a negative sign to 21 and you get -21. I hope this helps :) please give me brainliest :)

6 0
3 years ago
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Carmel can drive 320 miles on tank of gas and one tankful costs $39. How many tanks of gas will she need to drive 2,240 miles an
Umnica [9.8K]
Carmel would need 7 gas tanks. (2,240 ÷ 320 = 7)
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4 0
3 years ago
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I don’t know how to solve this problem,
xxTIMURxx [149]

Answer:

380/week

Step-by-step explanation:

all u do is 1520 divide by 4 (bc he makes 1520 in 4 weeks) and that would equal 380 per week.

hoped that helped:P

6 0
2 years ago
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How to do this question plz answer ​
harina [27]

9514 1404 393

Answer:

  300

Step-by-step explanation:

There are 25 ways to select the first student. After that student is removed from the selection pool for the second student, there are 24 ways to select the second student. This gives 25·24 = 600 ways to select 2 students <em>in a particular order</em>.

Since we don't care about the order, we can divide this number by the number of ways two students can be ordered: AB or BA, 2 ways.

  600/2 = 300

There are 300 ways to pick a combination of two students from 25.

__

<em>Additional comments</em>

This sort of selection (2 out of 25) has a formula for it, and an abbreviation for the formula.

 "n choose k" can be written nCk or C(n, k)

The function is a ratio of factorials:

  nCk = n!/(k!(n-k)!)

If you can typeset this, it is written ...

  \displaystyle\binom{n}{k}=\frac{n!}{k!\cdot(n-k)!}

This is different from the formula for the number of <em>permutations</em> of n things taken k at a time. That would be written nPk or P(n, k) = n!/(n-k)!.

5 0
2 years ago
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