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ValentinkaMS [17]
2 years ago
15

What does u equal in 4/5u=8

Mathematics
2 answers:
AveGali [126]2 years ago
7 0

Answer:

u = 10

Step-by-step explanation:

Solve for u by simplifying both sides of the equation, then isolating the variable.

Stells [14]2 years ago
3 0
First,by cross multiply 5u by 8
It gives 40u then dividing both sides by 40 it gives 1/10
You might be interested in
How are adding, subtracting, dividing, and multiplying rational expressions are similar and different?
Arisa [49]

Rational expressions are multiplied and divided the same way numeric fractions are.

6 0
3 years ago
What is the value of (3/10)3
Elenna [48]

Answer:

\frac{9}{10}

Step-by-step explanation:

In this question, one is asked to multiply a fraction by a whole number, first model the question.

\frac{3}{10}(3)

In a situation like this, one multiplies the whole number by the numerator (number) over the fraction.

\frac{3*3}{10}

Simplify,

\frac{9}{10}

A common error that people make is that they will multiply both the numerator and denominator by the whole number, this is the same as multiplying the answer by (1), thus it is incorrect.

6 0
3 years ago
Which one is it , help me on this please please please please please please please
snow_tiger [21]

Answer:

D

Step-by-step explanation:

7^-2 = 1/7^2

The negative means you flip it

1/7^2 times 7^6 is 7^6/7^2 (just multiply).

using rules of exponents, 7^6/7^2 is 7^4 (just subtract 2 from 6)

D is the only one that equals 7^4, as 2 times 2 is 4.

4 0
3 years ago
Can anyone please help with this.
Eddi Din [679]
The first question answer is 21*10^7
The second question answer is 5*10^2
7 0
4 years ago
Which expression has a value of 15, using only four 4s and any of the following: + , – , · , ÷, exponents, and/or parentheses? A
Simora [160]
Hello :
<span>C.)     (4 · 4) – (4 ÷ 4) =16-1=15</span>
5 0
4 years ago
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