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3 years ago

Noam solved the equation for k using the following calculations

Mathematics

2 answers:

Mandarinka [93]3 years ago

6 0

The mistake here was the .6 was treated as .06. Adding 7.6 to 10.35 really gives 17.95.

ANEK [815]3 years ago

4 0

Answer:

He should have subtracted 7.6 instead of adding it.

Step-by-step explanation:

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(5n-1)(n+1)=0 factory

gavmur [86]

Answer:

5n^2+(4n)-1

Step-by-step explanation:

(5n-1)(n+1)=0

Lets find <em>n.</em>

(5n-1)(n+1)=0

FOIL it.

5n^2+5n-1n-1

Add/Substract similar factors

5n^2+(5n-1n)-1

5n^2+(4n)-1

Thats your answer.

3 0

3 years ago

4(a + 10) = 80 find a

Harman [31]

Answer:

Step-by-step explanation

4(a+10) = 80

4a+40=80

4a=40

a=10

6 0

3 years ago

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A person jogs 1/8 mile in 1/32 hour. What is the persons speed per hour

bogdanovich [222]

1/8 * 32 = 4mph that is the correct answer

4 0

4 years ago

Read 2 more answers

What is<br> 3a+6b= 4 for b<br> Really need help

saw5 [17]

3a+6b=4

-3a both sides

6b=4-3a

÷6 both sides

b=2/3 -1/2 a

5 0

3 years ago

Fraction with a denominator of 10 can be written as an equivalent fraction with

AVprozaik [17]

Answer:

9/10 is 90%

Step-by-step explanation:

You just make it a percentage

5 0

3 years ago