3 years ago

Please help with 2 quick questions?

Mathematics

1 answer:

hjlf3 years ago

5 0

The answer is A for logical reasons

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2/5 x 2/7 x 5/9 as a fraction in the simplest form

julsineya [31]

Answer:

4/63

Step-by-step explanation:

(2/5)(2/7)(5/9)=(4/35)(5/9)=(4/7)(1/9)=4/63

7 0

4 years ago

Kathy had $10 and gave half of it to her brother. She then gave a third of the remaining

liq [111]

Kelly has $10

- half: $10 - 1/2 x $10

$10 - $5 = $5

- one third: $5 - 1/3 x $5

$5 - $1.6667... or $5 - $1 and 2/3 = $3.33... or $3 and 1/3 or $10/3

She will have left $3.33 left, or $3 and 1/3

3 0

3 years ago

I need help with this question please

lutik1710 [3]

Answer:

Average rate of change is - 1/6 or -0.166…

Step-by-step explanation:

${ \tt{f(x) = \frac{1}{x - 5} }}$

f(-1):

${ \tt{f( - 1) = \frac{1}{( - 1 - 5)} }} \\ = { \tt{ - \frac{1}{6} }}$

f(3):

${ \tt{f(3) = \frac{1}{3 - 5} }} \\ = { \tt{ - \frac{1}{2} }}$

Average rate of change:

$= { \bf{ \frac{f(3) - f(-1)}{2} }}$

${ \tt{ = \frac{ - \frac{1}{2} - ( - \frac{1}{6} ) }{ 2 } }} \\ \\ = { \tt{ - \frac{1}{6} }}$

4 0

3 years ago

Read 2 more answers

Which of the numbers below are whole numbers? Check all that apply.

horrorfan [7]

Whole numbers have no decimal place so answer : B D F - because they have no decimal place.

Hope this helps

4 0

3 years ago

Why does it take 2 copies of 1/8 to show the same amout as 1 copy of 1/4?

Leya [2.2K]

2 of 1/8 would be 2/8 so that simplified is 1/4 thats why theyre the same

7 0

3 years ago

Read 2 more answers