3 years ago

4 workers require 5.5 m of mortar for 3 days when working 8 hours a day.

Mathematics

1 answer:

charle [14.2K]3 years ago

3 0

Sorry I'm not sure how to solve this one but maybe you have to multiply

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Given a≠±b and a^2−b^2 / a+b =12, find a−b.

Olegator [25]

Answer:

a-b=12

Step-by-step explanation:

(a²-b²)/(a+b) = 12

(a-b)(a+b)/(a+b)=12

a-b=12

3 0

3 years ago

Can u solve this for me??

dangina [55]

Answer:

19 lawns

Step-by-step explanation:

well 64.99 is about $65

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3 years ago

one rectangle has a length 10 cm and width 5 cm the second rectangle has length 12 cm and width 4 cm are the two rectangles simi

tatuchka [14]

Answer:

No, they aren't similar.

Step-by-step explanation:

<u><em>Let's take the proportionality of their sides to check whether they are similar or not:</em></u>

$\frac{10}{5} = \frac{12}{4}$

=> 2 ≠ 3

So, they are not similar.

8 0

3 years ago

What is the solution to -2(5y-5)-3y

Alenkasestr [34]

10-13y

hope this helps

7 0

3 years ago

Read 2 more answers

Joan waters her plants each day with gallons of water. With a new irrigation system in place, she uses gallons of water each day

vampirchik [111]

Answer:

$172\frac{1}{2}$ gallons

Step-by-step explanation:

Considering she waters her plants with 25 1/2 gallons i.e 51/2

and with the new system, she does it with 19 3/4 i.e 79/4

taking the difference:

$\frac{51}{2} - \frac{70}{4}$ = $\frac{23}{4}$ gallons per day

For 30 days:

30 x $\frac{23}{4}$ = 172.5 or $172\frac{1}{2}$ gallons

8 0

3 years ago