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4 years ago

7

Which is the solution of

c{t}{2.5} = -5.2" alt="\frac{t}{2.5} = -5.2" align="absmiddle" class="latex-formula">

1 answer:

never [62]4 years ago

4 0

Answer:

t/2.5=-5.2

t=-5.2 * 2.5

t=-13

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Plz help me with these math questions

Akimi4 [234]

For b on the first paper you will start with the distribution property and multiply both x and 2 by 3 because they are in the ()
now you have 3x+ 6=x-18
from here you can subtract x from both sides
2x+6=-18
next subtract 6 from both sides
2x=-24
divide both sides by 2...
x=-12
hope this helped

8 0

3 years ago

8 cleaners can clean an office in 3 hours,if the block needs to be cleaned in 2 hours,how many cleaners will be needed?

romanna [79]

Answer:

12 cleaners

Step-by-step explanation:

8 cleaner can clean in 3 hours = 1 office

1 cleaner can clean in 3 hours = $\frac{1}{8}$ part of job

1 cleaner can clean in 1 hours = $\frac{1}{3 \times 8}$ part of job

Let the number of cleaner required to finish the job in 2 hours = x

hence

x cleaner can clean in 1 hours = $\frac{1 \times x }{24}$ part of job

x cleaner can clean in 2 hours = $\frac{2 \times x }{24}$ part of job

Hence

$\frac{2 \times x }{24}=1$

$\frac{2x}{24}=1$

$2x=24$

$x=12$

Hence we need 12 men to complete the same job in 2 hours

4 0

3 years ago

Number 4 please!!!!!

Kazeer [188]

Answer:9787987987987987899999999888888888888888888'

Step-by-step explanation:

that that that 14523095480239845023984203984230482309423094823029834

8 0

3 years ago

What does 3.5 repeated equal to in fractions

solmaris [256]

x=3.555555555

10x=35.55555555

subtract the first equation from the second

10x=35.55555555

- x=3.555555555

----------------------------------

9x = 32

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8 0

3 years ago

An owner of an repair service Company eliminates that for every 30 hours a repair person is on the job he can bill for only 72%

vredina [299]

Answer: He is idle for 8.4 hours.

Step-by-step explanation:

Since we have given that

Number of hours he repairs =30 hours

Percentage of hours he worked = 72%

Remaining percentage of hours he remains idle is given by

$100-72\\\\=28\%$

So, Number of hours he is idle for a driving is given by

$0.28\times 30\\\\=8.4\ hours$

Hence, he is idle for 8.4 hours.

6 0

3 years ago