3 years ago

PLEASE HELP FAST

Mathematics

1 answer:

Rzqust [24]3 years ago

8 0

Answer:

a)2 is a factor of 12

Step-by-step explanation:

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A company has two types of machines, type R and type S. Operating at a constant rate, a machine of type R does a certain job in

SashulF [63]

Answer:

The number of machines to complete job in 2 hours is 6.

Step-by-step explanation:

Using the relation of the rate of each one machine and knowing that adding up both rates.

$Rate R +Rate S= Rate total$

Rate R = $\frac{x}{36}$ 'x' is the job

Rate S = $\frac{x}{18}$ 'x' is the job

So, using the equation of rates

$Rate total =\frac{x}{36} + \frac{x}{18}$

Rate total is going to be a job in 2 hours so = $\frac{1}{2}$

$\frac{1}{2} = \frac{x}{36}+\frac{x}{18}$ adding up

$\frac{1}{2}= x*\frac{3}{36}$ factoring the x

$\frac{1}{2}= x*\frac{1}{12}$ simplifying

x= $\frac{12}{2} \\$

x= 6

3 0

2 years ago

Please help me quick ASAP!!

Crank

A hope this helps
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3 years ago

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Two airplanes left the same airport and arrived at the same destination at the same time. The first airplane left at 8:00 a.m. a

liberstina [14]

First plane: 496x
Second plane: 558( x - 1/2) 

Equation: 496x = 558( x - 1/2) 

Solving x = 9/2 , or x = 4.5 hours.

Hope this helps.

7 0

2 years ago

Easy question right here!

Bad White [126]

12 glad I could help!

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10 Tom a reçu un montant d'argent en héritage.

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