4) BRAINLIEST AND 10 + POINTS! :) PLS HELP ASAP

Mathematics

1 answer:

GrogVix [38]4 years ago

5 0

Answer:

b. 2.4 hours

Step-by-step explanation:

Since, William completes in 4 hrs and Stephanie in six hrs.

$William's\: 1 \: hours \: job = \frac{1}{4} \\ Stephanie's \: 1 \: hours \: job = \frac{1}{6} \\ 1 \: hours \: work \: of \: both \: together \\ = \frac{1}{4} + \frac{1}{6} = \frac{6 + 4}{24} = \frac{10}{24} \\ total \: time \: taken \: to \: complete \: the \: job \\ = \frac{24}{10} \\ = 2.4 \: hours$

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Solve this linear equation for p:<br> 2.6(5.5p – 12.4) = 127.92

Ymorist [56]

HI :)
First we must distribute the 2.6 to everything inside the ()

The new equation would then be
14.3p-32.24 = 127.92

Then you would add a -32.24 to each side of the equal sign, so that the 32.34 would become a zero pair on the right side of the equal sign and cancel.

The new equation would then be
14.3p = 160.16

Then you divide each side of the = by 14.3, that way the p becomes isolated.
14.3p/14.3 = 160.16/14.3

Then you're left with
p = 11.2

Hope this helped :)

3 0

3 years ago

Read 2 more answers

What is the solution to the equation shown below?

Ann [662]

Answer:

Step-by-step explanation:

Here you go mate

Step 1

2/3x+5=1 Equation

Step 2

2/3x+5=1 Simplify