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3 years ago

PLS PLS PLSSSSS HELP ASAP

Mathematics

2 answers:

Verizon [17]3 years ago

8 0

Answer:

what do you need help with

Licemer1 [7]3 years ago

6 0

Answer:

Step-by-step explanation:

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Sofia knitted a rectangular Afghan that has an area of 24 square feet if the length of the Afghan is 2 yards what is the width i

Anna11 [10]

Answer:

12 yards

Step-by-step explanation:

Area= L x W

12x2=24

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3 years ago

Please help me I don't know

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4 years ago

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X is greater or equal to 2

kenny6666 [7]

Answer:

depends on what X is

Step-by-step explanation:

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3 years ago

Using trig ratios to find the missing side or angle of a right triangle

goldfiish [28.3K]

$\\ \sf\longmapsto cos31=\dfrac{12}{x}$

$\\ \sf\longmapsto 0.85=\dfrac{12}{x}$

$\\ \sf\longmapsto x=\dfrac{12}{0.85}$

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3 years ago

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An inlet pipe on a swimming pool can be used to fill the pool in 33 hours. The drain pipe can be used to empty the pool in 34 ho

Talja [164]

<u>Answer: </u>

An inlet pipe on a swimming pool can be used to fill the pool in 33 hours. Time it will take to fill the pool = 748 hrs

<u>Solution: </u>

Let x = time it will take to fill the pool

$\frac{1}{33}$ = work rate of inlet pipe

$\frac{1}{34}$ = work rate of drain pipe

Using the formulae

Volume of flow=work rate $\times$ time

Let us assume complete time of pool to fill = 1

Remaining fraction of pool to be filled = $1-\frac{1}{3}=\frac{2}{3}$

$\begin{array}{l}{\frac{1}{33} x-\frac{1}{34} x=\frac{2}{3}} \\\\ {\frac{x}{33}-\frac{x}{34}=\frac{2}{3}}\end{array}$

$\frac{34 x-33 x}{33 \times 34}=\frac{2}{3}$

$34 x-33 x=\frac{2 \times 34 \times 33}{3}$

$\begin{array}{l}{x=\frac{2244}{3}} \\\\ {x=\frac{3168}{3}} \\\\ {x=748}\end{array}$

Time it will take to fill the pool = 748 hrs

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3 years ago