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3 years ago

12

Ben's living room is a rectangle measuring 10 yards by 168 inches. by how many feet does the length of the room exceed the width

? please show work.please help! thank you! >-<

1 answer:

rjkz [21]3 years ago

5 0

Since you are going in feet first calculate10 yards into feet and then 168 inches into feet. Then subtract the two. Hope that helped :)

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Let f(x) = (5)^x+1 .Evaluate f (-3) without using a calculator

rewona [7]

Answer:

$f\left(-3\right)=\frac{126}{125}$

Step-by-step explanation:

Given

$f\left(x\right)\:=\:\left(5\right)^x+1$

Putting x = -3 to find f(-3)

$f\left(-3\right)\:=\:\left(5\right)^{\left(-3\right)}+1$

as

$5^{-3}=\frac{1}{125}$ ∵ $\mathrm{Apply\:exponent\:rule}:\quad \:a^{-b}=\frac{1}{a^b}$

so

$f\left(-3\right)=\frac{1}{125}+1$

$\mathrm{Convert\:element\:to\:fraction}:\quad \:1=\frac{1\cdot \:125}{125}$

$f\left(-3\right)=\frac{1\cdot \:\:125}{125}+\frac{1}{125}$

$\mathrm{Since\:the\:denominators\:are\:equal,\:combine\:the\:fractions}:\quad \frac{a}{c}\pm \frac{b}{c}=\frac{a\pm \:b}{c}$

$f\left(-3\right)=\frac{1\cdot \:\:125+1}{125}$

$f\left(-3\right)=\frac{126}{125}$ ∵ $1\cdot \:125+1=126$

Thus,

$f\left(-3\right)=\frac{126}{125}$

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Firlakuza [10]

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Which of the following points is on the graph of y=x^2-4x+5 ?

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Answer:

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Step-by-step explanation:

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2 years ago

Joe decides to take his six year old son to the planetarium. The price for the child's ticket is 5.75 dollars less than the pric

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To answer this item, we are instructed that the price of the ticket for the children is equal to x. Since, we are also given that this is 5.75 less than the price of tickets for the adults, we may express this as follows,

x = n - 5.75

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n = x + 5.75

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2 years ago

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borishaifa [10]

Answer:

Step-by-step explanation:

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$\frac{sin55}{175}=\frac{sin42}{a}$ and solving for a:

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2 years ago