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IrinaVladis [17]
3 years ago
9

IF YOU SHOW THE WORK AND HOW YOU GOT THE ANSWER IF ITS RIGHT I WILL GIVE BRAINLEY 1.At Parker’s Pizza Parlor, the total cost of

an order of 5 slices of pizza is $12.37. This price includes $1.12 in sales tax. Let p represent the cost of 1 slice of pizza.
Mathematics
1 answer:
Sladkaya [172]3 years ago
8 0

Answer:

CBenson1031

Step-by-step explanation:

p = 5 ÷ (12.37 - 1.12)

p = 5 ÷ 11.25

p = 2.25

Step-by-step explanation:

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Find the Value of 8 1/3
Inessa [10]
8^{ \frac{1}{3} } =  \sqrt[3]{8}  = 2

8^{ \frac{2}{3} } =  \sqrt[3]{8^2} =  \sqrt[3]{64}  = 4
8 0
3 years ago
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}

6 0
4 years ago
The perimeter of the first rectangle below is 120 inches. The perimeter of the second rectangle is 180 inches. What are the valu
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Answer:

A

Step-by-step explanation:

5 0
3 years ago
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The amount of time Ricardo spends brushing his teeth follows a Normal distribution with unknown mean and standard deviation. Ric
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Let X denote the number of minutes spent brushing his teeth, and let \mu be the mean and \sigma the standard deviation for this distribution.

\mathbb P(X

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\dfrac{1-\mu}\sigma=-0.2533\iff\mu-0.2533\sigma=1

Next, (note the sign change)

\mathbb P(X>2)=0.02\implies\mathbb P(X\le2)=\mathbb P\left(\dfrac{X-\mu}\sigma\le\dfrac{2-\mu}\sigma\right)=0.98

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\dfrac{2-\mu}\sigma=2.0538\iff\mu+2.0538\sigma=2

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