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4 years ago

If you sell 20 units a week and you have 100 units in inventory, how many weeks of inventory do you have

Mathematics

1 answer:

Lubov Fominskaja [6]4 years ago

7 0

Answer:

5 weeks of inventory

Step-by-step explanation:

100 / 20 = 5 weeks

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Victor picked 18 peaches. Rita picked p times as many peaches as Victor. Choose the expression that shows how many peaches Rita

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3 years ago

Because of an increase of 4% in wholesale prices, a shoe store had to mark up its new stock by the same percent. What was the ne

Mamont248 [21]

Answer:the new price of the shoe is $5

Step-by-step explanation:

The price at which the shoe has been selling is $25.

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4/100 × 25 = 0.04 × 25 = $1

Therefore, the new price of the shoe would be

4 + 1 = $5

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4 years ago

Write an equation which says that distance d equals the product of rate of travel r and time traveled i.

Rzqust [24]

Answer:

d = r * i

Step-by-step explanation:

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3 years ago

What is sin θ when sec θ = square root of 5? Rationalize the denominator if necessary.

alexandr1967 [171]

$\bf sec(\theta )=\sqrt{5}\implies \cfrac{1}{cos(\theta )}=\sqrt{5}\implies \cfrac{\stackrel{adjacent}{1}}{\stackrel{hypotenuse}{\sqrt{5}}}=cos(\theta )~\hfill \leftarrow \stackrel{\textit{let's find the}}{\textit{opposite side}} \\\\\\ \textit{using the pythagorean theorem} \\\\ c^2=a^2+b^2\implies \pm\sqrt{c^2-a^2}=b \qquad \begin{cases} c=hypotenuse\\ a=adjacent\\ b=opposite\\ \end{cases}$

$\bf \pm\sqrt{(\sqrt{5})^2-1^2}=b\implies \pm\sqrt{5-1}=b\implies \pm\sqrt{4}=b\implies \pm 2=b \\\\[-0.35em] ~\dotfill\\\\ sin(\theta )=\pm\cfrac{\stackrel{opposite}{2}}{\stackrel{hypotenuse}{\sqrt{5}}}\implies \stackrel{\textit{rationalizing the denominator}}{\pm\cfrac{2}{\sqrt{5}}\cdot \cfrac{\sqrt{5}}{\sqrt{5}}\implies \pm\cfrac{2\sqrt{5}}{(\sqrt{5})^2}\implies \pm\cfrac{2\sqrt{5}}{5}}$

7 0

3 years ago

Read 2 more answers

A university researcher wants to estimate the mean number of novels that seniors read during their time in college. An exit surv

Irina-Kira [14]

Answer:

(5.240 ; 8.760)

Step-by-step explanation:

Given :

Sample mean, xbar = 7

Standard deviation, s = 2.29

Sample size, n = 9

95% confidence interval for the population mean :

Confidence interval :

Xbar ± Margin of error

Margin of Error = Tcritical * s/sqrt(n)

Tcritical at 0.05 ; df = 8 = 2.306

Margin of Error = 2.306 * 2.29/sqrt(9)

Margin of Error = 1.760

Lower boundary = (7 - 1.760) = 5.240

Upper boundary = (7 + 1.760) = 8.760

(5.240 ; 8.760)

4 0

3 years ago