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kramer
4 years ago
13

James buys sand to fill a sandbox that is shaped like a rectangular prism. The sandbox has a square base with a side length of 0

.5 yards and a height of 0.4 yards. The store sells sand for $34 per cubic yard. How much does James spend on sand?
Mathematics
1 answer:
saveliy_v [14]4 years ago
4 0
He will spend $3.4 on sand. Hope it help!
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A tea vendor gives samples of tea in cone shaped cups. The cups have a diameter of 4 inches and a height of 5 inches. If there a
Neko [114]

One sample cup will hold 11.51 ounces of fluid.

Step-by-step explanation:

Diameter of cone shaped cup = 4 inches

Radius = \frac{Diameter}{2}=\frac{4}{2}=2\ inches

Height of cup = 5 inches

Volume of cone = \pi r^2 \frac{h}{3}

Putting values

Volume of cone = 3.14*(2)^2*\frac{5}{3}\\

Volume of cone = 3.14*4*\frac{5}{3}=\frac{62.8}{3}

Volume of cone = 20.93 inches cubed

Amount of fluid in one cubic inch = 0.55 ounces

Amount of fluid in 20.93 cubic inches = 0.55*20.93 = 11.51 ounces

One sample cup will hold 11.51 ounces of fluid.

5 0
4 years ago
Helppppp pleaseeee grade 3 maths problem
ZanzabumX [31]

Answer:

Number who walk to school = 16

Step-by-step explanation:

If there are 42 students, and 23 girls, there must be 19 boys since 19 + 23 = 42.

If ten girls walk to school, then there are 13 girls left to sort.

Since 7 of the 11 students on the bus are boys, that means 4 girls ride the bus too, so we have 9 girls left.

All we have left is cycling, so 9 girls must cycle to school.

Now, all we have to do is add 6 and 7 since 6 boys bike and 7 boys ride the bus. That equals 13 boys who do not walk.

19 boys total - 13 boys who dont walk = 6 boys that walk.

6 + 10 = 16

Number who walk to school = 16

7 0
3 years ago
Given that z is inversely proportional to t. When t = 9,z = 28. Find a) the value of z when t = 12 b) the value of t when z = 36
Kazeer [188]

\qquad \qquad \textit{inverse proportional variation} \\\\ \textit{\underline{y} varies inversely with \underline{x}} ~\hspace{6em} \stackrel{\textit{constant of variation}}{y=\cfrac{\stackrel{\downarrow }{k}}{x}~\hfill } \\\\ \textit{\underline{x} varies inversely with }\underline{z^5} ~\hspace{5.5em} \stackrel{\textit{constant of variation}}{x=\cfrac{\stackrel{\downarrow }{k}}{z^5}~\hfill } \\\\[-0.35em] \rule{34em}{0.25pt}

\stackrel{\textit{"z" inversely proportional to "t"}}{z=\cfrac{k}{t}}\qquad \textit{we also know that} \begin{cases} t=9\\ z=28 \end{cases} \\\\\\ 28=\cfrac{k}{9}\implies 252=k~\hfill \boxed{z=\cfrac{252}{t}} \\\\\\ \textit{when t = 12, what is "z"?}\qquad z=\cfrac{252}{12}\implies z=21 \\\\\\ \textit{when z = 36, what is "t"?}\qquad 36=\cfrac{252}{t}\implies t=\cfrac{252}{36}\implies t=7

3 0
2 years ago
What is the average rate of change of f over the interval [-3,9] Give an exact number.
hammer [34]
450 times 87 plus 14 equals 69
3 0
3 years ago
1. 4/10 + 30/100 , 2. 60/100+2/10 , 3. 9/10 + 10/100 , 4.70/100+2/10 , 5.1/10 + 40/100
Ymorist [56]

Answer

do I add the numbers in faction form

Step-by-step explanation:

<u>1.</u>  4/10 + 30/100 = 7/10

<u>2.</u> 60/100+2/10 = 4/5

<u>3.</u> 9/10 + 10/100 = 1

<u>4.</u> 70/100+2/10 = 9/10

<u>5.</u> 1/10 + 40/100 = 1/2

You just have to make them common denominator and simplify

6 0
3 years ago
Read 2 more answers
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