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icang [17]
3 years ago
11

Write an expression for the calculation double 7, multiply 3 and 1, and then subtract the second number from the first number

Mathematics
1 answer:
damaskus [11]3 years ago
6 0
7+7=14 3×1=3 3-7=4 Your answer is 4
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Repost: Каков объем этой прямоугольной призмы?
torisob [31]

So first of all we should know that the <u>rectangular prism is a cuboid.</u>

\\  \\

<h3>Given :-</h3>
  • heigth = 9 in.
  • Length = 5 in.
  • Width = 4 in.

\\

<h3>To find:-</h3>
  • Volume of cuboid.

\\

<h3>Solution:-</h3>

We know:-

\bigstar \boxed{ \rm volume \: of \: cuboid = length \times width \times height}

\\  \\

So:-

\dashrightarrow \sf volume \: of \: cuboid = length \times width \times height \\

\\  \\

\dashrightarrow \sf volume \: of \: cuboid = 9 \times 5 \times 4 \\

\\  \\

\dashrightarrow \sf volume \: of \: cuboid = 45 \times 4 \\

\\  \\

\dashrightarrow \bf volume \: of \: cuboid = 180 {in}^{3}  \\

Therefore option C is correct .

\\  \\

<h3>know more:-</h3>

\\  \\

\begin{gathered}\begin{gathered}\: \: \: \: \: \: \begin{gathered}\begin{gathered} \footnotesize{\boxed{ \begin{array}{cc} \small\underline{\frak{\pmb{ \red{More \: Formulae}}}} \\ \\ \bigstar \: \bf{CSA_{(cylinder)} = 2\pi \: rh}\\ \\ \bigstar \: \bf{Volume_{(cylinder)} = \pi {r}^{2} h}\\ \\ \bigstar \: \bf{TSA_{(cylinder)} = 2\pi \: r(r + h)}\\ \\ \bigstar \: \bf{CSA_{(cone)} = \pi \: r \: l}\\ \\ \bigstar \: \bf{TSA_{(cone)} = \pi \: r \: (l + r)}\\ \\ \bigstar \: \bf{Volume_{(sphere)} = \dfrac{4}{3}\pi {r}^{3} }\\ \\ \bigstar \: \bf{Volume_{(cube)} = {(side)}^{3} }\\ \\ \bigstar \: \bf{CSA_{(cube)} = 4 {(side)}^{2} }\\ \\ \bigstar \: \bf{TSA_{(cube)} = 6 {(side)}^{2} }\\ \\ \bigstar \: \bf{Volume_{(cuboid)} = lbh}\\ \\ \bigstar \: \bf{CSA_{(cuboid)} = 2(l + b)h}\\ \\ \bigstar \: \bf{TSA_{(cuboid)} = 2(lb +bh+hl )}\\ \: \end{array} }}\end{gathered}\end{gathered}\end{gathered}\end{gathered}

6 0
2 years ago
Determine whether​ rolle's theorem applies to the function shown below on the given interval. if​ so, find the​ point(s) that ar
snow_tiger [21]

Since the function is continuous between x = 0 and x = 44 then Rolle's theorem applies here.

Differentiating

y' = x * 2(x - 44) + (x - 44)^2

y' = 3x^2 - 176x + 1936 = 0 (at a turning point).

solving we get x = 44 , 14.67

y" = 6x - 176 which is negative for x = 14.67 so this gives a maximum value for f(x)

This maximum is at the point (14.67, 12,619.85)

There is a minimum at ( 44,0)

These are the required points

5 0
3 years ago
Help please!<br> And thank u
Radda [10]
A/7 + a/3 = 10
a = 21
6 0
3 years ago
Read 2 more answers
Nicolet wants to buy a new state of the art computer for R35 000. She decides to save by depositing an amount of R500 once a mon
sineoko [7]

Answer:

54.72 months

Step-by-step explanation:

Given:

Future value = R35,000

Annuity = R500

Interest = 11.32% per year

Interest per month, r = \frac{11.32}{12} = 0.943% = 0.00943

Let 'n' be the total time in months taken

Now,

Future value of annuity is calculated using the formula as:

\textup{Future value}=\textup{Annuity}\times[\frac{(1+r)^n-1}{r}]

on substituting the respective values, we get

35000=500\times[\frac{(1+0.00943)^n-1}{0.00943}]

or

70=[\frac{(1.00943)^n-1}{0.00943}]

or

1.6601 = 1.00943ⁿ

taking log both sides, we get

log(1.6601) = n × log(1.00943)

or

0.22= n × 0.00402

or

n = 54.72  months

8 0
3 years ago
Y=−5 −10x when x=−2<br> whats y?
sergejj [24]

Answer: 6 is the awnser

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
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