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3 years ago

5

What is

4} " alt="5 \div \frac{1}{4} " align="absmiddle" class="latex-formula">

1 answer:

konstantin123 [22]3 years ago

5 0

20 explained 5/1 divided by 4/1

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3x +15=75 what is the value of x

kifflom [539]

Answer:

X=20

you subtract 15 from 75 to get 60 then divide 60 by 3 to get 20

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3 years ago

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If i divide 3/4 with 2/5 what would the answer be

Talja [164]

Answer:

The asnwer i fro 5/2 iss 2.5 and the other question is the answer is 1.3 is we add now is 3.8

Step-by-step explanation:

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Convert 1.4x10^-8 to standard notation/long form

andriy [413]

Answer:

0.000000014

Step-by-step explanation:

1.4 × $10^{-8}$ = $\frac{1.4}{10^8 = 100000000}$ = 0.000000014

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3 years ago

Find the dimensions of an open rectangular box with a square base that holds 2000 cubic cm and is constructed with the least bui

Vesnalui [34]

<h3>The dimensions of the given rectangular box are:</h3><h3>L = 15.874 cm , B = 15.874 cm , H = 7.8937 cm</h3>

Step-by-step explanation:

Let us assume that the dimension of the square base = S x S

Let us assume the height of the rectangular base = H

So, the total area of the open rectangular box

= Area of the base + 4 x ( Area of the adjacent faces)

= S x S + 4 ( S x H) = S² + 4 SH ..... (1)

Also, Area of the box = S x S x H = S²H

⇒ S²H = 2000

$\implies H = \frac{2000}{S^2}$

Substituting the value of H in (1), we get:

$A = S^2 + 4 SH = S^2 + 4 S(\frac{2000}{S^2}) = S^2 + (\frac{8000}{S})\\\implies A = S^2 + (\frac{8000}{S})$

Now, to minimize the area put :

$(\frac{dA}{dS} ) = 0 \implies 2S - \frac{8000}{S^2} = 0\\\implies S^3 = 4000\\\implies S = 15.874 \approx 16 cm$

Putting the value of S = 15.874 cm in the value of H , we get:

$\implies H = \frac{2000}{S^2} = \frac{2000}{(15.874)^2} = 7.8937 cm$

Hence, the dimensions of the given rectangular box are:

L = 15.874 cm

B = 15.874 cm

H = 7.8937 cm

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3 years ago

What is the value of the digit in the hundred thousands place in the number 178,632 ?

Veronika [31]

The 1. (178,632)
Remember, one hundred thousand is = 100,000

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