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11111nata11111 [884]

3 years ago

14

How do you type 40:16 ratio in to simplest form

2 answers:

Blizzard [7]3 years ago

7 0

5:2
because you need to divide them by 8 to get to simplest form

LiRa [457]3 years ago

3 0

5:2 is the simplest form

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Jill is going to multiply a whole number greater than zero by 5. The last digit in the product will either be 0 or what other nu

IRINA_888 [86]

Every number times 5 the last digital number will be 5 or 0

8 0

3 years ago

Which cube is a unit cube?

liq [111]

Answer:

The answer is (C)

Step-by-step explanation:

because unit cube, more formally a cube of side 1, is a cube whose sides are 1 unit long .The volume of a 3-dimensional unit cube is 1 cubic unit, and its total surface area is 6 square units.

7 0

3 years ago

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Points A and B lle in plane R. line AB does not lle in plane R.<br> sometimes<br> always<br> never

Kobotan [32]

Answer: The answer is never

Step-by-step explanation: The question has been presented in a complicated manner. I am answering the question based on my understanding. Line AB will never lie in plane R. The correct option among all the options that are given in the question is the third option. I hope that this is the answer that has come to your desired help.

Pls mark me as brainiest and Yw

4 0

2 years ago

A closed, rectangular-faced box with a square base is to be constructed using only 36 m2 of material. What should the height h a

kkurt [141]

Answer:

$b=h=\sqrt{6}$ m

Step-by-step explanation:

Let

Bas length of box=b

Height of box=h

Material used in constructing of box=36 square m

We have to find the height h and base length b of the box to maximize the volume of box.

Surface area of box= $2b^2+4bh$

$2b^2+4bh=36$

$b^2+2bh=18$

$2bh=18-b^2$

$h=\frac{18-b^2}{2b}$

Volume of box, V= $b^2h$

Substitute the values

$V=b^2\times \frac{18-b^2}{2b}$

$V=\frac{1}{2}(18b-b^3)$

Differentiate w. r.t b

$\frac{dV}{db}=\frac{1}{2}(18-3b^2)$

$\frac{dV}{db}=0$

$\frac{1}{2}(18-3b^2)=0$

$\implies 18-3b^2=0$

$\implies 3b^2=18$

$b^2=6$

$b=\pm \sqrt{6}$

$b=\sqrt{6}$

The negative value of b is not possible because length cannot be negative.

Again differentiate w.r.t b

$\frac{d^2V}{db^2}=-3b$

At $b=\sqrt{6}$

$\frac{d^2V}{db^2}=-3\sqrt{6}$

Hence, the volume of box is maximum at $b=\sqrt{6}$ .

$h=\frac{18-(\sqrt{6})^2}{2\sqrt{6}}$

$h=\frac{18-6}{2\sqrt{6}}$

$h=\frac{12}{2\sqrt{6}}$

$h=\sqrt{6}$

$b=h=\sqrt{6}$ m

7 0

3 years ago

Slove -4(x+1)-3=(x-4)

Nastasia [14]

Answer:

$x=-\frac{3}{5}$

Step-by-step explanation:

$-4(x+1)-3=(x-4) \\ \\ -4x-4-3=x-4 \\ \\ -4x-7=x-4 \\ \\ -7=5x-4 \\ \\ 5x=-3 \\ \\ x=-\frac{3}{5}$

6 0

3 years ago

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