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2 years ago

42.1x23.5 what the answer

Mathematics

2 answers:

Anastasy [175]2 years ago

6 0

Answer:989.35

42.1×23.5=989.35

I hope this is good enough:

igor_vitrenko [27]2 years ago

6 0

Answer:

989.35

Step-by-step explanation:

you multiply 42.1 and 23.5 by taking the decimals out (don't worry you'll be putting them back) and then multiplying:

421 * 235 = 98,935

you then replace the two decimal points (because there are two decimals your going to count two decimal points into the answer) hence the answer being:

989.35

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What is the square root of 72 simplified

Ket [755]

Answer: 6√2

Step-by-step explanation:

8 × 9 is 72.

8 can be simplied to 4 × 2.

And 4 can be simplified to 2 × 2.

So far there are three 2s and a 9.

9 can be simplified down to 3 × 3.

Theres a pair of 2s and a pair of 3s, so you multiply 2 × 3 and thats 6 so you put 6 on the outside of the radical. Theres one 2 leftover from all the simplifying so that goes inside the radical to give you 6√2

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3 years ago

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3x+y=4 2x+y=5 solve using linear combination

Advocard [28]

Idk what linear combination is but you can solve this way:
3x+y=4
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2 years ago

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a container of candy is shaped like a cylinder and has a volume of 125.6 cubic centimeters. If the heights of the container is 1

Elenna [48]

The radius of the container is 2 centimeter

<h3>Solution:</h3>

Given that a container of candy is shaped like a cylinder

Given that volume = 125.6 cubic centimeters

Height of conatiner = 10 centimeter

To find: radius of the container

We can use volume of cylinder formula and obatin the radius value

The volume of cylinder is given as:

$\text {volume of cylinder }=\pi r^{2} h$

Where "r" is the radius of cylinder

"h" is the height of cylinder and $\pi$ is constant has value 3.14

Substituting the values in formula, we get

$\begin{array}{l}{125.6=3.14 \times r^{2} \times 10} \\\\ {r^{2}=\frac{125.6}{31.4}} \\\\ {r^{2}=4}\end{array}$

Taking square root on both sides,

$r = \sqrt{4}\\\\r = 2$

Thus the radius of the container is 2 centimeter

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3 years ago

How do you simplify that question? For algebra 1.

motikmotik

$\left( \sqrt{x^{-3}} \right)^5 = \left( \sqrt{ \frac{1}{x^3} } \right)^5= \frac{1}{ (\sqrt{x^3})^5 } = \frac{1}{ \sqrt{x^{15}} } = \frac{1}{x^7 \sqrt{x} }$

Explanation for the last step:
$\sqrt{x^{15}}= \sqrt{x^{14}*x}= \sqrt{x^{14}}* \sqrt{x} =x^{ \frac{14}{2} }* \sqrt{x} =x^7 \sqrt{x}$

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3 years ago

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skelet666 [1.2K]

This is the expression simplified:

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2 years ago