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koban [17]
4 years ago
9

Please help x+yz When x=4 y= -2 z= 4/5 Please explain on how you got your work.

Mathematics
2 answers:
Sindrei [870]4 years ago
7 0
The answer is 2 2/5 or 12/5. My explanation is shown below. (I substituted the numbers in for the letters)

Rom4ik [11]4 years ago
3 0
Substitute the numbers for the variables

4+(-2)(4/5)

easier if you turn 4/5 into a decimal

4+(-2)(0.8)

multiply -2 and 0.8

4+(-1.6)

add

4-1.6

answer is 2.4




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Kipish [7]

Answer:

A

Step-by-step explanation:

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5 0
3 years ago
There’s a picture so I don’t have to type out the question
Lorico [155]

For this case we have the following function:

s (V) = \sqrt [3] {V}

This function describes the side length of the cube.

If Jason wants a cube with a minimum volume of 64 cubic centimeters, then we propose the following inequality:

s \geq \sqrt [3] {64}

Rewriting we have:

s \geq \sqrt [3] {4 ^ 3}\\s \geq4

Answer:

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3 0
3 years ago
If 200 vitamines cost $8.75, what should 500 vitamins cost?
WARRIOR [948]
Hello!  So, the problem is saying that 200 vitamins cost $8.75, and that is what we know.  We also know that we're going to be looking at the cost of 500 vitamins, but we don't know.  The numbers presented can be put into a proportion, and that can help solve the problem.  200 to 8.75, and 500 to a number we don't know.  I'm no sure if you familiar with the how to set up a proportion, but it's saying this number over this other number (which is a fraction) equals another fraction.  Make sure that your numbers always match up, so your not saying vitamins over money equal money over vitamins.  Use cross products, divide, and then you'll have your answer.  For this problem, since yours solving for money, make sure to have two decimal points and a dollar sign.  I hoped this helped, if you have any questions shoot me a question or message.  Good luck!
7 0
3 years ago
Read 2 more answers
A file that is 256 megabytes is being downloaded. If the download is 18.6% complete, how many megabytes have been downloaded? Ro
GenaCL600 [577]
<span>If A file that is 256 megabytes is being downloaded and the download is 18.6% complete, then you just need to multiply the 256 megabytes with 18.6%

The calculation would be: 256 megabytes x 0,186= 47.616 megabytes. 
If you round up the answer to nearest tenth it will be 47.6 megabytes</span>
6 0
3 years ago
A pipe fills 11/15 liters of tub in 22/45 minutes. What is it's flow rate in terms of liters per minute?
Lelu [443]

The flow rate of the given fluid in the pipe is gotten as; 3/2 liters per minute

<h3>How to calculate the rate of flow?</h3>

We are told that a pipe fills 11/15 liters in 22/45 minutes.

Now, to get the flow rate of this pipe, we will use the formula;

Flow rate = Quantity of fluid/Time

Thus;

Flow rate = 11/15 ÷ 22/45

⇒ 11/15 * 45/22

⇒ 3/2 liters per minute

Read more about Rate of flow at; brainly.com/question/19475319

#SPJ1

8 0
2 years ago
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