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2 years ago

V = X timesY times Z solve for x

Mathematics

1 answer:

N76 [4]2 years ago

8 0

Answer:

X = V/(YZ)

Step-by-step explanation:

V=XYZ

Division property of equality

V/(YZ) = X

Symmetric property of equality

X= V/(YZ)

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Solve 2x^3+7x^2-2x-1=o

Mashcka [7]

Answer:

$x=\sqrt{3}-2\\x=-\sqrt{3}-2\\x=\frac{1}{2}$

Step-by-step explanation:

This is a hard one

We have to use the rational root theorem

$2x^3+7x^2-2x-1$ = 0

We have to find all the factors of a and d and put them in a fraction

$a=2\\d=-1\\\frac{1}{1,2}$

We then plug them into the equation to see if any of them work

The equation isn't true when plugging 1, but is true when plugging in 1/2

factored form of 1/2 is (2x-1)

Then we divide the original equation by (2x-1) (you can use synthetic division or long division, it would be hard to type out the process for that) to get $x^2+4x+1$

So now the equation is $(2x-1)(x^2+4x+1)$

Solve the second half of this equation using the quadratic formula to get

$\sqrt{3}-2$ and $-\sqrt{3}-2$

We already know the solution for the first half of the equation (1/2)

So the final answers are:

$x=\sqrt{3}-2, -\sqrt{3}-2, \frac{1}{2}$

8 0

2 years ago

Frank has a science test on Monday over the weekend she studies 47 7/8 of an hour for each three hours how many minutes does Fra

9966 [12]

He studied for 8617.5 minutes.

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2 years ago

What are the square numbers of 45

olganol [36]

The square numbers of 45?
I don't really know what you mean by that but if you're looking for the square numbers before 45, they are as follows:
1
2
4
9
16
25
36

Hope this helps :)

4 0

3 years ago

Read 2 more answers

Write the measurements of Sides AB, BC, and CD of the correct net.

scZoUnD [109]

AB- 3in.
BC- 5in.
CD- 7.2in.

sorry i don't really have an explanation I just looked at the picture and i guess imagined it in my head? lol sorry but here are the answers I hope that helps at least a little bit :))

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2 years ago

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Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the corre

Alex_Xolod [135]

Answer:

what are the choices

Step-by-step explanation:

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3 years ago