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tangare [24]
3 years ago
7

A computer has the shape of a rectangular solid.Find the volume of the computer,with the dimensions of 4inches by 4inches by 4.2

inches
Mathematics
1 answer:
Kazeer [188]3 years ago
7 0

Answer: 67.2"3

Step-by-step explanation: Volume is length x width x height so 4(4) which is 16 and 16(4)=67.2"3

Don't forget to put the cubic inches symbol

Hope this helps!

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What is the value of x in the equation -2/3 x + 9 = 4/3 x - 3?​
anygoal [31]

Answer:

x = 6

Step-by-step explanation:

We want to solve:

\frac{-2}{3} x+9=\frac{4}{3} x-3

First, isolate the variable by moving all the terms with x to one side and all the constants to the other side:

\frac{4}{3}x +\frac{2}{3} x=9+3

Combining the fraction on the left, we get:

\frac{6}{3} x=12

6/3 = 2, so:

2x = 12

Dividing both sides by 2 yields:

x = 6

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3 years ago
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bezimeni [28]
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37.4786 rounded to nearest hundredth
lorasvet [3.4K]

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8

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2 years ago
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PLEASE, I NEED THIS NOW!!!!
11111nata11111 [884]

Answer:

For the first one

x= About 32.02

y= About 27.58

z= About 55.16

For the second one

x= 6

y= 12

z= about 16.97

Step-by-step explanation:

Their all really simple

These are special right triangles, a 45, 45, 90 and a 30, 60, 90 triangle. The formla for these triangles are shown in the picture below.

Now for the first one ]

Lets find Z first

Now this is a 45 special right triangle so we know the other side s 39 but the hypotenuse is n\sqrt{2} (I’m using N becuase x and y is taken) So n is basically 39 (look at the image below) and just solve that. Now for x and y. We know its a 30, special right triangle. We know that 39 here is already the answer for  N\sqrt{3} so make an equation to find the n and you’ll get 27.58 for y. Now For x, its just doubled the y.

For the second one this is easier

We know that the x is (6) becuase its already in the radical number, now to find the hypotnuse, we double that and get 12. Now we know what y is becuase since the 2nd triangle is a 45/45/90, we know that 12 is y, the hypotnuse is just N\sqrt{2} and we just plug in the n with 12 and solve it!

6 0
3 years ago
The function f(x) = -x^2 - 2x + 15 is shown on the graph. What are the domain and range of the function?
gulaghasi [49]

R; all quadratic functions are going to have ranges and domains of *ALL REAL NUMBERS* [(-∞, ∞)].

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3 years ago
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