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Nonamiya [84]
3 years ago
14

Simplify -2/3 squared 63x^3

Mathematics
1 answer:
OverLord2011 [107]3 years ago
3 0

the answer is

- 2x \sqrt{7x}

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Each of the angles of an isosceles triangle is twice as large as the third angle . What is the measure of each angle ?
Sergeeva-Olga [200]

36°, 72°, 72°

let x be the third angle then each of the other 2 angles is 2x

the sum of the angles in a triangle = 180° thus

x + 2x + 2x = 180

5x = 180 ( divide both sides by 5 )

x = \frac{180}{5} = 36

the angles are 36°, 72° and 72°


3 0
3 years ago
If 20 is 40% of a value, what is that value?
GuDViN [60]

20------40%

x-----100%

x=(20*100)/40

x=2000/40

x=50

D.

3 0
3 years ago
Read 2 more answers
How to divide 288 by 30?
igor_vitrenko [27]
I took 288 and divided by 30 it gave me 9.6

And when i took 30 and divide it by 288 it gave me 0.104


7 0
3 years ago
An architect in Brussels measures something to be 2.5 feet (using the Brussels measurement). How many feet is this in Aalst (usi
borishaifa [10]

Answer:

2.487F

Step-by-step explanation:

From the question we are told that

Architect Measures 2.5 feet (using the Brussels measurement)

Generally in Brussels  1F=275.75mm

Therefore

    2.5F=689.375mm

Generally in Aalst 1F=277.2mm

Therefore Mathematically converting  to feet in Aalst measurement we get

    689.375mm*\frac{1}{277.2} =2.487F

   

6 0
2 years ago
Please halp. i am not smart
Leya [2.2K]

Let's start with 22-C!

To figure out the problem, let's establish what it's asking. It wants to know the one time fee of using the trash dumpster. Your teacher may have taught you a better way to do this, but I'll show you how to solve it via logic.

We first need to set up a basic equation. X will be the unknown fee, 195 will act as the total, and 9(15) will represent the remaining cash (you get this from 15$ an hour for 9 hours).

The equation should look something like this:

x + 9(15) = 195 OR (simplified) x + 135 = 195.

At this point we can solve it like a regular equation. Subtract 135 on both sides:

x = 60. Therefore, the fee for using the dumpster is 60$.

Now we can move on to 23-A & B!

First, let's go over 2 basics: point slope formula and slope intercept.

Point slope formula: <em>y - yy-y_{1} = m(x - x_{1} )</em>

Slope intercept: <em>y = mx + b</em>

We know that .5 is the slope because it's dependent on an amount of time (or dependent in general). 64 can be used as y1 and 48 as x1.

The formula would be: y - 64 = .5(x - 48).

As for part B, we plug in the same numbers! We've previously found that .5 is the slope (m) and it appears you already know that the y-intercept (b) is 40. Plug it in like so:

y = .5x + 40

All of the answers are bolded, I hope this helped!

6 0
3 years ago
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