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Crazy boy [7]
3 years ago
15

The vertices of / are G(–4, 0), H(5, 2), and I(–2, –3). / is rotated 270° counterclockwise about the origin to form /. What are

the coordinates of the vertices of /?
Mathematics
1 answer:
Airida [17]3 years ago
6 0

vertices of I are(-2,-3)

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A scientist mixes water (containing no salt) with a solution that contains 30% salt. She wants to obtain 180 ounces of a mixture
xxMikexx [17]

Answer:

water : 90 ounces

salt solution: 90 ounces

Step-by-step explanation:

Call w the amount of water and call the solution containing 30% salt.

We want to get 180 ounces of a mixture with 15% salt.

So:

The amount of mixture will be:

w + s = 180

the amount of salt will be

0w + 0.3s = 180 * 0.15

0.3s = 27

s = 90\ ounces

Now we substitute the value of s in the first equation and solve for w

w + 90 = 180

w = 90\ ounces

5 0
3 years ago
Although the actual amount varies by season and time of​ day, the average volume of water that flows over the falls each second
lutik1710 [3]
Given that <span>the average volume of water that flows over the falls each second is 4.8 \times 10^5 gallons.

There are 3,600 seconds in one hour.

Thus, in one hour, 4.8 \times 10^5\times3600=17280\times10^5=1.728\times10^9 gallons of water </span><span>flows over the falls.

</span>Therefore, the amount of water that flows over the falls is <span>1.728\times10^9.</span>
3 0
3 years ago
Stephanie is taking out a loan in the amount of $15,000. Her choices for the loan are a 4-year loan at
nevsk [136]

Answer:

$1950

Step-by-step explanation:

Simple interest amount payable is given by

A=P(1+rt) where p is principal amount, A is final amount paid, t is time and r is rate of interest. For the first case

A=15000(1+0.03*4)=$16800

For second case

A=15000(1+0.05*5)=$18750

Difference will be 18750-16800=$1950

4 0
3 years ago
Hey how are you guys can some help me with my his <br> 2x+x=?<br> 3x+x=?
dusya [7]

Answer:

2x + x = 3x \\ 3x + x = 4x

6 0
2 years ago
Read 2 more answers
I need help understanding how to do this problem (image attached).
ikadub [295]
Well to find the value of the interior angle of a hexagon it would be out of a total of 720 degrees therefore just subtract the values of the known interior angle values and you should be able to get the value of the interior angle of X
4 0
3 years ago
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