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Free_Kalibri [48]
2 years ago
14

PLS HELP!!!!!!!!!!!!!

Mathematics
1 answer:
stepladder [879]2 years ago
6 0
First, multiply the top equation by 2 and bottom by -3.
60x+60y=900
-60x-75y=-1035
————————
-15y=-135
—————-
-15=-15
y=9

So the answer should be 9.
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What is the relationship between the measure of an angle and the reflex measure of the angle?
Alenkinab [10]
Let the measure of an angle be 'x'
Then the reflex angle will be measured by the formula (360-x)
x +(360-x) = 360
3 0
3 years ago
Find the volume.<br> PLEASE HELP I WILL GIVE BRAINLIEST TO THE RIGHT ANSWER
Lana71 [14]
The answer is 1,944. the formula of volume is length times width times height
6 0
2 years ago
Acapulco, Mexico and Hyderabad, India both lie at 17° north latitude, and lie very nearly halfway around the world from each oth
Nataly_w [17]
In solving this problem we can consider Earth to be a sphere. When we have a circle, then we can use this formula to find arc length:
L=2 \pi R \frac{C}{360}
Where:
L= arc length (in this problem it is disance we need to travel)
R = radius of circle (in this problem it is equal to a radius of Earth)
C = angle we need to pass

We are told that two cities lie halfway around the world. If we fly to west this means angle is 180°.
This gives an arc length of:
L=2* \pi *3960* \frac{180}{360}  \\  \\ L=12440.71 miles

If we want to fly to north we need to go to 90° northern latidtude and then back to 17° latitude. This means angle is:
C=2*(90-17)=2*73°=146°
This gives an arc length of:
L=2* \pi *3960* \frac{146}{360} \\ \\ L=10090.8 miles

We can see that flying north is shorter. It is shorter by:
12440.71 miles - 10090.8 miles = 2349.91 miles
6 0
2 years ago
HELP ASAP!!!! WILL GIVE BRAINLIEST!!!!
Agata [3.3K]
Hello!

You can draw this out and count the squares

When you do this you get 24 squares

The answer is 24 square units

Hope this helps!
4 0
3 years ago
Read 2 more answers
Ms.fox asked her class is the sum of 4.2 and the square root of 2 rational or irrational
goldfiish [28.3K]
It is irrational. Otherwise sqrt(2) would be rational too which is not true.

3 0
3 years ago
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