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boyakko [2]
3 years ago
10

Y2 – x2 = 16 please help

Mathematics
1 answer:
Igoryamba3 years ago
7 0
-8
Because x - y = -8
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After 3 weeks, a plant is 8 centimeters tall. After 4 weeks, it has grown to 10 centimeters. Of the plant grows following an ari
Oliga [24]

Answer:

5

Step-by-step explanation:

4 0
3 years ago
2x + y = 3
sergejj [24]

Hey there!

First, multiply the second equation by -2 as the problem states. When you multiply the second equation by -2, you get:

-2x+4y=2

Now, add this equation to the first equation in which you simply combine like terms:

2x+y=3

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-2x+4y=2

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5y= 5

In conclusion, the correct answer would be the first choice.

4 0
3 years ago
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Y=9x-5 in standard form
Mkey [24]
Y equals nine x minus five I’m sorry I don’t know if I did the right thing but yeah
3 0
2 years ago
What is the volume of a right circular cone if the circumference of the base is 125.6 ft and the height is 75 ft.?
Eddi Din [679]

Answer:

Hence the volume of the cone is 31384.52 cubic feet

Step-by-step explanation:

We must first need to understand how the volume of a cone is calculated.

It is simply calculated by multiplying the base area of the cone by the height, and dividing the result by 3.

This is :

Volume of cone = \frac{\pi r^2 h}{3}

we are not given the base area of the cone. However, we are given the circumference from which we can get the radius of the base.

Circumference =

2 \pi r=125.6ft\\r =125.6/2 \pi=19.99ft

hence the volume of the cone is

\frac{\pi (19.99)^2 75}{3}=31384.52ft^{3}

Hence the volume of the cone is 31384.52 cubic feet

3 0
2 years ago
Identify the parts relating to o A.<br> What is FG?<br> What is DB?<br> What is DH?<br> What is AC?
svetoff [14.1K]

Answer:

Usually, when a question says "FG" or "DB" or any of the other letters put together, they mean the line that it connects to. For example: Point A to Point C. However, I can't say so for sure, because This answer most likely has a diagram drawn beside it. If you can put the diagram or picture along with your questions, I can help you out more!

Step-by-step explanation:

7 0
3 years ago
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