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raketka [301]
3 years ago
8

Date

Mathematics
1 answer:
daser333 [38]3 years ago
8 0

Answer:?

Step-by-step explanation:

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What is the solution to the following system of equations?
adelina 88 [10]
-x^2 - 5x - 4 = -x^2 + 9x - 18
-5x - 9x = -18 + 4
-14x = -14
x = -14/-14
x = 1 <====

y = -x^2 - 5x - 4
y = (-1^2) - 5(1) - 4
y = 1 - 5 - 4
y = 1 - 9
y = -8 <====
8 0
3 years ago
What is the volume of a cone with a height of 6 cm in the radius of 2 cm
solniwko [45]

Answer: 25.13cm^3

V=π*r^2*h /3

π·2^2·6 /3

24.13274 cm^3 rounded is 25.13

SO 25.13 CENTIMETERS CUBED IS YOUR ANSWER



6 0
4 years ago
Help........ Again and thanks
Hunter-Best [27]

Answer:

x=3, y=1

Step-by-step explanation:

2x+y =7

3x-4y =5

Multiply the first equation by 4 so we can eliminate y

4(2x+y =7)

8x +4y =28

Add this to the second equation

8x +4y =28

3x-4y =5

----------------

11x = 33

Divide by 11

11x/11=33/11

x=3

Now we still need to find y

2x+y=7

2(3)+y =7

6+y=7

Subtract 6 from each side

6-6+y=7-6

y= 1

5 0
3 years ago
A right triangle has a 30 degree angle. the leg adjacent to the 30 degree angle measures 25 inches what is the inches. What is t
yanalaym [24]
Tan(30°) = opposite/adjacent  ⇒

opposite = adjacent * tan(30°) = 25 * 0.5773 ≈14.4 in  ← <span>to the nearest tenth.</span>
8 0
3 years ago
I don't quite understand this..
weqwewe [10]
There it is in the image. Hope it helps. You don't need the negative y- axis.

7 0
3 years ago
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