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seropon [69]
3 years ago
8

Is (2,1) a solution of 3y<2x+5

Mathematics
1 answer:
Nikitich [7]3 years ago
3 0

Answer:

No

Step-by-step explanation:

Plug in the x and y values and you should get 3<9

<h2><em><u>**Please rate 5 give thanks and vote brainliest**</u></em></h2>
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I need help! Will this would be very appreciated!pls
elena-s [515]

Answer:

No real

solution

Step-by-step explanation:

Firstly, let us check if we would be having a real solution

We start by rewriting the equation

We have this as;

8x^2 -25x + 24 = 0

We proceed to get the discriminant

Mathematically, we have this as;

D = b^2 - 4ac

b is the coefficient of x which is -25

a is the coefficient of x^2 which is 8

c is the last number which is 24

So we have;

D = (-25)^2 - 4(8)(24)

D = 625 - 768 = -143

Since the value of the discriminant is negative, there cannot be real roots

What we have as solution are complex roots

6 0
2 years ago
Add, then write sum 7/10 + 2/10
My name is Ann [436]

Answer:

9/10

Step-by-step explanation:

7

+

2

= 9

10 and 10 are equal so they stay the same.

5 0
2 years ago
Read 2 more answers
A cylinder has a radius of 10cm and a height of 9cm. A cone has a radius of 10cm and a height of 9 cm. Show that the volume of t
nlexa [21]

Answer:

The answer in the procedure

Step-by-step explanation:

step 1

Find the volume of the cylinder

The volume of the cylinder is equal to

V=\pi r^{2} h

we have

r=10\ cm

h=9\ cm

substitute

V=\pi (10)^{2}(9)=900\pi\ cm^{2}  

step 2

Find the volume of the cone

The volume of the cone is equal to

V=(1/3)\pi r^{2} h

we have

r=10\ cm

h=9\ cm

substitute

V=(1/3)\pi (10)^{2}(9)=300\pi\ cm^{2}  

therefore

we have

Vcylinder=900\pi\ cm^{2}  

Vcone=300\pi\ cm^{2}  

so

Vcylinder=3Vcone  

8 0
3 years ago
Someone help me (10 points each)
Maru [420]

Answer:

132

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Find the greatest common factor of 84 and 36, showing how you got your answer. Then, using complete sentences,
Romashka-Z-Leto [24]

Answer:

greatest common factor is 12

Step-by-step explanation:

12*7 = 84

12*3 = 36

this means that this is the factor that they both share that has the highest value out of all the factors they share

5 0
2 years ago
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