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Natasha_Volkova [10]
3 years ago
8

Can somebody help me

Mathematics
1 answer:
Katena32 [7]3 years ago
6 0
It’s y=3 because the y values are the same in both points.
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a) The quadratic 3x^2-12x-11 can be written in the form 3(x+a)^2+b. Find the values of a and b. b) Given that the solutions of t
LenKa [72]

Answer:

Step-by-step explanation:

a) 3x^2-12x-11=3*x^2-3*2*2*x+3*4-23=3*(x^2-2*2x+2^2)-23=3*(x-2)^2-23

so  a= -2 ,b= -23

b) x1=[12+V(12^2-4*3* -11)]/6=12/6+V(144+132)/6=2+2/6V69=2+1/3V69=

2+V69/9=2+V23/3

c=2, d= 23/3

5 0
3 years ago
Helpppp meeee lollllll idkkk what to dooooo
kenny6666 [7]

Step-by-step explanation:

=0.2(y+2)

=0.2(y)+0.2(2)

=0.2y+0.4

hope it help u..

6 0
3 years ago
What are the solutions of quadratic equation 98-x2=0
blsea [12.9K]
Let's solve your equation step-by-step.<span><span>
98−<span>x2</span></span>=0</span>
Step 1: Simplify both sides of the equation.<span><span><span>
−<span>x2</span></span>+98</span>=0</span>
Step 2: Subtract 98 from both sides.<span><span><span><span>
−<span>x2</span></span>+98</span>−98</span>=<span>0−98</span></span><span><span>
−<span>x2</span></span>=<span>−98</span></span>
Step 3: Divide both sides by -1.<span><span><span>
−<span>x^2/</span></span><span>1</span></span>=<span><span>−98/</span><span>1</span></span></span><span><span>
x^2</span>=98</span>
Step 4: Take square root.<span>
x=<span>±<span>√98</span></span></span><span><span>
x=<span><span><span>7<span>√2</span></span><span> or </span></span>x</span></span>=<span>−<span>7<span>√2</span></span></span></span>
Answer:<span><span>
x=<span><span><span>7<span>√2</span></span><span> or </span></span>x</span></span>=<span>−<span>7<span>√<span>2

-Not this if this is what you wanted but I hope I helped. :)</span></span></span></span></span>
4 0
3 years ago
Read 2 more answers
What is the solution to the system of equations? <br> 2x+4y=12<br> Y=1/2x-3
Anvisha [2.4K]
2x+4y=12 ------>1
y=1/2x-3. ------->2

2 into 1

2x+4(1/2x-3)=12
2x+2x-12=12
4x-12-12=0
4x-24=0
4x=24
x=24/4
x=6 ------> 3

3 into 2

y=1/2x-3
y=1/2(6)-3
y/=0


sorry if Im wrong or my is incorrect



7 0
3 years ago
Please help!! giving brainly​
Marianna [84]

Answer:

around 8

Step-by-step explanation:

(34*17)/72 = 8.03

8 0
3 years ago
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