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Yanka [14]
3 years ago
10

I AM I BEGGING YALL PLEASE HELP ME

Mathematics
1 answer:
viktelen [127]3 years ago
7 0
Answer: 5


Explanation

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What are the coordinates of the roots of the equation x sqaured + 4x + 3= 0
scZoUnD [109]

Answer:

a

x

2

+

b

x

+

c

=

0

the formula for the roots is

x

=

−

b

±

√

b

2

−

4

a

c

2

a

(

1

)

Identify the values for

a

,

b

,

&

c

x

2

+

4

x

+

3

=

0

cmp

a

x

2

+

b

x

+

c

=

0

a

=

1

b

=

4

c

=

3

(

2

)

Substitute these numbers into eh formula

x

=

−

4

±

√

4

2

−

(

4

×

1

×

3

)

2

×

1

(

3

)

Carefully proceed and do the calculations

x

=

−

4

±

√

16

−

12

2

x

=

−

4

±

√

4

2

x

=

−

4

±

2

2

now calculate the two separate solutions

x

1

=

−

4

+

2

2

=

−

2

2

=

−

1

x

2

=

−

4

−

2

2

=

−

6

2

=

−

3

Answer link

Step-by-step explanation:

8 0
2 years ago
If t=0 in 1980, find the value of A. Round answer to the nearest million.
balu736 [363]

P=Ae^kt

225 = 210 * e^(k*(1990-1980)

225/210=e^10k ln(225/210)=10k

k=ln(225/210)/10=0.0069

P = 210*e^(0.0069t)

for 2000 ===> t = 2000-1980=20

P = 210*e^(0.0069*20)

P=241.0749=241

4 0
3 years ago
Can you help me with part b of problem 25
neonofarm [45]
C is the correct answer for the problem hope it helps :)
6 0
3 years ago
<img src="https://tex.z-dn.net/?f=2x%20%7B%7D%5E%7B2%7D%20%20%2B%204x%20-%2021%20%3D%200" id="TexFormula1" title="2x {}^{2} + 4
Ugo [173]
The answer should be  21/8 hope it helps

7 0
3 years ago
Cos 200. Cos 115- Sin 200. Sin 115=
Harrizon [31]
Cos 200= -0.939692621. cos 115-sin200=-0.080598118 Sin 115=0.906307787
6 0
3 years ago
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