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Over [174]
2 years ago
5

HELP I NEED HELP ASAP

Mathematics
1 answer:
Irina18 [472]2 years ago
5 0

Answer:

Step-by-step explanation:

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Finding the roots (zeros)
GenaCL600 [577]

Answer:

1.5 + 1.3228756555323i

1.5 - 1.3228756555323i

Step-by-step explanation:

y = ax^2 + bx + c

a = 1, b = -3, c = 4

Using the quadractic formula:

\frac{-b±\sqrt{b^2-4ac} }{2a} \\\\= \frac{3±\sqrt{9-4(1)(4)}}{2(1)}\\\\= \frac{3±2.64i}{2}\\\\= 1.5 ±  1.32

Note: Kindly ignore the A in the above solution ^

Hence, there is no real solution. It has complex roots.

<em>Feel free to mark this as brainliest! :D</em>

4 0
2 years ago
Please be kind enough to help me with this question in my geometry test thank you i’m very grateful
WARRIOR [948]

Answer:

yes

Step-by-step explanation:

5 0
3 years ago
5. If the covariance between the variables x and y is 18 and the variance
klasskru [66]

Answer:

The coefficient of  correlation=0.5

Step-by-step explanation:

We are given that

Covariance between the variable  x and y=18

Variance of x=16

Variance of y=81

We have to find the coefficient of correlation

We know that

Coefficient of correlation

r=\frac{covariance(x,y)}{\sqrt{variance(x)}\times \sqrt{variance(y)}}

Using the formula

r=\frac{18}{\sqrt{16}\times \sqrt{81}}

r=\frac{18}{4\times 9}

r=0.5

Hence, the coefficient of  correlation=0.5

5 0
3 years ago
The solution to this system of equations lies between the x-values -2 and -1.5. At which x-value are the two equations approxima
AlexFokin [52]
I believe it’s a. -1.5
3 0
3 years ago
What value of n solves the equation? 2^n=1/8 (the 2^n means with a exponent of n)
inysia [295]
Match bases
if a^x=b^x where x=x then a=b

hmmm
1/8=8^-1=(2^3)^-1=2^-3
so
2^n=2^-3
n=-3
4 0
3 years ago
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