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2 years ago

Describe the correlations from left to right ? Plz explain I can’t get this wrong & I really need help !

Mathematics

1 answer:

UkoKoshka [18]2 years ago

5 0

Answer:

Positive, negative and no correlation

Step-by-step explanation:

because its going up its positive because it goes down its negative for the last one it’s random so no correlation

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What are the roots of the quadratic equation x2+2x=-5

stiks02 [169]

Answer:

x = -1 +/-2i

Step-by-step explanation:

Write the equation in standard form to find the roots, also known as the solutions, zeros, or x-intercepts, of the quadratic.

x² + 2x + 5 = 0

Use the quadratic formula by substituting a= 1, b = 2 and c = 5.

$x = \frac{-2 +/- \sqrt{(-2)^2 - 4(1)(5)} }{2(1)} = \frac{-2 +/-\sqrt{4 -20 } }{2} = \frac{-2 +/-\sqrt{-16 } }{2} = \frac{-2 +/-4i }{2} = -1 +/-2i$

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3 years ago

75+45+x/69=180 <br> solve for x please :)

monitta

Answer: just add 75 and 45 + x and do division for 69 ok but times the 45 with 69 ok good luck

Step-by-step explanation:

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2 years ago

Use the variable t for the number of teeth in one row. Write an expression to determine the number of teeth in a sharks mouth.

AURORKA [14]

If t represents the number of teeth in one row...and a shark has 3 rows of teeth...then the expression to find out how many teeth he has in his entire mouth is : 3t

7 0

2 years ago

Connor spent $66 on rookie cards and Hall of Fame cards how many of each type of car did he buy rookie cards are four for six Ha

barxatty [35]

Answer:

We conclude that he purchased 20 rookie cards and 8 Hall of Fame cards.

Step-by-step explanation:

We know that Connor spent $66 on rookie cards and Hall of Fame cards. We know that rookie cards are four for six Hall of Fame two for nine.

Therefore, we calculate:

$5\cdot 6 +4\cdot 9=30+36=66$

5·4= 20 rookie cards

4·2= 8 Hall of Fame cards

We conclude that he purchased 20 rookie cards and 8 Hall of Fame cards.

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3 years ago

What are the solutions to log subscript 6 baseline (x squared 8) = 1 log subscript 6 baseline (x)

n200080 [17]

The solution of the logarithmic equation is given by the antilog. Then the value of x is 2 and 4.

<h3>What is a factorization?</h3>

It is the method to separate the polynomial into parts and the parts will be in multiplication. And the value of the polynomial at this point will be zero.

The logarithmic equation is given below.

$\log _6(x^{2} +8)= 1+ \log _6x\\\\\log _6(x^{2} +8)= \log_66+ \log _6x\\\\\log _6(x^{2} +8)= \log _66x\\$

Take antilog, then we have

$\begin{aligned} x^{2} +8 &= 6x\\\\x^2 -6x + 8 &= 0\\\\x^2 -4x - 2x +8 &=0\\\\(x-4)(x-2) &= 0\\\\x&= 2, 4\end{aligned}$

Then the value of the x is 2 and 4.

More about the factorization link is given below.

brainly.com/question/6810544

8 0

2 years ago