Find the quotient of 213.21 and 15.8. Round your answer to the nearest tenth. 13.5

Mathematics

1 answer:

Anit [1.1K]3 years ago

8 0

Answer:

Step-by-step explanation:

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Solve the quadratic equation.<br>-7n^2=-448<br>

Zolol [24]

Answer:

n = 8

Step-by-step explanation:

-7n² = -448

=> n² = -448 / -7

=> n² = 64

=> n = $\sqrt{64}$

=> n = 8

Hope it helps :)

Please mark my answer as the brainliest

5 0

2 years ago

Explain the differences between a positive, negative and no correlation (or trend) in a scatter plot. Provide an example of each

SIZIF [17.4K]

Answer:

a positive correlation is when both variables move in the same direction. a negative correlation is when the variables move in opposite directions. no correlation is when the variables are not statistically related

Step-by-step explanation:

negative correlation example: As you climb the mountain (increase in height) it gets colder (decrease in temperature).

zero correlation example: the amount of apple juice drunk and level of intelligence

btw you have a good example of positive correlation :) it can also be when both variables decrease

4 0

3 years ago

Read 2 more answers

Solve 3x+2y=7 and x-4y=-21 by using substitution

noname [10]

$3x+2y=7 \\
x-4y=-21 \\ \\
\hbox{solve the second equation for x:} \\
x-4y=-21 \\
x=4y-21 \\ \\
\hbox{substitute 4y-21 for x in the first equation:} \\
3(4y-21)+2y=7 \\
12y-63+2y=7 \\
14y=7+63 \\
14y=70 \\
y=\frac{70}{14} \\
y=5 \\ \\
x=4y-21=4 \times 5-21=20-21=-1 \\ \\
\boxed{(x,y)=(-1,5)}$