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barxatty [35]
3 years ago
13

What is a correlation

Mathematics
1 answer:
posledela3 years ago
7 0

Answer: a relationship/connection between two variables, there are negative and positive correlations.

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Round these decimals to 2 decimal places. <br> a) 4.148<br> b) 5.092<br> c) 0.458<br> d) 17.315
ivolga24 [154]
If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up (+1).


If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down (no change).

<span>a) 4.14<u>8</u> ≈ 4.15
b) 5.09<u>2</u> ≈ 5.09
c) 0.45<u>8</u> ≈ 0.46
d) 17.31<u>5</u></span> ≈ 17.32



8 0
3 years ago
Read 2 more answers
Nate’s work to solve a math problem is shown below.
Ray Of Light [21]

Answer:

Answer (C) ⇒ He replaced the wrong term with its reciprocal in step 2

Answer (A) ⇒ How many 3/8 's in 48

Step-by-step explanation:

∵ The distance = 25 miles

∵ The time = 2/3 hour

∵ Average speed = distance ÷ time

∴ Average speed = 25 ÷ 2/3 ⇒ step 1 (he is √)

                              = 25 × 3/2 ⇒ step 2 (his 1st error 1/25 × 2/3)

                              = 75/2 miles/h

∵ How many 3/8 's are in 48 means:

  48 ÷ 3/8 = 48 × 8/3 = 128

∴ Answer (A) is best modeled with a division expression

5 0
4 years ago
Read 2 more answers
Which are correct representations of the inequality –3(2x – 5) &lt; 5(2 – x)? Select two options.
avanturin [10]

The correct simplified inequality is - 6x + 15 < 10 - 5x and the number line representation is "an open circle is at 5 and a bold line starts at 5 and is pointing to the right".

The given inequality is -3(2x - 5) < 5(2 - x)

We need to simplify the inequality.

<h3>What is inequality?</h3>

In mathematics, inequality is a statement of an order relationship greater than, greater than or equal to, less than, or less than or equal to between two numbers or algebraic expressions.

Consider LHS and simplify -3(2x - 5) = -3(2x)-5(-3)

⇒ -3(2x - 5) = - 6x + 15 [∵(-)(-) = (+)]

Consider RHS and simplify 5(2 - x) = 5(2) + 5(-x)

⇒5(2 - x) = 10 - 5x [∵(+)(-) = (-)]

Now, - 6x + 15 < 10 - 5x

By subtracting 15 from both sides, we get

- 6x < -5 - 5x

By adding 5x to both sides, we get - x < - 5

The coefficient of x is -1. So, divide both sides by -1

Then we get x > 5

Hence, the correct simplified inequality is - 6x + 15 < 10 - 5x and the number line representation is "an open circle is at 5 and a bold line starts at 5 and is pointing to the right".

To learn more about inequalities visit:

brainly.com/question/20383699.

#SPJ1

5 0
2 years ago
Write the repeating decimal $0.\overline{51}$ as a fully simplified fraction.
Firlakuza [10]

Answer:

17/33

Step-by-step explanation:

...aops

5 0
3 years ago
Read 2 more answers
Which equation shows the first step of the substitution method being used to solve the
drek231 [11]
X + y = 6 and b youre welcome
5 0
3 years ago
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