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3 years ago

1. What is the median of the data below? 2. What is the value at Q1 (or the lower quartile)?

Mathematics

2 answers:

igor_vitrenko [27]3 years ago

8 0

Answer:

the median is the middle line

Step-by-step explanation:

Alenkasestr [34]3 years ago

8 0

Answer:

fkjshfkjdhfjksdhfjkshdfkjshd

Step-by-step explanation:

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18 is 45% of what number? ____<br> Please help me I can't solve this

Alexxx [7]

18/x = 45/100

cross multiply

18/x * 45/100

45x =1800

divide both sides by 45

45x/45 =1800/45

x=40

18 is 45% of 40

6 0

3 years ago

A regular polygon

olga55 [171]

Answer:

3.6° = ext. angle

Step-by-step explanation:

For the shape to be a regular polygon, all interior angles must be congruent.

We can find every interior angle by using the formula:

$\frac{180(n-2)}{n}$

$\frac{180(100-2)}{100}$

$\frac{180(98)}{100}$

$\frac{17640}{100}$

176.4 = each int. angle

We also know that int. and ext. angles are supplementary!

180 = 176.4 - x

3.6° = ext. angle

5 0

3 years ago

Please help giving 20 points thank you

Vladimir [108]

Answer:

Step-by-step explanation:

7 0

3 years ago

If θ is a first-quadrant angle in standard position with P(u, v) = (3, 4), evaluate cos 2 θ . -7/25 -1/5 7/25

Grace [21]

Answer:

-7/25.

Step-by-step explanation:

From the given point P we see that the hypotenuse = √(3*2 + 4^2) = 5.

So cos θ = 3/5

cos 2 θ = 2 cos^2 θ - 1

= 2 * (3/5)^2 -1

= -7/25.

6 0

3 years ago

Can you solve -4a^ - (6a-2) + 3 (a^-1).the arrows that are pointing up is exponent 2.also please show work

Burka [1]

First step is to distribute.
-4a^2 - 6a +2 + 3a^2 -3
Combine like terms
-a^2 -6a -1

5 0

3 years ago