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3 years ago

I need answers pls!!!!!!! :)

Mathematics

1 answer:

svp [43]3 years ago

4 0

Answer:

Directly proportional, 2:3

Step-by-step explanation:

Directly proprtional as when one increases, so does the other.

2:3 because for every 2 notes there are 3 backbeats.

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PLEASE HELP ME OUT ASAP! I WOULD REALLY APPRECIATE IT AND GOD BLESS

77julia77 [94]

To approximate the P(x<27) we need to find the z-score of the data, this will be given by:
z=(x-μ)/σ
where:
μ-mean
σ-standard deviation
x=27, μ=32, σ=4
z=(27-32)/4
z=-5/4
z=-1.25
thus
P(x<27)=P(z<-1.25)
=0.1056
=10.56%

Answer: 10.56%

5 0

4 years ago

1/10 of 3000 is 10 times as much as

-BARSIC- [3]

1/10 x 3000 (of means times) = 300
300 is 10 times more than what ur looking for
300/10=30
300 is 10 time more than 30

3 0

4 years ago

Read 2 more answers

X is proportional to root y where y>0

Ronch [10]

Answer:

x is proportional to √y where y > 0

Step-by-step explanation:

6 0

3 years ago

Harry and Jack are playing a game with number cards. For each round, each player draws two cards and multiplies their values to

Gennadij [26K]

Answer:

Step-by-step explanation:

8 0

3 years ago

How to tell if two lines are perpendicular

katrin [286]

ANSWER

The two lines are perpendicular if $m_1 \times m_2 = - 1$

EXPLANATION

Given two lines:

$y=m_1x+b_1$

and

$y=m_2x+b_2$

We can tell wether these two lines are perpendicular to each other using their slopes.

If the product of their slopes is -1, the then the two line are perpendicular.

For example:

The line

$y = 2x + 6$

has slope

$m_1= 2$

and the line

$y = - \frac{1}{2} x + 1$

has slope

$m_2 = - \frac{1}{2}$

The product of the two slopes is

$m_1 \times m_2 = 2 \times - \frac{1}{2}$

This implies that:

$m_1 \times m_2 = - 1$

Therefore the two lines are perpendicular.

4 0

3 years ago