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3 years ago

How to tell if a scatter plot is positive or negative or no ttend?

Mathematics

2 answers:

Korvikt [17]3 years ago

8 0

If the dots are going to the right, it's positive. If they're going to the left, they're negative.

blondinia [14]3 years ago

5 0

And if the dots are both sides, there is no trend.

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In triangle abc, m of acb = 90, cd is perpendicular to ab , m of acd is 60. and bd is 5 cm. find ad

weeeeeb [17]

Let us draw a picture to make the things more clear.

Attached is the image.

We have been given that

$\angle acd = 60 ^{\circ}$

Therefore, we have

$\angle dcb =90- 60= 30 ^{\circ}$

Now, in triangle bcd, we have

$\tan30 = \frac{5}{cd}\\
\\
\frac{1}{\sqrt 3}=\frac{5}{cd}\\
\\
cd=5\sqrt 3$

Now, in triangle acb, we have

$tan 60 = \frac{ad}{5\sqrt3} \\
\\
\sqrt 3= \frac{ad}{5\sqrt3}\\
\\
ad= 5\sqrt3 \times \sqrt 3\\
\\
ad= 5\times 3\\
\\
ad=15$

Thus, ad is 15 cm.

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3 years ago

If sin ø = 1/3, what are the values of cos ø and tan ø?

jekas [21]

Step-by-step explanation:

SinA=1/3=p/h

p=1,h=3,and b=?

Using Pythagoras Theorem,

b=√3^2-1^2

b=√9-1

b=√8=2√2

Now,

CosA=b/h=2√2/3

TanA=p/b=1/2√2

There is no phi in my keypad so I use A angle instead of phi.Adjust it.

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3 years ago

PLEASE HELP ME PLEASE PLEASE I NEED YOUR HELP PLEASE HELP ME Which of these expressions demonstrates the identity property? Chec

Delicious77 [7]

Answer:

1st one and the third one

Step-by-step explanation:

25(0)=25

25+0=25

3 0

3 years ago

Read 2 more answers

Bridget is on her middle school’s basketball team. In it’s last game, her team made 31 of it’s shots. Some of those were free th

aksik [14]

Answer:

Step-by-step explanation:

Let the number of free throws = x

And the number of regular field goals = y

Total shots made by the team = 31

Equation for the shots will be,

x + y = 31 ------(1)

If the team gets 1 point for free throws and 2 points for a regular field goal,

x + 2y = 49 --------(2)

[total points gained by the team = 49]

1). Option (2) is the correct option.

2). Subtracting equation (1) from equation (2),

(x + 2y) - (x + y) = 49 - 31

y = 18

Therefore, number of regular field goals made by the team = 18

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3 years ago

HELP PLSSSSS!!!! ITS OVERDUE AND I NEED HELP FOR THE ANSWER TO B!! CAN SOMEONE ALSO TELL ME IF I GOT A RIGHT?? sorry for all cap

ludmilkaskok [199]

Step-by-step explanation:

A is 16.9%

B is 352,181

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2 years ago