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3 years ago

Hey ! I’m trying to find the slope. If you could help me that’ll be great thank you !!

Mathematics

2 answers:

nordsb [41]3 years ago

6 0

Answer:

I'm pretty sure it's B. 1

Step-by-step explanation:

Because I got 2 points where the line crosses and I made a triangle joining the points

Then I did the change in y/change in x

and so I did 2/2 and got 1

hopefully that's right :)

galben [10]3 years ago

4 0

Answer:

The answer is B. 1

Step-by-step explanation:

rise over run

1/1=1

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You want to create a 99% confidence interval with a margin of error of .5. Assuming the population standard deviation is equal t

miss Akunina [59]

Answer:

Sample size minimum is 60

Step-by-step explanation:

given that you want to create a 99% confidence interval with a margin of error of .5.

The population standard deviation is equal to 1.5

i.e. $\sigma = 0.5$

Confidence level = 99%

Since population std deviation is known, we can use Z critical value for finding margin of error

Z critical value for 99% = 2.58

Margin of error = $2.58*\frac{1.5}{\sqrt{n} }$

Equate this to 0.5 and solve for n

$2.58*\frac{1.5}{\sqrt{n} }=0.5\\\sqrt{n} =7.74\\n =59.90\\n=60$

8 0

2 years ago

Find the values of the variable

Leno4ka [110]

Answer:

Step-by-step explanation:

a = 180 - 100

= 80 degrees

b = 180 - 80

= 100 degrees

c = 180 - 135

= 45 degrees

8 0

2 years ago

X^2+6x-19=0 pls helpppp

USPshnik [31]

Answer:

Step-by-step explanation:

Since this is not factorable, let's just complete the square:

$x^2+6x=19\\x^2+6x+9=28\\(x+3)^2=28\\x+3=\sqrt{28}\\x=2\sqrt{7}-3$

8 0

3 years ago

How much degrees turn in the hour hand from 4 to 8

Gala2k [10]

Answer:

120°

I just used a protractor tool lol. I looked it up afterwards as well and 120° is correct.

4 0

3 years ago

Functions of the form y = abx, where b > 0 and b ≠ 0, are called ____ functions.

guapka [62]

Answer:

Exponential function.

Step-by-step explanation:

We are given that a function of the form

$y=ab^x$

Where $b\neq 0$ and b>0

Exponential function: The function is of the form

$y=b^x$

Where b is a positive constant and greater than 0 and x is any real number.

The given function satisfied the define of exponential function.

Hence, the function of the form $y=ab^x$

Where b>0 and $b\neq 0$ are called exponential function.

7 0

3 years ago