3 years ago

On a map of a park three inches represents twenty feet. How many inches would represent 12 feet?

Mathematics

1 answer:

Sati [7]3 years ago

5 0

Answer:

Step-by-step explana hi hi hi hi hi hi hih ihihihih i

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The caffeine content of a cup of home-brewed coffee is a normally distributed random variable with a mean of 115 mg and a standa

sdas [7]

Answer:

115 mg

Step-by-step explanation:

The 50th percentile has a corresponding z-score of z = 0. The z-score, for any given value of caffeine, X, is given by:

$z = \frac{X-mean}{SD}$

Therefore, if z=0, then X must be equal to the mean value of the normal distribution, which is 115 mg. Thus, the 50th percentile value of caffeine content is 115 mg.

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3 years ago

Write the first 4 terms of the arithmetic sequence. The first term is - 1 and the

9966 [12]

Answer:

-1, 2,5,8

Step-by-step explanation:

nth term =a+(n-1) *d

-1+(n-1) *3

-1+3n-3

3n-4

t2 =3*2-4

6-4

t3=3*3-4

9-4

t4=3*4-4

12-4

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3 years ago

If point A is located at (-12, 6) on a coordinate plane, and point B is located at (4, 6), what is the distance between the two

vivado [14]

Answer:

the answer is (7,5) (5,5)

4 0

3 years ago

56.4 as a fraction in simplest form

olga_2 [115]

56.4 *10 = 564

564/10 =

282/5 <span>in simplest form</span>

5 0

4 years ago

What value of z makes this equation true?<br> -2z+5=-11

Setler [38]

$\bold{Hey~!}$

<h2>ANSWER :</h2><h2 /><h2> $z = 8$ </h2><h2 /><h2>EXPLANATION :</h2><h2 />

$\sf{-2z~+~5 = 11}:~z = 8$

$\sf{-2z~+~5 = 11}$

$\sf{Subtract~5~from~both~sides :}$

$\sf{-2z~+~5-5 =-11-5}$

$\sf{Simplify:}$

$\sf{-2z=-16}$

$\sf{Divide~both~sides~by -2}$

$\sf{\frac{-2z}{-2} = \frac{-16}{-2}}$

$\sf{Simplify:}$

$\sf{z=8}$

Hope It Helps!

#LearnWithBrainly

$\boxed{Answer~:}$

$\mathfrak{Miwsow}$

5 0

3 years ago