2 years ago

In 8 minutes, Dale can type 24 words. What is his rate in words per minute?

Mathematics

2 answers:

Afina-wow [57]2 years ago

7 0

Answer:

Step-by-step explanation:

Lyrx [107]2 years ago

5 0

Answer:

3 lol u divided 24 and 8

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the diameters of Douglas firs grown at a Christmas tree farm are normally distributed with a mean of 4 inches and a standard dev

aksik [14]

Answer:

Proportion of the trees will have diameters between 2 and 6 inches = 0.8164

Step-by-step explanation:

Given -

Mean $(\nu )$ = 4

Standard deviation $(\sigma )$ = 1.5

Let X be the diameter of tree

proportion of the trees will have diameters between 2 and 6 inches =

$P(2< X< 6)$ = $P(\frac{2 - 4 }{1.5}< \frac{X - \nu }{\sigma}< \frac{6 - 4 }{1.5})$

= $P(\frac{-2 }{1.5}< Z< \frac{2 }{1.5})$ Put [ $Z = \frac{X - \nu }{\sigma}$ ]

= $P(-1.33< Z< 1.33)$

= $(Z< 1.33) - (Z< -1.33)$

= .9082 - .0918

= 0.8164

6 0

3 years ago

The Width of a rectangle is 2w+3. The length is equal to 4 times its width. Write an expression to represent the perimeter of th

kupik [55]

Since the perimeter is the sum of the length of all sides we multiply width and length by 2 and then add them together

4 0

3 years ago

ava had 30 dollars. she spent half of what she had at the friday night football game and then earned 8 dollars babysitting. how

Tresset [83]

30/2+8

30/2=15

15+8=23

she finished with $23

5 0

2 years ago

Read 2 more answers

Write the phase "3 times the difference of 5 and y equals 4" as a variable expression:

worty [1.4K]

Answer:

3(5-7)=4

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

Someone help me answer this and show work please!

timurjin [86]

Answer:

Simple

Rise/Run

for one week they run 10 miles

2 weeks 20 miles

3 weeks 30 miles

4 weeks 40 miles

the rate of change would be 10/1 (Why? Because you rise +10 each time per week.)

divide that it would be 10 (:

gOoD lUCk

second answer copied me so.

7 0

3 years ago