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qaws [65]
3 years ago
5

Casey types at a constant speed, as shown in the following table. 1 Word per 5 sec , 2 word per 10 sec , 7 word per 35 sec ,12 w

ord per 60 What does 5 word mean in this situation?
Mathematics
2 answers:
Svetllana [295]3 years ago
7 0

Answer: 5 word per 25 sec

Step-by-step explanation:

1 word per 5 sec + 2 word per 10 sec +2 word +10 sec

dexar [7]3 years ago
3 0

For this case we have the following:

1 word for 5 seconds

2 words for 10 seconds

3 words for 15 seconds

4 words for 20 seconds

5 words for 25 seconds

6 words for 30 seconds

7 words for 35 seconds

and so on, successively, until you reach 12 words in 60 seconds

It is observed, that Casey takes 5 seconds to write a word.

When he has written 5 words, it takes 25 seconds.

Answer:

5 words for 25 seconds

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What is the equation of the line that is parallel to the line 5x + 2y = 12 and passes through the point (-2, 4)?
Aneli [31]

Answer: 5x + 2y = -2

Step-by-step explanation:

Change 5x+2y=12 to slope intercept: 2y = 12 - 5x, y = -5x/2 + 6

A parallel line has the same slope, so the line we try to find is y = -5x/2 + b.

Substitute (-2, 4) in and get 4=5+b, so b = -1.

Therefore the answer is y = -5x/2 - 1, or if you want it in the original form it would be 2y = -5x - 2 ---> 5x+2y = -2.

Hope that helped,

-sirswagger21

7 0
4 years ago
A researcher asks random samples of residents of two separate counties as to whether they had purchased organically grown food i
Leni [432]

Answer:

2 proportions z test

The two populations are named as residents from the first county and residents from the second county.

Step-by-step explanation:

This is testing hypothesis about the difference between two proportions.

When the proportions are tested if they are the test statistic

z= ( p^1-p^2)- (p1-p2) / √p₁q₁/n₁ + p₂q₂/ n₂

where p^1 is the proportion of success in the first sample and   p^2 of size n₁   is the proportion of success in the second sample of size n₂ with unknown proportions of successes p1 and p2 respectively.

When the sample sizes are sufficiently large

z= ( p^1-p^2)- (p1-p2) / √p₁q₁/n₁ + p₂q₂/ n₂ is approximately standard normal.

The two populations are named as residents from the first county and residents from the second county.

7 0
3 years ago
Place 3 numbers between 12 and 60 to make a sequence of 5 numbers with a common difference
Vilka [71]

The 3 numbers which should be placed between 12 and 60 are; 24, 36 and 48.

<h3>What three numbers should be placed between 12 and 60?</h3>

It follows from the task content that the first and last numbers are; 12 and 60 respectively.

Hence, since the difference between 12 and 60 is 48 and there are 4 transitions between the two numbers to have 5 total numbers,

It follows that the common difference is; 48/4 = 12 and the three numbers required are; 24,36 and 48.

Read more on common difference;

brainly.com/question/19601308

#SPJ1

5 0
2 years ago
Which expression equals 102+84
MakcuM [25]

Answer: 6(17+14) or 186

Step-by-step explanation: I provide with you two answers since not sure what u  mean .And the first answer is distributive it and the second answer is the sum.

Also 102 + 84 is an expression already so I don't know what your asking and if this help  u are welcome !

4 0
3 years ago
In the diagram below, lines a and b are parallel and cut by transversal, t. If angle 3 is 120 degrees, find the measure of angle
PolarNik [594]
Hi there!

Since angles 3 and 7 are corresponding angles, they are also congruent. This means that angle 3 is equal to angle 7. Therefore, the correct answer is C, 120 degrees.
4 0
3 years ago
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