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Monica [59]
2 years ago
6

Joseph rented a surf board for $5.25 per hour plus a $16.75 fee. Write an expression that shows how much it will cost josheph to

rent the surf board for x hours
Mathematics
1 answer:
In-s [12.5K]2 years ago
4 0

Answer:

$22 dollars

Step-by-step explanation:

Add the two numbers. x means one for mathamatics.

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Two forces act on an object. The first Force has a magnitude of 400 Newtons and acts at an angle of 30 degrees as measured from
Sedaia [141]

ANSWER

Option D is correct

EXPLANATION

We resolve the forces into component forms.

F_1 = 400 \cos(30) i + 400 \sin(30) j

F_1 = 200  \sqrt{3} i +200j

Also the second is resolved to obtain,

F_2= 280 \cos(135) i + 280 \sin(135) j.

F_2=  - 140 \sqrt{2} i + 140  \sqrt{2}  j

To find the resultant vector, V, We add the corresponding components of the two forces to get:

V=F_1+F_2

\implies \: V = (200  \sqrt{3} - 140 \sqrt{2} )i + (200 + 140 \sqrt{2})j

The correct answer is D.

3 0
3 years ago
Witch value of x makes the equation x + 7 = 21 true ?
Shkiper50 [21]

Answer:

x=14

Step-by-step explanation:

x+7=21

x=14

5 0
3 years ago
Some people use a rule to see how many hours a child should sleep at night. Subtract the child's age in years from 30, then divi
m_a_m_a [10]
It would be 8 hours. 30-14=16. 16/2=8.
6 0
2 years ago
Yuri computes the mean and standard deviation for the sample data set 12, 14, 9, and 21. He finds the mean is 14. His steps for
Tpy6a [65]

Answer:

B. Yuri divided by n instead of n-1

Step-by-step explanation:

It was stated in the question that the dataset was sample dataset. For a sample dataset, the standard deviation is given by the formula,

σ = √ Σ (Xi - mean)²/(n - 1) where i = 1,2,3.....n

Since this is just a sample dataset and not the whole population, Yuri should have divided by n-1 instead of n.

3 0
3 years ago
Lou set up 6 tables for a party. 42 people are coming
matrenka [14]
P equals 7 because 7 people to each table. 42/7=6
3 0
2 years ago
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