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Leona [35]
2 years ago
12

Joe practiced his trumpet for 53 minutes a day for 20 days. Char practiced her trumpet for 35 minutes a day for 30 days. Which s

tatements about Joe and Char are correct? Select all that apply.
A.
Joe practiced a total of 1,530 minutes.

B.
Char practiced a total of 1,050 minutes.

C.
Together, Joe and Char practiced 2,580 minutes.

D.
Together, Joe and Char practiced 2,110 minutes
Mathematics
2 answers:
MA_775_DIABLO [31]2 years ago
8 0

Answer:

B. Char practiced a total of 1,050 minutes.

D. Together, Joe and Char practiced 2,110 minutes

Step-by-step explanation:

Just a cheerful teen willing to help,

as always, wishing you a splendiferous day (or night)

posledela2 years ago
4 0

Answer:

D is the answer............

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There are 150 new employees at a tech company in Southern California. 30 new employees are randomly assigned to each orientation
Lunna [17]

Answer:

Step-by-step explanation:

There are <u>150</u> new employees in the sample space. There are <u>30</u> new employees in each event. P(C)= <u>1/5,</u> is the probability that you choose new employees that has been assigned to the orientation group C.

3 0
2 years ago
H(x)= 9/x( x^2-49)<br> Determine the domain of the function
Norma-Jean [14]

Answer: The domain of the function h(x) = \frac{9}{x(x^2-49)} is:

Interval Notation: (-∞ , -7) ∪ (-7 , 0) ∪ (0 , 7) ∪ (7, ∞)

Set-Builder Notation: { x | x ≠ 0 , 7 , -7 }

All real numbers besides 0, 7, and -7.

Step-by-step explanation:

In order to find the domain of your rational function, we need to simplify it:

h(x) = \frac{9}{x(x^2-49)} = \frac{9}{(x)(x+7)(x-7)}

Remember, most of the time, the domain of a rational function consists of all real numbers besides zero.

To find the domain, we equal the equations in the denominator to zero.

x=0

x+7=0 --> x=-7

x-7=0 --> x=7

So all real numbers except for 0, -7, and 7 are in the domain of this rational function.

8 0
3 years ago
13f + 6 -f = -3 <br><br> help?
malfutka [58]

Answer:

f = -3/4

Step-by-step explanation:

13f + 6 -f = -3

Combine like terms

12f +6 = -3

Subtract 6 from each side

12f+6-6 = -3-6

12f = -9

Divide each side by 12

12f/12 = -9/12

f = -3/4

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3 years ago
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3 years ago
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