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Leona [35]
3 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]3 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)

posledela3 years ago
4 0

Answer:

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

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Plz help with this question ASAP which choice is it and steps to get the answer or explain why
Savatey [412]

Answer:

D 20 *1.10 * 1.05

Step-by-step explanation:

We have 19.8 tons of wheat.  That is close to 20 tons

We increase by  9.8 percent. 9.8% is close to 10%

When we increase, that is 100% of what we had plus the increase, so we multiply by 100 +10% or 110%.  In decimal form that is 1.1

20 *1.10

Then the next year we increase by 5.1%.  That is close to 5%

We have 100% plus the 5% or 105%, which in decimal form is 1.05

We multiply what we had (20 *1.10) by 1.05

20 *1.10 * 1.05

This is the total amount we have

3 0
3 years ago
Find the complex zeros of x^3+27. write f in factored form
aliina [53]
x^3+27=0
\\x^3+3^3=0
\\(x+3)(x^2-3x+9)=0
\\x^2-3x+9=0
\\a=1,b=-3,c=9
\\
\\x_{1,2}= \frac{-b\pm \sqrt{b^2-4ac} }{2a} = \frac{-(-3)\pm \sqrt{(-3)^2-4\times1\times9} }{2\times1} =\frac{3\pm \sqrt{-27} }{2} =\frac{3\pm 3\sqrt{3}i }{2} 
\\
\\(x+3)(x-\frac{3+ 3\sqrt{3}i }{2})(x-\frac{3- 3\sqrt{3}i }{2})=0


4 0
3 years ago
What is the percent of change from 75 to 84?
ValentinkaMS [17]

Answer:

12%

Step-by-step explanation:

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3 years ago
Cion
Sidana [21]

Answer:

- 0.83

Step-by-step explanation:

just add the recurring bar on top of the 3 and it should be correct

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Alona [7]

Answer:

11+2x

Step-by-step explanation:

5+6=11

4x-2x=2x

8 0
3 years ago
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