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son4ous [18]
3 years ago
14

Given that x = 3, y = -2 and z = 0, calculate the value of each of the following algebraic expressions: 2x + y. Answer quick ple

ase.​
Mathematics
1 answer:
icang [17]3 years ago
4 0
2 times 3+(-2)
6-2
4. Is the cord answer
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What is the answer to <br> -8/5(-3/2)(-10)
galina1969 [7]

Answer:

-24

Step-by-step explanation:

-8/5 ( -3/2 ) ( -10 )

-8/5 ( -3/2 ) = 24/10 = 12/5 or 2 2/5

12/5 ( -10 ) =  -120/5 = -24

5 0
3 years ago
Obtain the sample standard deviation <br><br>9, 10, 11, 12 ,13 ,14 ,15 ,16 ,17
Marat540 [252]

Standard deviation (s): 2.7386127875258

8 0
3 years ago
Need to keep cell bill under 60.,monthly charge is 30. And texts are 0.05 each. Write an inequality to represent the # of texts
nignag [31]

Answer:

30 + 0.05x < 60

The number of texts she can have is less than 600.

Step-by-step explanation:

Total monthly charge

30 + 0.05 for each text.

So, for x tests, the charge is:

C(x) = 30 + 0.05x

Write an inequality to represent the # of texts she can have?

It has to be under 60, so:

C(x) < 60

30 + 0.05x < 60

The solution is:

0.05x < 30

x < \frac{30}{0.05}

x < 600

The number of texts she can have is less than 600.

5 0
3 years ago
The Roosevelt Branch Library is open daily from 9:00 A.M. until 4:30 P.M., 255 days a year. How many hours in all is the library
kramer

Lets look at the hours they are open from. 9 am - 4:30 pm which is 7 and a half hours a day. Now we multiply 7 1/2 by the number of days they are open, which will be 7 1/2 * 255 = 1,912.5. This means that the library is open 1,912 1/2 hours a year.

I hope I've helped! :)

3 0
2 years ago
Read 2 more answers
Hello please answer need for homework
NNADVOKAT [17]
What’s your question to ur homework
4 0
2 years ago
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