MATHEMATICS HIGH SCHOOL

The numbers of days of rain per month in San Diego, for a period of twelve months, are: 7, 7, 7, 5, 2, 1, 0, 0, 1, 3, 4, 6 What is the range of the data values?a. 4
b. 1
c. 7
d. 12

Answers

Answer 1
Answer: Hello there, and thank you for posting your question here on brainly.

Short answer: C. 7

Why?

To find the range, we have to take the highest and lowest numbers in the set and subtract them. The highest in the set is 7, and the lowest in the set is 0. Subtract the two. 7 - 0 = 7. 7 is your final answer.

Hope this helped you! ♥
Answer 2
Answer:

Answer:7

Step-by-step explanation:

Am god

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How would I solve these? 

(-3xy)³ (-x³)

and

(-9b²a³)² (3³b)²

Answers

(-9b^2a^3)^2 \cdot (3^3b)^2 = (-9)^2\cdot(b^2)^2 \cdot (a^3)^2 \cdot (3^3)^2\cdot (b)^2 = \n \n= 81\cdot b^4\cdot a^6 \cdot 3^6\cdot b ^2 = 3^4 \cdot a^6 \cdot b^4\cdot 3^6\cdot b ^2 =\n \n= 3^(4+6) \cdota^(6) \cdot b ^(4+2) = 3^(10) \cdot a^(6) \cdot b ^6
(-3xy)^3(-x^3)=(-3)^3x^3y^3\cdot(-x^3)=-27x^3y^3\cdot(-x^3)=27x^6y^3\n\n\n(-9b^2a^3)^2\cdot(3^3b^2)^2=(-3^2a^3b^2)^2\cdot(3^3b^2)^2=3^(2\cdot2)a^(3\cdot2)b^(2\cdot2)\cdot3^(3\cdot2)b^(2\cdot2)\n\n=3^4a^6b^4\cdot3^6b^4=3^(4+6)a^6b^(4+4)=3^(10)a^6b^8

Which of the following correctly completes the square for the equation below x2+2x=19A: (x+1)^2=23
B:(x+2)^2=20
C:(x+1)^2=20
D:(x+2)^2=23

Answers

answer is C:(x+1)^2=20

x2 + 2x = 19
x2 + 2x + 1 = 19 + 1
(x + 1)^2 = 20

Please i need help ASAP!!! Extra points!!The cost of 3-D movie tickets is $12 for 1 ticket,$24 for 2 tickets, and $36 for 3 tickets. Determine whether the cost is proportional to the number of tickets by graphing on the coordinate plane.Explain your reasoning.

Answers

Answer:

yes the cost is proportional to the number of tickets

Step-by-step explanation:

for each 1 ticket added, it is $12 more

you can graph it by using the equation y=12x where x is the amount of tickets and the y-intercept is (0,0)

How to solve 2/4 of 4

Answers

2/4 simplified is 1/2
1/2 of 4 = 4/2
4/2 simplifies to 2/1
2/1 is 2
2
4 can be written as 4/1.
Now multiply 2/4 * 4/1 = 8/4 
8/4 can be reduced by 4
8/4 = 2
4/4=1
So u have 2/1 = 2

I need help with a , b,c,d THANK YOU!! :)

Answers

-2x^2 + 1 for x = -3
-2(-3)^2 + 1 = -2(9) + 1 = -18 + 1 = -17

2^x for x = 3
2^3 = 2 x 2 x 2 = 8

4x - 4 for x = 3
4(3) - 4 = 12 - 4 = 8

solve using the substitution and elimination method

3a-12b=9

4a-5b=3

can someone please help?

Answers

3a-12b=9 => a = 4b + 3; but, 4a-5b=3 => 4(4b + 3) -5b = 3 => 11b = -9 => b = -9/11 => a = -36/11 + 3 = -3/11;

Answer:6969

Step-by-step explanation:

Its the best answer
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