MATHEMATICS HIGH SCHOOL

What is the value of x in the solution to the following system of equations? x − y = −3
x + 3y = 5

Answers

Answer 1
Answer: Solve and the solution would be (-1, 2)

x value = -1

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The Gallup Poll uses a procedure called random digit dialing, which creates phone numbers based on a list of all area codes in America in conjunction with the associated number of residential households in each area code. Give a possible reason the Gallup Poll chooses to use random digit dialing instead of picking phone numbers from the phone book.

Answers

Random digit dialing (RDD) is a method for selecting people for involvement in telephone statistical surveys by generating telephone numbers at random. Random digit dialing has the advantage that it includes unlisted numbers that would be missed if the numbers were selected from a phone book.

Answer:

Random dialing saves time and can cover the region better than the phone book.

Step-by-step explanation:

Not all phone numbers in the region are in the phone book, so dialing through the phone book would be limited, and it would take a long time to dial the numbers on each call. With that Gallup would take longer to complete his work and do a limited job.

On the other hand, random digit dialing would randomly generate phone numbers and select people to participate in Gallup's work much faster, which would allow Gallup to get more calls and work faster and more efficiently.

DESCRIBE USING ROSTER METHOD MONTHS WITH 31 DAYS

Answers

We must put the months of the year with 31 days in a "bag".
This "bag" will be called M (like months).

M= {Januray, March, May, July, August, October, December}
Let M be the collection of months with 31 days.

By applying roster method ;

M = {Januray, March, May, July, August, October, December}

We know that earth takes 365 days for one revolution. To make an equitible distribution in accordance to months, ( for international reference) this calender was created.

Solve for x (2x-2)+(x+5)

Answers

2x^2-x+5

I hope this helps. Enjoy the rest of you day :)))

Answer:

3x + 3

Step-by-step explanation:

(2x - 2) + (x + 5)

Combine like terms:

2x + -2 + x + 5

(2x + x) + (-2 + 5)

3x + 3

Hope you learned from this answer!

What is the conclusion of the following conditional?A number is divisible by 3 if the sum of the digits of the number is divisible by 3/

A. The number is odd.
B. The sum of the digits of the number is divisible by 3.
C. If the sum of the digits of a number is divisible by 3, then the number is divisible by 3.
D. The number is divisible by 3.

Answers

The correct answer among the choice presented above is option D. The conditional statement for the statement given is "If the sum of the digits of a number is divisible by 3, then the number is divisible by 3". The conclusion here is the statement "The number is divisible by 3".

Answer:

The number is divisible by 3.

Step-by-step explanation:

I agree with the above. The hypothesis begins with "if", so the conclusion would be "the number is divisible by 3."

3 divided by what equals 94

Answers

282 because if u multipy 94 into 3 u get 282 and to check 282 divided by 3 is 94
3/x=94
3=94x
x=3/94

Dividing 3 by 3/94 equals 94:

(3)/( (3)/(94) ) =3* (94)/(3)=94 

Find 4 consecutive odd integers whose sum is 232

Answers

4 consecutive odd integers whose sum is 232 are : 55, 57, 59, 61

How to find the sum of consecutive integers?

1 + 2 + 3 + ... + n = (n(n+1))/(2)

Let the first integer be x and x is an odd number.

Let Four consecutive odd integers are;

x, x + 2, x + 4, x + 6

(x) + (x + 2) + (x + 4) + (x + 6) = 232

4x + 12 = 232

4x = 232 - 12

4x = 220

x = 220/4

x = 55

x + 2 = 55 + 2 = 57

x + 4 = 55 + 4 = 59

x + 6 = 55 + 6 = 61

The numbers are : 55, 57, 59, 61

Learn more about the concept here;

brainly.com/question/1628972

#SPJ2
 4 consecutive odd integers...
x, x + 2, x + 4, x + 6

(x) + (x + 2) + (x + 4) + (x + 6) = 232
4x + 12 = 232
4x = 232 - 12
4x = 220
x = 220/4
x = 55

x + 2 = 55 + 2 = 57
x + 4 = 55 + 4 = 59
x + 6 = 55 + 6 = 61

so ur numbers are : 55, 57, 59, 61
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