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guapka [62]
3 years ago
5

Which of the following is a prime number? A. 19 B. 26 C. 48 D. 52

Mathematics
2 answers:
Harlamova29_29 [7]3 years ago
5 0

Answer:

A

Step-by-step explanation: The rest of the answers are multiples of 2, and even numbers cannot be a prime

zloy xaker [14]3 years ago
4 0

THE ANSWER IS  IS A: 19

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If x and y satisfy both 9x+2y=8 and 7x+2y=4, then y=?
Alex

Answer:

The value of y is -5

Step-by-step explanation:

we have

9x+2y=8 ------> equation A

7x+2y=4 ------> equation B

we know that

If x and y satisfy both equations, then (x,y) is the solution of the system of equations

Using a graphing tool

Remember that

The solution of the systems of equations is the intersection point both graphs

The intersection point is (2,-5)

therefore

The solution of the system of equations is the point (2,-5)

The value of y is -5

7 0
2 years ago
Determine which of the following is a rectangle form of a complex number.
Varvara68 [4.7K]

Answer:

A) a+bi

Explanation:

Rectangular form of complex numbers is written as a+bi, where a and b are integers.

Rectangular form always has an integer piece, a, and a complex piece, bi.

4 0
2 years ago
I golf club charges $10 to join and
Jobisdone [24]

Answer: He could have played more than 3 games.

Step-by-step explanation:

Hi, to answer this question we have to write an inequality.

I golf club charges $10 to join and $5 per game: So, the cost of playing golf is equal to $10 (joining price) plus the product of the number of games played (x) and the price per game (5).

That expression must be higher than 25, since john paid more than $25.

Mathematically speaking

10+ 5 x > 25

Solving for x

5x >25-10

5x >15

x >15/5

x> 3

He could have played more than 3 games, since his cost was higher ( not equal or higher) than 25.

4 0
3 years ago
what is the final amount of $3050.00 that is put into a savings account with 8% interest rate for 25 years, if the interest is c
Anna71 [15]
The formula required is:
A=P(1+\frac{r}{n})^{nt}
where A is the amount after t years of the principal P invested at an annual interest rate r (expressed as a decimal fraction) compounded n times per year.
Plugging in the given values, we get:
A=3050(1+\frac{0.08}{4})^{(4\times25)}=22,096.17
The final amount is $22,096.17
8 0
3 years ago
Read 2 more answers
Suppose the diameter of a circle is 4 units. What is its circumference?
Alinara [238K]

Answer:

pi4

Step-by-step explanation: Formula is piD, diamter is 4, so pi4 which equals 12.56

8 0
3 years ago
Read 2 more answers
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