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Alika [10]
3 years ago
6

Which number is prime ? A : 8 B : 6 C : 13 D : 10

Mathematics
1 answer:
JulijaS [17]3 years ago
5 0

C : 13

8 is not a prime number since it's dividable by multiple numbers. For example 2(4), 1(8)

6 is not a prime number since it's dividable by 3(2), 1(6)

13 is a prime number because it's only dividable by itself.

10 is not a prime number because it can be divided by 5(2), 1(10)

So only 13 matches as a prime number.

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What is the slope of the line that goes through (6,5) and (3,1)?
enyata [817]
Solving the slope,
m = (y2 - y1)/(x2 - x1)
m = (1 - 5)/(3 - 6)
m = (-4)/(-3)
m = 4/3

The answer is c.
3 0
3 years ago
In a math class of 35 students, 17 boys and 18 are girls. On a unit test, 8 boys and 12 girls made an A grade. A student is chos
never [62]

Answer:

29/35

Step-by-step explanation:

probability of choosing a boy or an A student = (boys + a students - a boys)/total -->

probability of choosing a boy or an A student = (17 + 20 - 8)/35 -->

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6 0
3 years ago
Find an ordered pair that satisfies both of the equations below.
liraira [26]

Answer: (x, y) = (2, 3)

This is the system of equations 2x - 3y = -5, 5x - 2y = 4. Multiply the first equation by 2 and the second equation by 3 to get 4x - 6y = -10, 15x - 6y = 12. Now we can use elimination: subtract the equations to get -11x = -22, so x = 2. 2x - 3y = 2(2) - 3y = 4 - 3y = -5, so 3y = 9 and y = 3. The solution is (2, 3).

i hope this helped! :D

4 0
3 years ago
What is 0.000008 meters in scientific notation
Katena32 [7]

Answer:

8x10^-6

Because the decimal point must be moved left 6 places in order to be equal when multiplied by the whole number the 10 must be to the -6th

3 0
3 years ago
Help plz and teach me how to answer
horrorfan [7]
Helen subtracted 17 from the right side of the equation when she should have added 17. Adding 17 to both sides would have gotten x/y by itself.

The answer is 'Helen should have added 17 to both sides of the equation'.
4 0
3 years ago
Read 2 more answers
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