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kaheart [24]
3 years ago
9

Explain why 51 is not a prime number​

Mathematics
2 answers:
Levart [38]3 years ago
6 0

Step-by-step explanation:

51 is not a prime number because it is divisible by 1,3 and 17

and we know prime number are only those number who arenot divisible by any other number except 1

aleksklad [387]3 years ago
3 0

Answer:

57 is divisible by 1,3,19 and 57

Step-by-step explanation:

A prime number is a number that is divisible only by 1 and itself; and 57 is not among the numbers like 2,3,5,7,11 etc

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Brendan has 33 coins in his pocket, all of which are dimes and quarters. if the total value of his change is 615 cents, how many
Amanda [17]
If all were dimes, the value would be $3.30. Brendan has $2.85 more than that. Each quarter that replaces a dime increases the value by $0.15, so Brendan must have $2.85/$0.15 = 19 quarters.

Brendan has 14 dimes and 19 quarters.
6 0
3 years ago
True or false the square root of 16 is 4 explain why this is true
skad [1K]

true because the square root is a number times itself and 4*4 is 16

4 0
3 years ago
Read 2 more answers
Solve for the equation 4a-8=28
hoa [83]
4a-8=28
add 8 to both sides to start to isolate the variable (a)
-8+8 cancels each other out
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4a=36
to completely isolate the variable divide both sides by 4
4a÷4=a
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6 0
3 years ago
Find the minimum or maximum value of the function g(x)= -(x-2)^2-3
Nady [450]
Neato

assuming you mean
g(x)=-1(x-2)^2-3
remember
in form
f(x)=a(x-h)^2+k
a is leading coficient
(h,k) is vertex
k will be the minimum or max value of the function
if a is positive, then the parabola opens up and k is minimum
if a is negative, then the parabola opens down and k is max

given
g(x)=-1(x-2)^2-3
a is negative
the parabola opens down and k is the max value
it is -3
the max value is -3, which occors at x=2
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3 0
3 years ago
Katrina earns $12.25 per hour plus a 21% commission on any sales she makes. In one day, she worked for 11 hours, and she made $4
Effectus [21]

Answer:

B

Step-by-step explanation:

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488 times 0.21 is 102.48

134.75 plus 102.48 equals 237.23

237.23 is closest to 232 which is B.

6 0
3 years ago
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