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V125BC [204]
3 years ago
6

Judges at an art competition must select first-, second-, and third-place winners from an exhibition of 12 paintings. In how man

y different ways can the winning paintings be chosen?
A.
1,320
B.
440
C.
220
D.
18
Mathematics
2 answers:
xenn [34]3 years ago
7 0

Answer:

A

Step-by-step explanation:

I got it right

Artemon [7]3 years ago
4 0
B is the answer hope it helps
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Rewrite the slope intercept equation of the line y=1/3x-2 in standard form
kaheart [24]
<span>y=1/3 x - 2
3y = x - 6
x - 3y = 6 ...this is standard form</span>
7 0
3 years ago
Andrew is two years older than Beatrice, and Chris is three years younger than Beatrice. The product of Andrew's age and Chris'
stich3 [128]

Answer:

9

Step-by-step explanation:

A = B + 2

C = B - 3

A x C = 66

A = Andrew

C = Chris

B = Beatrice

Multiply A and c together

(B + 2) x (b - 3)

b^2 - 3b + 2b - 6

b^2 -b - 6 = 66

b^2 - b - 72 = 0

factors of -72b^2 that add up to - b are -9b + 8b

b^2 + 8b -9b - 72

b (b + 8) -9(b + 8)

b = 9 or - 8

b = 9

5 0
3 years ago
Given g(x) = -x – 5, find g(5).
dimulka [17.4K]
Answer is -10

Work: -(5+5)
8 0
3 years ago
Which expression has a value of 15 when n = 7? 43 minus 5 n 3 n minus 5 6 n minus 28 19 minus StartFraction 28 Over n EndFractio
andrey2020 [161]

Answer:

19-\dfrac{28}{n} is the expression with value of 15 when n = 7.

Step-by-step explanation:

To find the expression whose value is 15, substitute the value of n = 7 in each given expression.

Expression 1:

43-5n

Substituting the value of n,

43-5\left(7\right)

Simplifying,

43-35=8

Since the value of the expression is 8 which is not equal 15.

Hence expression 43-5n does not have value of 15 when n = 7.

Expression 2:

3n-5

Substituting the value of n,

3\left(7\right)-5

Simplifying,

21-5=16

Since the value of the expression is 16 which is not equal 15.

Hence expression 3n-5 does not have value of 15 when n = 7.

Expression 3:

6n-28

Substituting the value of n,

6\left(7\right)-28

Simplifying,

42-28=14

Since the value of the expression is 14 which is not equal 15.

Hence expression 6n-28 does not have value of 15 when n = 7.

Expression 4:

19-\dfrac{28}{n}

Substituting the value of n,

19-\dfrac{28}{7}

Simplifying,

19-4=15

Since the value of the expression is 15 which is equal 15.

Hence expression 19-\dfrac{28}{n} has the value of 15 when n = 7.

4 0
3 years ago
Read 2 more answers
PLEASE SOMEONE HELP I CANT DO THIS AND IM LITERALLY BALLING MY EYES OUT.
kirza4 [7]

Answer: -x

step-by-step explanation:

convert the mixed numbers to improper fractions 125/6 = 77/6

77/6x-14x+1/6x

77/6x-14x+1/6x = -1 times x

= 1 times x

multiply 1 times x = x

= x

5 0
3 years ago
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