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Tpy6a [65]
3 years ago
12

How many three digit numbers have exactly two digits equal and the third different?

Mathematics
2 answers:
SOVA2 [1]3 years ago
8 0
The answer is 81 hope this helps! :D
ale4655 [162]3 years ago
4 0

Answer:

The answer should be 81. Hope this helps!

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F(x)=6x^2 +10x−1
KATRIN_1 [288]

Answer: It has two distinct real zeros.

Step-by-step explanation:

The formula that is used to calculate the discriminant of a Quadratic function is the one shown below:

D=b^2-4ac

In this case you have the following Quadractic function provided in the exercise:

f(x)=6x^2 +10x-1

Let's make it equal to 0:

0=6x^2 +10x-1

You can identify that:

a=6\\\\b=10

Knowing these values, you can substitute them into the formula and then evaluate:

D=10^2-4(6)(-1)\\\\D=124

Therefore, since:

 D>0

You can determine that the it has two distinct real roots.

3 0
3 years ago
Which expression is equivalent to Negative 6 (negative two-thirds + 2 x)?
ivolga24 [154]

Answer: 4 minus 12 x

Step-by-step explanation:

-6(-\frac{2}{3}+2x)

4 - 12x

4 0
3 years ago
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WILL MARK BRAINLIEST! Shelly served the volleyball over the net 17 out of 25 times. What is her percentage of serving the ball o
Tju [1.3M]

Answer

68℅

Explanation

17/25 =

17 ÷ 25 =

0.68 =

0.68 × 100/100 =

0.68 × 100% =

(0.68 × 100)% =

68%;

Hope that this helps you and have a great day :)

8 0
3 years ago
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2/5x = 6<br> (One Step Equation)
BaLLatris [955]

Answer:

2x/5 = 6

x 5     x 5

2x = 30

divide by 2 on both sides

x = 15

4 0
3 years ago
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Which expression is equivalent to -8?
torisob [31]

2/8 I think....:| :|○~○

7 0
3 years ago
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