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Scorpion4ik [409]
3 years ago
9

A ski patrol unit has seven members available for duty, and two of them are to be sent to rescue an injured skier. In how many w

ays can two of these seven members be selected?
Mathematics
1 answer:
ikadub [295]3 years ago
6 0

Answer:

21

Step-by-step explanation:

7C2 = 21

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The number rule is plus seven
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Please answer asap the photo is below
borishaifa [10]

Answer: 1; -5

Step-by-step explanation:

For this problem, we are asked to find the slope and y-intercept.

We see that this linear line goes through the y-axis at (0,-5). therefore, our y-intercept is -5.

To find the slope, we would use the formula m=\frac{y_{2} -y_{1} }{x_{2}-x_{1}  }. We can use the points (0,-5) and (5,0) since we can clearly see the line goes through these 2 points.

m=\frac{0-(-5)}{5-0} =\frac{5}{5} =1

From our formula, we found that the slope is 1.

For the first box, you would fill in 1, the slope. The second box would be -5, the y-intercept.

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3 years ago
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Simplify the following expression. (2x-3)(5x^4-7x^3+6c^2-9)
jasenka [17]

The simplification of the expression (2x - 3)(5x⁴ - 7x³ + 6x² - 9) is 10x^5 - 29x⁴ + 33x³ - 18x² - 18x + 27

<h3>Simplification</h3>

(2x - 3)(5x⁴ - 7x³ + 6x² - 9)

= 10x^5 - 14x⁴ + 12x³ - 18x - 15x⁴ + 21x³ - 18x² + 27

= 10x^5 - 14x⁴ - 15x⁴ + 12x³ + 21x³ - 18x² - 18x + 27

= 10x^5 - 29x⁴ + 33x³ - 18x² - 18x + 27

The simplified expression is 10x^5 - 29x⁴ + 33x³ - 18x² - 18x + 27

Learn more about simplification:

brainly.com/question/723406

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6 0
2 years ago
The graph of f(x) = (0.2)(x^4 + x^3 – 12x^2) is shown. On a coordinate plane, a graph decreases through (4, 0) to (3, negative 1
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Answer: The answer is A. (-4,0) U (0,3) on edgenuity

Step-by-step explanation:

Cause man. It’s just right okay and thank you byeee

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3 years ago
What is 4x + 6 = -x + 1​
Kamila [148]
Ok so let’s write out the problem
4x+6=-x+1
We first want to get the x’s on one side and the numbers on the other

4x+6=-x+1
+x. +x

5x+6=1

Now we want to get the 6 over


5x+6=1
-6. -6

5x=5

Divide by 5 to get the x alone
X is equal to 1
8 0
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