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Scorpion4ik [409]
2 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]2 years ago
6 0

Answer:

21

Step-by-step explanation:

7C2 = 21

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Please please help me out
mihalych1998 [28]

Answer:

A trinomial of degree 5

Step-by-step explanation:

A monomial has only 1 term

A binomial has 2 terms

A trinomial has 3 terms

4x^{5} + 3x³ - 7x ← has 3 terms and is therefore a trinomial

The degree of a polynomial is determined by the largest exponent of the variable in the expression

4x^{5} is the term with the largest exponent in the expression

Hence a polynomial of degree 5

6 0
3 years ago
A smartphone regularly sells for $125. It is on sale this week for $85. The sale
Vladimir [108]

Answer:

68%

Step-by-step explanation:

85 divided by 125 = .68 * 100 = 68

8 0
2 years ago
Read 2 more answers
Determine if the sequence below is arithmetic or geometric and determine
klio [65]

Answer:

It is arithmetic

Step-by-step explanation:

Using the rule T2-T1

We see that 16-22 is -6

We can also try T3-T2

We see that 10-16 is also -6

Their is a constant common difference and that constant common difference is -6.

Hope that helps :)

5 0
2 years ago
Will give Brainly if correct
KengaRu [80]

Answer: -8

Step-by-step explanation: When it says f(x), all you have to do is find value x on the coordinate plane and look up or down until you find a point that runs through that x value.  In this case, if you draw a line on x=5, you can see that it goes across a point that has a y value of -8, which is your answer.

8 0
2 years ago
4. Divide z(5z2 - 80) by 5z (z+4)​
insens350 [35]

Answer:

z-4

Step-by-step explanation:

z(5z²-80) ÷ 5z(z+4) = z-4

Step-by-step explanation:

Given: z(5z²-80) ÷ 5z(z+4)

Calculation:

First we factor numerator z(5z²-80)

Take out 5 from 5z²-80 and we get 5z(z²-16)

Now we factor 16 = 4²

5z(z²-4²)

Using formula, (a²- b²)=(a+b)(a-b)

5z(z²- 4²)⇒5z(z+4)(z-4)

Simplified fraction

5z(z+4)(z-4) ÷ 5z(z+4)

Cancel like factor from numerator and denominator

⇒ z-4

Thus, z(5z²-80) ÷ 5z(z+4) = z-4

5 0
3 years ago
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