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aleksklad [387]
2 years ago
6

From 6x2−7xy+8y2 subtract the sum of x2−3xy−y2 and 2x2+5xy−4y2

Mathematics
1 answer:
Gemiola [76]2 years ago
4 0
° represents square: power of 2.
Answer: 8 - 9xy + 13y°- x°


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Assume f(x)=-2x+8 and g(x)=3x. what is the value of (g o f)(3)
Olin [163]

Answer:

6

Step-by-step explanation:

(g o f)(3) = g(f(3))

We can find f(3) using its formula with x=3:

f(3) = -2·3 +8 = -6 +8 = 2

Now, we can find g(2) using its formula with x=2:

g(2) = 3·2 = 6

So, the composition value is ...

(g o f)(3) = 6

7 0
3 years ago
Charlotte is going to an amusement park. The price of admission into the park is $30, and once she is inside the park, she will
deff fn [24]

Answer:

If Charlotte goes on 15 rides, should would have to pay a total of $105

Step-by-step explanation:

Admission $30

Price Per Ride $5

r = rides

? = 30 + 5r

? = 30 + 5(15)

? = 30 + 75

? = 105

5 0
2 years ago
Need help, “Find the volume of each rectangular prism. Round to the nearest tenth if necessary.”
mario62 [17]


1) We know that volume= base area x height, so 306.52= 19.4 x height.

To find the height you have to divide 306.52/19.4 which would give you the height. The height is 15.8m.

8 0
3 years ago
Which of the following is equivalent to the equation below
NNADVOKAT [17]
1- A = B = m²-16

2- D = 4x²-3 proof: (8x³-6x)/2x =2x(4x²-3)/2x simplify to get the answer
5 0
3 years ago
On a Sunday night, there are four people on a bus. The bus has five stops left before it end sits route. Suppose each person wil
allochka39001 [22]

There are two possible outcomes of this experiment either success p or failure q. It has a given number of trials and all trials are independent therefore it is<u><em> binomial probability distribution.</em></u>

1-  5 ways

2- 5/16

3- 1/16

4- 1/16

In the question given above n= 5 p =1/2 q= 1/2  r is the given point.

  1. <u>Part 1:</u>

The number of ways in which different people get off the bus can be calculated using combinations since the order is not essential. Therefore

nCr= 5C4= 5 ways

<u>2. Part 2:</u>

The probability that all four people get off the bus on the first stop is given by :

P (x= 1)= 5C1 (1/2)^0(1/2)^4= 5(1/2)^4= 5/16

<u>3. Part 3:-</u> The probability that all four people get off the bus on the same stop.

P (x= x)= 5C5 (1/2)^0(1/2)^4= 1(1/2)^4= 1/16

<u>4. Part 4-</u> The probability that <u><em>exactly three of the four</em></u> people get off the bus on the same stop.

P (x= x)= 5C5 (1/2)^3(1/2)^1= 1(1/2)^4= 1/16

For binomial distribution click

brainly.com/question/15246027

brainly.com/question/13542338

3 0
2 years ago
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