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agasfer [191]
2 years ago
6

A polynomial function has roots of -5,2 and 7

Mathematics
1 answer:
sveta [45]2 years ago
3 0

Answer:

P(x) =x³-4x²-31x+70

Step-by-step explanation:

The function is expressed as:

P(x) = (x+5)(x-2)(x-7)

P(x) =(x²-2x+5x-10)(x-7)

P(x) = (x²+3x-10)(x-7)

P(x) = x³-7x²+3x²-21x-10x+70

P(x) =x³-4x²-31x+70

Hence the polynomial is P(x) =x³-4x²-31x+70

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A 5-kg ham is sliced for sandwiches. There are 125 slices. How many grams are in each slice?
stellarik [79]
There are 40grams in each slice because 5kg / 125 = 0.04kg = 40g


Hope his helps!! And if it does, plz make Brainliest!
5 0
2 years ago
Which measure is most appropriate to describe the center of the data in the stem-and-leaf plot below?
FrozenT [24]

Answer:

median

Step-by-step explanation:

The centre of every data set is the second quartile/50th percentile/median

3 0
3 years ago
Read 2 more answers
Helpp what is the y- value when x equals 21? y = 650 - 16 (x)
11111nata11111 [884]

Answer:

y = 314

Step-by-step explanation:

y = 650 - 16x

y = 650 - 16(21)

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6 0
3 years ago
What is the number 4.082 rounded to nearest hundreth?
iragen [17]
The 2nd number position after the decimal is always the hundredth position, so we will work from there. To round a number, you must examine the number that comes after the number you are trying to round. In this case the number you are trying to round is the 8 so we have to look at the 2. because the two is a number less than 5, the 8 will remain an 8 and your rounded answer is 4.08. If that two had been a number greater than 5 than the 8 would have become a 9 and your answer would have been 4.09. When rounding always remember: "5 to 9, up the line; 0 to 4, down to the floor."
7 0
2 years ago
18. One number is 3 less than a second number. Twice the second number is 12 more than 3 times the first.
bekas [8.4K]

Answer: The numbers are -3 and - 6

Step-by-step explanation:

Let the first number be x and the second number be y , then from the first statement we have

x + 3 = y  ............. equation 1

From the second statement

2y  = 3x + 12 ............ equation 2

solving the resulting simultaneous equation by substitution method ,we have:

substitute x - 3= y  into equation 2 , we have

2( x + 3) = 3x + 12

2x + 6 = 3x +  12

2x - 3x = 6

x = -6

substitute x = - 6 into equation 1 , that is

- 6 + 3 = y

Therefore ,

y = -3

2y = 3y + 3

Check:

x + 3 = y , implies

-6 + 3 = -3 = y

Also 2y = 3x + 12 , implies

2(-3) = -6

3(-6) + 12 = -6

4 0
3 years ago
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