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Vinvika [58]
4 years ago
12

Which ones are polynomials? Plz hurry

Mathematics
1 answer:
Gekata [30.6K]4 years ago
7 0

Answer:

that don't matter just the pre test if u get a good grade on a pre test you don't got ot do the lesson.

Step-by-step explanation:

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HELP ME PLEASE!
leva [86]
The answer is choice A

The sample space is basically the set of all possible outcomes. Each outcome is a pair of results from drawing a card coupled with spinning a spinner. 

Table A represents all of the possible outcomes properly. The card results are along the column on the left side. The spinner results along the row up at the top. Each cell is an intersection of the left and top result. For example, row1,column3 has "red,purple" to indicate you got "red" on the spinner and "purple" on the card. Each cell in table A is correctly labeled.

The other tables (B, C, D) are improperly labeled in at least one cell. 
* Table B has "blue, green" in the top row" middle cell when it should be "blue, purple"

* Table C has "green, green" in the upper left corner when it should be "green, purple"

* Table D has "blue, blue" in the bottom middle cell when it should be "blue, green". Saying "blue,blue" is impossible as there isn't a blue card.

The three items mentioned above help us eliminate choices B through D.
7 0
3 years ago
Read 2 more answers
What are the coordinates of the focus of the parabola? (X+1)^2=-8(y-2)
Leni [432]

Answer:

C. (-1, 0)

Step-by-step explanation:

(You don't need a picture to figure this out...it's simple algebraic manipulation.)

We could start off by rewriting the equation for the parabola with the negative on the other side, which tells us then that the parabola opens downward:

-(x+1)^2=8(y-2)

Dividing both sides by -1 doesn't change anything.  Because this parabola opens downward, the focus is p units below the vertex at the same x-coordinate.  The vertex can be found from the equation to be (-1, 2).  The standard form of a parabola of this type is

-(x-h)^2=4p(y-k)

where is the number of units between the vertex and the focus.  Our equation to find p is:

4p = 8 so p = 2.

That means that the focus is 2 units below the vertex at the x coordinate of -1.  Moving 2 units down from the y coordinate of 2 leaves us at a y coordinate of 0.  Therefore, the coordinates of the focus have to be (-1, 0)

4 0
4 years ago
Advice columnist Ann Landers once asked her readers with children to answer the following question: "If you had it to do over ag
ivanzaharov [21]

Answer:

Option D is correct

Step-by-step explanation:

This is true because people who have been emotionally affected by their children are probably more likely to respond than people who are happy with having children that is why it can be seen that we have a high response of "no"

6 0
3 years ago
Solve 3t + 2 = 5t - 4
Talja [164]

Answer:

3

Step-by-step explanation:

3t + 2 = 5t - 4

3t - 5t = -4 - 2

-2t = -6

t = 6/2

t = 3

7 0
3 years ago
Read 2 more answers
The farmer decided that he ordered enough planks for an arena that measured 115 1/4 ft by 63 1/2 ft. Is he correct? Explain.
Mars2501 [29]

Answer:

<h2>The question we need to answer is what is the perimeter of the arena</h2>

Step-by-step explanation:

The question we need to answer is what total length of plank did the farmer ordered for the arena.

to solve for the length of plank to cover the arena we need to solve for the perimeter of the arena.

given data

length L= 115 1/4 ft = 115.25ft

width W= 63 1/2 = 63.5ft

perimeter= 2L+2W

perimeter= 2(115.25)+2(63.5)

perimeter= 230.5+127

perimeter= 357.5ft

This means that the farmer ordered a total length of 357.5ft of plank

3 0
3 years ago
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