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Arlecino [84]
4 years ago
9

Which of these 3 curves drawn matches the graph of y=2x^2+x

Mathematics
1 answer:
zimovet [89]4 years ago
8 0

Answer:

Slope: 1

y-intercept: 8

Step-by-step explanation:

x, y

-8,0

0,8

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In a recent survey, students were asked how long they play video games in one sitting. The interquartile range of
Alex Ar [27]

Answer:

The middle half of the video game data has a range that is 43 minutes wide.

Step-by-step explanation:

Thats the answer on Edguinity I took the Quiz.

5 0
3 years ago
Here are two sets of numbers, a and b. Set a :200,104,100,160. Set b: 270,400,483,300, x. Mean of set a: mean of set b= 3:8. Wor
LenKa [72]

Given:

The given sets are:

Set a : 200, 104, 100, 160.

Set b: 270, 400, 483, 300, x.

Mean of set a: mean of set b= 3:8

To find:

The value of x.

Solution:

Formula for mean:

Mean=\dfrac{\text{Sum of observations}}{\text{Number of observation}}

The mean of set of a is:

Mean=\dfrac{200+104+100+160}{4}

Mean=\dfrac{564}{4}

Mean=141

The mean of set of b is:

Mean=\dfrac{270+400+483+300+x}{5}

Mean=\dfrac{1453+x}{5}

Mean=\dfrac{1453+x}{5}

It is given that,

Mean of set a: mean of set b= 3:8

\dfrac{141}{\dfrac{1453+x}{5}}=\dfrac{3}{8}

\dfrac{705}{1453+x}=\dfrac{3}{8}

8\times 705=3\times (1453+x)

5640=4359
+3x

Isolate the variable x.

5640-4359
=3x

1281
=3x

Divide both sides by 3.

\dfrac{1281}{3}
=x

427
=x

Therefore, the value of x is 427.

3 0
3 years ago
Can someone help me with this
Kipish [7]

Answer:

Graphed in the wrong place... the equation says the y-intercept is at -24 but there is no intercept drawn!!!!!!

Step-by-step explanation:

5 0
3 years ago
Which of the following is true?
Andrei [34K]

Answer:

RT is an altitude of GRS

Step-by-step explanation:

An altitude is an angle that shoots through the tip of a triangle. RT and QRS share that.

8 0
2 years ago
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James Middle School, 500 students were asked their favorite sport to watch on TV 35% of the students like watching basketball 15
Anni [7]
I don’t get this so I can’t help with this is a hard answer
5 0
3 years ago
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