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Lubov Fominskaja [6]
3 years ago
7

Help!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Stels [109]3 years ago
7 0
(1,4) because when you substitute 1 in for x and 4 for y, you get 5(1) - 7(4) or 5 - 28 which equals -23
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Write a paragraph comparing the two classes' semester grades. Be sure to compare the extremes, the quartiles, the medians, and t
Gnom [1K]

Answer:

Second class have higher marks and greater spread.

Step-by-step explanation:

First box plot  represents class first. From the first box plot, we get

\text{Minimum value }= 53,Q_1=62,Median=80,Q_3=86,\text{Maximum value }= 89

Range=Maximum-Minimum=89-53=36

IQR=Q_3-Q-1=86-62=24

Second box plot  represents class second. From the second box plot, we get

\text{Minimum value }= 56,Q_1=62,Median=74,Q_3=89,\text{Maximum value }= 96

Range=Maximum-Minimum=96-56=40

IQR=Q_3-Q-1=89-62=27

First class has greater minimum value, first quartile of both classes are same, second class has greater median, first class has greater third quartile and first class has greater maximum value. It means second class have higher marks but class first have less variation.

Second class has greater range and greater inter quartile range. It means data of second class has greater spread.

Therefore, second class have higher marks and greater spread.

3 0
2 years ago
You went to the mall with $80. You spent 25% of your money on a pair of shorts and 65% of the remainder on sandals. How much did
Lapatulllka [165]
He spent $52 on sandals. I got this by multiplying 65% by $80 and got $52.

In short answer $52 
4 0
3 years ago
Read 2 more answers
How do I find and what is the x?
Kisachek [45]

Answer:

STEP ONE: 2x

STEP TWO: 5=X (should be the final answer)

Step-by-step explanation:

Hi Lasagna!

So basically, this is extremely simple. In order to "solve" that equation, the x has to be on one side. The easiest way to do this would be to take the 2x to the other side. If you want the 2x to go to the other side, you need to subtract it (since it is already positive, therefore it <em>needs </em>to cancel out). Once you do that, you must always do the same thing to the other side: subtract 2x from 3x. That should get you one x there, which you can just write as x if it's just one. Then you're all set! :D

5 0
3 years ago
Read 2 more answers
Evaluate 4x exponent 2+ 2x-1 for x=9
olasank [31]

The value of given expression is 341

Solution:

Given that we have to find the value of given expression

<em><u>Given expression is:</u></em>

4x^2 + 2x - 1

Given value is x = 9

<em><u>Substitute x = 9 in given expression</u></em>

\rightarrow 4(9)^2+2(9) - 1

Solve the above expression

\rightarrow 4 \times (9 \times 9) + 18 -1\\\\\rightarrow 4 \times 81 + 17\\\\\text{Multiply the terms 4 and 81 }\\\\\rightarrow 324 + 17\\\\\text{Add the numbers }\\\\\rightarrow 341

Thus the value of given expression is 341

8 0
3 years ago
Will give brainlist if correct.
boyakko [2]

Answer:

d

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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