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devlian [24]
3 years ago
15

3x+2(2x−1)=33 what is x?

Mathematics
1 answer:
klasskru [66]3 years ago
8 0

Answer:

x = 5

Step-by-step explanation:

3x + 2(2x − 1)= 33

simplify

3x + 4x - 2 = 33

7x - 2 = 33

add 2 to both sides

7x - 2 + 2 = 33 + 2

7x = 35

divide both sides by 7

7x/7 = 35/7

x = 5

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Y=4x^2+4 opens upward or downward
maxonik [38]

Answer:

upward

Step-by-step explanation:

y=4x²+4

Look at the coefficient of x²

If it is positive, it opens upward, IF it is negative, it opens downward.

In this case, the x² coefficient is +4, hence it opens upward

(see attached for plot)

3 0
4 years ago
I seriously cannot standddd those ppl who say "PLLEEEASSSSSSEEEEE HELLPPPPPP MEEEEE IT'S DUE IN 2 MINUTES"
beks73 [17]

answer:

yeah or the people whose questions are literally nothing but a g00gle search away it's like you do know that you're practically wasting your points right? lol

have a nice day!

may i have the brainliest pls (i'm trying to become a genius)

answer to your math question-

-<em>3</em>\sqrt[3]{7}<em />

**the steps are in the picture**

7 0
4 years ago
The table shows the average number of hours of daylight per day for the last four months of the year. a 2-column table with 4 ro
mina [271]

The correlation coefficient for the data in the table is A. –0.993

<h3>Calculations and Parameters:</h3>

Using this formula: r = \frac{n(\sum xy)-(\sum x\sum y)}{\sqrt{n\sum x^2-(\sum x)^2}\sqrt{n\sum y^2-(\sum y)^2}}

We would use x and y to represent the unknowns.

n = 4

We have,

  • ∑x = 42,
  • ∑y = 44.37 ,
  • ∑xy = 461.3
  • ∑x^2 = 446,
  • ∑y^2 = 494

Putting these values in the formula r = \frac{n(\sum xy)-(\sum x\sum y)}{\sqrt{n\sum x^2-(\sum x)^2}\sqrt{n\sum y^2-(\sum y)^2}} would bring the answer as. A. –0.993

Read more about correlation coefficient here:

brainly.com/question/4160489

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5 0
3 years ago
(20 points NEED HELP ASAP PLZ)
Alika [10]
Not A for sure but I’m not positive which other one it would be.
7 0
4 years ago
Read 2 more answers
Pls help me with this question
Marysya12 [62]

Answer:

$700

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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