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uranmaximum [27]
3 years ago
9

All of the following expressions are equivalent except:

Mathematics
2 answers:
kkurt [141]3 years ago
7 0
A, sub in a random number as x in all equations and solve, eg- x= 3
2-3= -1
3-2=1
-2 +3= 1
3-2=1
alexandr402 [8]3 years ago
6 0

Answer:

  A.  2-x

Step-by-step explanation:

There are a number of ways you can look at this. You can look at the sign of 2, or you can look at the sign of x, or you can rewrite all of the expressions in standard form (decreasing powers of x). In standard form, we have ...

  A: -x +2

  B: x -2

  C: x -2

  D: x -2

Clearly, the different expression is choice A.

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The intercepts of the equation x^2 + 4y^2 = 16 are ___<br> PLEASE HELP
Eva8 [605]
Yintercepts are where x=0
set to zero to solve

0^2+4y^2=16
4y^2=16
divide 4
y^2=4
sqrt both sides
y=+/-2

xintercept is where y=0

x^2+4(0)^2=16
x^2+0=16
x^2=16
sdqrtboth sides
x=+/-4

yintercepts are (0,2) and (0,-2)
xintercepts are (4,0) and (-4,0)
3 0
4 years ago
Melanie equally shares 25 meters of paper to create 9 banners
Dvinal [7]

Question: Which situation is represented by \frac{25}{9}?

Option A: Melanie equally shares 25 meters of paper to create 9 banners

Option B: Quill gives way 9 baseball cards from a pack of 25 cards.

Option C: George invites 25 kids and 9 adults to his birthday party.

Option D: Becca create 9 rows with 25 buttons.

Answer:

Solution:

Option A: Melanie equally shares 25 meters of paper to create 9 banners.

The fraction is \frac{25}{9}.

Option B: Quill gives way 9 baseball cards from a pack of 25 cards.

The fraction is \frac{9}{25}

Option C: George invites 25 kids and 9 adults to his birthday party.

Here, 25 + 9.

Option D: Becca create 9 rows with 25 buttons.

Here, 9 × 25.

Hence the answer is Option A: Melanie equally shares 25 meters of paper to create 9 banners.

7 0
3 years ago
What is 5+5? and what is 19 +2?
FromTheMoon [43]
5 plus 5 is 10
19 plus 2 is 21
3 0
3 years ago
Read 2 more answers
How does the bar in a fraction represent division
liubo4ka [24]
It represents division because It indicates that a division of the numerator by the denominator will be done.
5 0
3 years ago
Read 2 more answers
What is the value of x ? <br> i really need help with this.. i have to type the answer in
zimovet [89]

<em><u>Answer:</u></em>

x = 8

<em><u>Step-by-step explanation:</u></em>

Okay, so with the info here, we know that angle RXS is 4x + 1, angle SXT is x + 9, and angle RXT is 50.

Angle RXT is angle RXS + angle SXT because it's on the diagram. So from

RXT = RXS + SXT, we can creat the equation:

50 = (4x + 1) + (x + 9) [Because we plug in the values]

So from here, we have to solve the equation:

50 = (4x + 1) + (x + 9)

First, we want to simplify everything so:

50 = 5x + 10

Then we want to isolate the variable so:

50 - 10 = 5x + 10 - 10

40 = 5x

40/5 = 5x/5

8 = x

<u>x = 8</u>

5 0
3 years ago
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