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lesya692 [45]
3 years ago
7

HELP PLEASEEEEEEEE!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
mariarad [96]3 years ago
7 0
Plus or minus 3. (The 1st answer)

x^2 means (-3*-3) which equals 9

x^2 means (3838) which also equals 9

6*9=54

Maksim231197 [3]3 years ago
7 0
First u would divide by 6 on both sides to get the x by itself and you would get x squared is equal to 9. Then u would take the sqaure root of both sides because u want to get rid of the squared and a sqaure root un do's that. After square rooting both sides you would get x = 3 because the square root of x squared is x and the square root of 9 is 3. so the answer is Plus or minus 3 or the first choice. Its also plus or minus because two negative 3's would give you nine and two positive 3's would give u 9.
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There are 9 red, 5 yellow, and 7 green jellybeans in a jar. Without replacement what is the probability of choosing a green jell
Mrac [35]

Answer:

3/14 chance first draw

Step-by-step explanation:

There are 14 jellybeans in all, you won’t be replacing so the probability will change with each draw.

Probability the 1st draw is red = 3/14.

Probability the 2nd draw is red = (3–1)/(14–1) = 2/13.

Probability the 3rd draw is red = (2–1)/(13–1) = 1/12.

3/14 x 2/13 x 1/12 = 6/2184 = 1/364 is approximately 0.27%, pretty rare.

8 0
2 years ago
How do you find the missing number of a perfect square trinomial?<br><br> 25x^2 - 60x + ___
Harrizon [31]

Answer:

  36

Step-by-step explanation:

Compare what you have to the square ...

  (a +b)^2 = a^2 +2ab +b^2

Your "a" is √(25x^2) = 5x

Your "2ab" is -60x. Since you know "a", you can find "b".

  2ab = -60x

  2(5x)b = -60x . . . . . . . substitute for "a"

  b = -60x/(10x) = -6

Then the missing term is b^2 = (-6)^2 = 36.

Your trinomial is ...

  25x^2 -60x +<u>36</u>

4 0
3 years ago
4) You are downloading songs for your mp3 player. Six songs cost $5.94. You want to buy 4
jeka57 [31]

Answer:

4 songs: $3.96      8 songs: $7.92

Step-by-step explanation:

  • Divide to find out how much it costs for 1 song.

5.94 / 6 = 0.99      <u>Each song costs $0.99</u>

  • Now multiply $0.99 by (number of songs)

  • 0.99 x 4 = 3.96
  • 0.99 x 8 = 7.92
8 0
3 years ago
A circular field has a diameter of 50 yards. If a fence needs to be built to go around the field, how many yards of fencing are
Xelga [282]

Answer:

A.

Step-by-step explanation:

A fence is needed for the circular field.

Circumference is basically perimeter but for circles.

Knowing this information, we can use the formula for circumference.

C = \pid

C = (3.14)(50)

C = 157

hope it helps :)

4 0
2 years ago
The set of points W(4, 4), X(6, 2), Y(-8, 16) are collinear and the line has a slope of ____.
Anton [14]

Answer: -1

Step-by-step explanation:

Given: The set of points W(4, 4), X(6, 2), Y(-8, 16) are collinear

The slope of a line passing through points (a,b) and (c,d) is given by :-

m=\frac{d-b}{c-a}

Now, the slope of line passing through W(4, 4), X(6, 2) is given by :-

m=\frac{6-4}{2-4}=\frac{2}{-2}=-1

Hence, the slope of line passing through W(4, 4), X(6, 2), Y(-8, 16) =-1

6 0
3 years ago
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