3x2 = 147

Question

Asked 4/3/2013 2:13:07 PM

Updated 5/28/2014 7:55:26 PM

5 Answers/Comments

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Flagged by yeswey [5/28/2014 7:48:55 PM]

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Question

Asked 4/3/2013 2:13:07 PM

Updated 5/28/2014 7:55:26 PM

5 Answers/Comments

This conversation has been flagged as incorrect.

Flagged by yeswey [5/28/2014 7:48:55 PM]

Rating

3

3x^2 = 147

x^2 = 147/3

x^2 = 49

x = 7 or -7.

x^2 = 147/3

x^2 = 49

x = 7 or -7.

Added 5/28/2014 7:49:31 PM

This answer has been confirmed as correct and helpful.

Confirmed by yumdrea [5/28/2014 7:59:39 PM]

3

2(x + 7)^2 = 64

(x + 7)^2 = 64/2 = 32

x + 7 = ± sqrt 32

x = -7 ± 4 sqrt 2

(x + 7)^2 = 64/2 = 32

x + 7 = ± sqrt 32

x = -7 ± 4 sqrt 2

Added 5/28/2014 7:50:51 PM

This answer has been confirmed as correct and helpful.

Confirmed by yumdrea [5/28/2014 8:00:27 PM]

3

(x - 3)^2 = 5

x - 3 = ± sqrt 5

x = 3 ± sqrt 5

x - 3 = ± sqrt 5

x = 3 ± sqrt 5

Added 5/28/2014 7:52:07 PM

This answer has been confirmed as correct and helpful.

Confirmed by yumdrea [5/28/2014 8:02:32 PM], Unconfirmed by yumdrea [5/28/2014 8:02:34 PM], Confirmed by jeifunk [5/29/2014 5:40:58 AM]

3

x^2 - 49 = 0

(x + 7)(x - 7) = 0

x = -7 or x = 7

(x + 7)(x - 7) = 0

x = -7 or x = 7

Added 5/28/2014 7:52:50 PM

This answer has been confirmed as correct and helpful.

Confirmed by yumdrea [5/28/2014 8:02:36 PM]

3

y^2 + 7y = 18

y^2 + 7y - 18 = 0

(y - 2)(y + 9) = 0

y - 2 = 0 or y + 9 = 0

y = 2 or y = -9

the equation that could be used to solve y^2+7y=18 by factoring is y - 2 = 0 and y + 9 = 0

y^2 + 7y - 18 = 0

(y - 2)(y + 9) = 0

y - 2 = 0 or y + 9 = 0

y = 2 or y = -9

the equation that could be used to solve y^2+7y=18 by factoring is y - 2 = 0 and y + 9 = 0

Added 5/28/2014 7:55:26 PM

This answer has been confirmed as correct and helpful.

Confirmed by yumdrea [5/28/2014 8:03:21 PM]

The giant monolith Uluru, or Ayers Rock, can be found in _____.
Papua New Guinea
New Caledonia
New Zealand
Australia

Question

Updated 6/27/2015 6:01:49 PM

1 Answer/Comment

y2 - 5y = 3
**Weegy:**
y^2+5y+6=0
y^2+3y+2y+6=0
y(y+2)+2(y+3)=0
(y+2)(y+3)=0
y+2=0 - - - - - > y = -2
y+3=0- - - - - - - -> y = -3
solution set y = -2 and -3
**User:** x2 + 6x = - 9. Hint: This is a double root. **Weegy:** x=2 is the answer. **User:** (x - 8)2 = 48 **Weegy:** The simplify answer for this problem is x to the second power/4 -y to the second power **User:** Solve 2x 2 - 7x - 15 = 0. **Weegy:** the answer is 25 **User:** Identify the following series as arithmetic, geometric, both, or neither.
-3 + 3 - 3 + 3 - 3 + . . . **Weegy:** Geometric **User:** Evaluate C(4, 4) **Weegy:** 4! = 4 x 3 x 2 x 1 = 24. [smile] **User:** How many subsets of three elements each exist in a set of six elements?
3!
C(6, 3)
P(6, 3)
**Weegy:** Please specify your question. Thanks! **User:** Find the circular permutation for 5 things taken 5 at a time. (More)

Question

Not Answered

Updated 5/28/2014 7:48:00 PM

2 Answers/Comments

x^2 + 6x = - 9

x^2 + 6x + 9 = 0

(x + 3)(x + 3) = 0

x = -3

x^2 + 6x + 9 = 0

(x + 3)(x + 3) = 0

x = -3

Added 5/28/2014 7:44:22 PM

This answer has been confirmed as correct and helpful.

Confirmed by yumdrea [5/28/2014 8:04:31 PM]

A compound experiment consists of drawing at random twice without replacing from a jar with 3 red, 3 white, and 2 black marbles. What is the probability of getting first a red and then a black marble?
**Weegy:** 10% **User:** Find the distance between the points (-2, 4) and (5, 4).
**User:** Choose the correct conic section to fit the equation.
49x 2 - 16y 2 = 784
**Weegy:** The answer is "Circle " **User:** The volume of a box(V) varies directly with its length(l). If one of the boxes has a volume of 288 cubic inches and a length of 12 inches, what is the constant of proportionality for the group of boxes?
**Weegy:** 24 cubic inches **User:** Which of the following equations is of an ellipse with x-intercepts of (3, 0) and (-3, 0) and y-intercepts at (0, 1) and (0, -1)? **Weegy:** no slope means m = 0 in y = mx + b
line through (- 3, 0) is y - 0 = 0(x + 3) Or y = 0 **User:** Select the property that allows m + 0 to be written as m.
(More)

Question

Not Answered

Updated 7/8/2014 2:51:47 AM

4 Answers/Comments

The distance between the points (-2, 4) and (5, 4) is 7.

Added 7/8/2014 2:47:15 AM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [7/8/2014 4:24:45 AM]

The correct conic section to fit the equation 49x^2 - 16y^2 = 784 is Hyperbola.

Added 7/8/2014 2:48:32 AM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [7/8/2014 4:24:55 AM]

The equation of an ellipse with x-intercepts of (3, 0) and (-3, 0) and y-intercepts at (0, 1) and (0, -1) is x^2/9 + y^2/1 = 1 or x^2 + 9y^2 = 9.

Added 7/8/2014 2:49:53 AM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [7/8/2014 4:25:04 AM]

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