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Sliva [168]
3 years ago
14

What is a solution to the equation x 2 = 121.

Mathematics
2 answers:
pishuonlain [190]3 years ago
8 0

<em>Answer,</em>

<em>X = 11 or -11</em>

<em>Explanation,</em>

<em><u>Let's solve your equation step-by-step</u></em>

<em>x^2 = 121</em>

<em><u>Step 1: Take square root.</u></em>

<em>x = ± √121</em>

<em><u>x = 11 or x = −11</u></em>


<u><em>Hope This Helps :-)</em></u>

gizmo_the_mogwai [7]3 years ago
6 0

x=11,-11 there you  go


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If Keira spends $45 on petrol, 1/ 9 of the money on other items and 1 /5 of the money on clothes. How much money does she spend
gogolik [260]

Answer:

The money Keira spent on food is $31.

Step-by-step explanation:

Total money spent by Keira = $45

Things Keira spent money on:

1. Clothing

2. Food

3. Other items

Money spent on Clothing = 1/5 of total money

= 1/5 x $45

Money spent on Clothing = $9

Money spent on Other Items = 1/9 of total money

= 1/9 x $45

Money spent on Other Items = $5

Money spent of on Food = Money spent - (Money spent on clothing + other items)

Money spent on food = 45 - (9+5)

= 45 - 14

Money spent on food = $31

4 0
3 years ago
Follow the process of completing the square to solve 2x2 + 8x - 12 = 0.
Rom4ik [11]
Please:  Use "^" to denote exponentiation:  <span>2x^2 + 8x - 12 = 0

Reduce this by div. every term by 2:             </span><span>x^2 + 4x - 6 = 0

Here a=1, b=4 and c = -6.  Square half of b, obtaining (4/2)^2 = 4, and add, and then subtract, this 4 to x^2 + 4x - 6:

</span> x^2 + 4x +4  - 4 - 6 = 0.  Rewrite the square as (x+2)^2, obtaining new equation

(x+2)^2 = 10.  Take the sqrt of both sides:   x+2 = plus or minus sqrt(10).

Finally, solve for x:  x = -2 plus or minus sqrt(10).



8 0
3 years ago
Consider the points A(–5, 3) and B(–2, 5).
MariettaO [177]

Answer:

New coordinates for A - (2, -5)

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Step-by-step explanation:

When translating a point to the 7 units right, you must add 7 to the x coordinate. When translating a point 8 units down you must subtract 8 from the y coordinate.

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3 years ago
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2 years ago
Slope is 2 and goes through the point (0,-11)
DIA [1.3K]

Answer:

y = 2x - 1

Step-by-step explanation:

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