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olga_2 [115]
3 years ago
15

How many solutions does the system of equations below have? Y=-x-3 2y+2x=-6

Mathematics
1 answer:
adell [148]3 years ago
5 0
You can tell that there is only 1 solution because it is a linear system of equations. If you are not convinced, work it out yourself. :)

Hope this helps
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Help me pls this is very hard for me and plus i gotta turn this in tomorrow
faltersainse [42]

Answer: \Large\boxed{x=40^\circ}

Step-by-step explanation:

<u>Given information</u>

∡ 1 = 90°

∡ 2 = 50°

∡ 3 = x°

Total Angle = 180° <em>(Triangle angle sum theorem)</em>

<u>Given formula</u>

∡ 1 + ∡ 2 + ∡ 3 = Total Angle

<u>Substitute values into the formula</u>

(90) + (50) + (x) = (180)

<u>Combine like terms</u>

140 + x = 180

<u>Subtract 140 on both sides</u>

140 + x - 140 = 180 - 140

\Large\boxed{x=40^\circ}

Hope this helps!! :)

Please let me know if you have any questions

6 0
1 year ago
How do you find compound interest and simple interest?
Goshia [24]
Step 1: Multiply the Principal, which is the amount borrowed, by the interest rate.

Step 2: Compute compound interest using the following formula: A= P(1+r/n)

Hope this helps u

6 0
3 years ago
Which is the graph of f(x) = –(x + 3)(x + 1)?
Lostsunrise [7]

Answer:

Option 2

Step-by-step explanation:

We know that the graph will face down (the negative sign)

We also know that the vertex should be (-2, 1)

Therefore, option 2 is the solution

5 0
2 years ago
Read 2 more answers
Nancy walked 516 yards in 6 minutes and then another 368 yards in 4 minutes. What was Nancy's average speed? * A. 89 yd/min B. 8
Rina8888 [55]
Average speed = (total distance covered) / (time to cover the whole distance)
 
Total distance = (516 + 368) = 884 yards
Total time  = (6 + 4) = 10 minutes  

Average speed = (884 yards) / (10 minutes)

Average speed = 88.4 yards/minute  (C)


Other ways to write the same speed:

-- 4.42 feet/second
-- 265.2 feet/minute
-- 53.04 inches/second
-- 5,304 yards/hour
-- 3.014 mph (rounded)
-- 810.07 furlong/fortnight
7 0
3 years ago
Sarah started her day with a fullback apples up and make an Apple Pie when she's three apples she knows that she has 12 apples w
lisov135 [29]
The question is a little hard to understand... let me see what i can do. I'll edit what i figure out on here. :) (PS) Did you reword the question? Do you think you could double check and make sure this is what the question looks like?


Started her day with a full bag of apples (?)
She needs 3 for an apple pie
She had 12 total (?)

Or maybe she needs 12 for a pie and now she has 3?
3 0
2 years ago
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