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skelet666 [1.2K]
3 years ago
15

The curve with equation y = x - 3x + 1 is reflected in the x-axis.

Mathematics
1 answer:
ankoles [38]3 years ago
7 0

Answer:

Step-by-step explanation:

C

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Select all that apply.
zhenek [66]

Answer:

seventy eight is 55% of 141.818182

which is 78=(0.55)w

8 0
2 years ago
40 points cmon someone help pls
elena-s [515]

Answer:

sin \theta =\cfrac{7}{8}

Step-by-step explanation:

Using the given identity, find the  required value as per following steps:

(sin x)^2 + (cos x)^2 = 1

(sin x)^2 = 1 - (cos x)^2

sinx=\sqrt{ 1 - (cos x)^2}

sin \theta = \sqrt{1-(\cfrac{\sqrt{15}}{8})^2  } = \sqrt{1-\cfrac{15}{64} } =\sqrt{\cfrac{49}{64} }=\cfrac{7}{8}

6 0
1 year ago
Read 2 more answers
If x2 – 49 = (x+a) (x – a), what is the value of a?
Ivenika [448]

<em>Answer:</em>

a = 7 & a = −7

<em>Explanation:</em>

Rewrite the equation as

(x+a)(x−a)=x^2−49

Simplify (x+a)(x−a)

x^2−a^2=x^2−49

Move all terms not containing a to the right side of the equation.

−a^2=−49

Multiply each term in −a^2=−49 by −1

a^2=49

Take the square root of both sides of the equation to eliminate the exponent on the left side.

a=±√49

The complete solution is the result of both the positive and negative portions of the solution.

a=7,−7

7 0
3 years ago
Read 2 more answers
You can upgrade lighting at your factory to LED bulbs that coast 6.95 each and last an average of 5 years.
miskamm [114]

Answer:

$200

Step-by-step explanation:

Here is the full question

You can upgrade lighting at your factory to LED bulbs that cost $6.95 each and last an average of 5 years. It costs $3 in labor to change a bulb. Over a 10-year period, about how much will it cost per year to install LED bulbs in 100 lamps and change the bulbs when they burn out?

in 10 years, the bulbs would be changed twice

Total cost incurred per bulb in 10 years = (6.95 +  $3) x 2 = $19.90

Since there are 100 bulbs, total cost incurred would be - $19.90 x 100 = $1990

Cost per year = $1990 /  (6.95 +  $3) = $200

3 0
3 years ago
Name which property is shown in 5 · (-6) · 2 = 2 · 5 · (-6)
Yanka [14]
Communities property because no matter which order you switch to, it is always the same result
4 0
3 years ago
Read 2 more answers
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