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Art [367]
3 years ago
5

An angle measures 45.6° less than the measure of its complementary angle. What is the measure of each angle?​

Mathematics
2 answers:
Iteru [2.4K]3 years ago
6 0

Step-by-step explanation:

Let the first angle be x,

second angle= x-45.6°

Now,

x+(x-45.6)°=90°

x+x-45.6°=90°

2x-45.6°=90°

2x=90°+45.6°

2x=135.6

x=135.6/2

x=67.8

Hence,

First angle= x= 67.8°

Second angle= x-45.6°= 67.8°-45.6°= 22.2°

alexdok [17]3 years ago
3 0

Let the angle be x

  • Other angle be x+45.6

ATQ

\\ \bull\longmapsto x+x+45.6=90

\\ \bull\longmapsto 2x+45.6=90

\\ \bull\longmapsto 2x=90-45.6=44.4

\\ \bull\longmapsto x=44.4/2=22.2

  • x+45.6=22.2+45.6=67.8
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4 years ago
Which graph shows the quadratic function y = 3x2 − 12x + 10? (5 points)
eduard

ANSWER

The graph in option D.

EXPLANATION

The given function is:

y = 3 {x}^{2}  - 12x + 10

We complete the square to obtain:

y = 3( {x}^{2}  - 4x) + 10

y = 3( {x}^{2}  - 4x +  {( - 2)}^{2} ) + 10  -  3 {( - 2)}^{2}

y = 3{( x- 2)}^{2}+ 10  - 12

y = 3{( x- 2)}^{2}  - 2

The graph of this function opens upwards and has its vertex at (2,-2).

The y-intercept is 10.

From the options the graph that satisfies all these properties is D.

5 0
3 years ago
I need help please ????
Rudiy27

9514 1404 393

Answer:

  see attached

Step-by-step explanation:

I like to use a spreadsheet for repetitive calculations. The distances are computed from the distance formula:

  d = √((x2 -x1)^2 +(y2 -y1)^2)

The results are shown in the second attachment. The drawing in the first attachment has the lengths rounded to the nearest tenth.

7 0
3 years ago
$1334 is deposited into a savings account at 8% interest, compounded quarterly. To the nearest year, how long will it take for t
Varvara68 [4.7K]

Answer:

  84 years

Step-by-step explanation:

The future value of an investment is given by ...

  FV = P(1 +r/n)^(nt)

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It will take about 84 years for the account balance to reach $1,000,000.

5 0
4 years ago
Simplify (3n – 2m)^2 = ?
pochemuha
(3n - 2m)(3n - 2m)

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Hope this helps!
8 0
3 years ago
Read 2 more answers
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