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sammy [17]
2 years ago
11

There s 2 different pictures that need two different answers

Mathematics
1 answer:
pantera1 [17]2 years ago
8 0

Answer:

x = 14.6

x = 6.4

Step-by-step explanation:

Trig identities:

sin(x)=\dfrac{O}{H} \ \ \ \ \ cos(x)=\dfrac{A}{H} \ \ \ \ \ tan(x)=\dfrac{O}{A}

where

  • x = angle
  • O = side opposite the angle
  • A = side adjacent the angle
  • H = hypotenuse

sin(55)=\dfrac{12}{x}\\\\\implies x=\dfrac{12}{sin(55)}\\\\\implies x=14.6

tan(62)=\dfrac{12}{x}\\\\\implies x=\dfrac{12}{tan(62)}\\\\\implies x=6.4

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Help me plz!!!!! I have no ideia how to do this
BlackZzzverrR [31]

Answer:

<h2>x² = -3</h2>

Step-by-step explanation:

In algebra, the goal is always to isolate the variable, so its value can be determined.

<h3>Step 1: Subtract 21</h3>

7x² = -21

<h3>Step 2: Divide by 7</h3>

x² = -3

<h3>Step 3: Check</h3>

7(-3) + 21 = 0

0 = 0 ✔

<h3>Step 4: Answer</h3>

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I'm always happy to help :)

4 0
3 years ago
Which transformation can NOT be used to prove that ABC is congruent to DEF?
Alexxx [7]

Answer: it is dilation

Step-by-step explanation: i took the exam

7 0
2 years ago
Read 2 more answers
Patrick is keeping track of how far he jogs each morning.
katrin2010 [14]

Answer:

21:50

Step-by-step explanation:

We need to find the ratio of 420 m to 1 km.

We know that,

1 km = 1000 m

So,

The ratio becomes,

\dfrac{420\ m}{1\ km}=\dfrac{420\ m}{1000\ m}\\\\=\dfrac{42\ m}{100\ m}\\\\=\dfrac{21}{50}

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5 0
3 years ago
1 +100000 what is the best answer​
serg [7]

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2 years ago
Geometry!! <br><br>help me!!! ​
Tems11 [23]

Answer:

1. a=85.8 c=89.2

2. x=29.7 8x=2937. 3

Step-by-step explanation:

2. 8x+x+27°+66°=360°

8x+x=360°-66°-27°

9x=267 >Then divide both sides with 9

x=<u>29</u><u>,</u><u>666666</u><u>.</u><u>.</u><u>.</u>

<u> </u><u> </u>

=8X

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=237,333...

1. 6X+4X+32°=180°

10X=180°-32

10X=148° >divide both sides with 10

X=14.8

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=6(14.8) =4(14.8)+32

= 88.8 =91.2

7 0
2 years ago
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