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jeka57 [31]
4 years ago
6

I forget how to do this,thanks for the help!

Mathematics
1 answer:
miss Akunina [59]4 years ago
4 0

Answer:

x=12

Step-by-step explanation:

The sum of the angles of a triangle is 180 degrees

5x+8x+2x =180

Combine like terms

15x = 180

Divide by 15 on each side

15x/15 =180/15

x=12


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ANSWER ASAP PLS..........
Korolek [52]

The length of one leg of the right triangle is 5√10

<h3>How to find the leg of a right triangle?</h3>

The leg of a right triangle can be found as follows;

Therefore, using trigonometric ratios,

sin 45 = opposite / hypotenuse

sin 45 = x / 10√5

1 / √2 = x / 10√5

cross multiply

10√5 = x√2

divide both sides by √2

x = 10√5 / √2

x = 10√5 / √2 × √2 / √2

x = 10√10 / 2 = 5√10

learn more on right triangle here: brainly.com/question/3398476

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8 0
2 years ago
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Source:trust me bro

5 0
3 years ago
I need help .........
seraphim [82]

Answer:

Step-by-step explanation:

Lets break each problem down before we answer it so it help to understand what we are looking for.

Vocabulary:

  Unit Rate: how many units of the first type of quantity corresponds to one unit of the second type of quantity. (12 inches to 1 foot)

Unit Rates:

Problem 1: Top left

A boy delivers 189 papers in 3 hours

\frac{189 papers}{3 hours} \\189/3\\\frac{63 papers}{1 hour}

Unit Rate: 63 papers delivered per hour

In simple terms, all we are doing is creating a fraction then simplifying it :)

Problem 2: Top right

It costs $8.40 for 12 cupcakes

\frac{8.40}{12 cupcakes} \\8.40/12\\\frac{0.70}{1 cupcake}

Unit Rate: For every $0.70, it costs one cupcake

Problem 3: Bottom left

5 miles in 50 minutes

\frac{5 miles}{50 minutes} \\5/50\\\frac{1 mile}{10 minutes}

Unit Rate: For every one mile ran, it takes 10 minutes

Problem 4: Bottom right

375 passengers distributed between 5 cars

\frac{375 passengers}{5 cars} \\375/5\\\frac{75 passengers}{1 car}

Unit Rate: For ever 75 passengers, there is one car

Hope this Helps!

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Answer:

Step-by-step explanation:

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