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Alexxandr [17]
3 years ago
12

Right triangles and trigonometry quiz two khan Academy

Mathematics
1 answer:
Gala2k [10]3 years ago
3 0

Answer:

36.9 degrees

Step-by-step explanation:

Calcolate the sine of the angle BAC by dividing the opposite cathetus by the hypthenuse. That gives us 3/5 = 0.6. Now use the calculator to calculate the amplitude of the amgle by using the sin^-1 (or arcsin) function, so write sin^-1(0.6)=36.9.

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The area of ​​the rectangle is equal to the product of the base times the height. What is the measure of the area of ​​the recta
myrzilka [38]

Answer:

A rectangle is a good, simple shape to begin with. The area of a rectangle is equal to the product of the length of its base and the length of its height. The height is a segment that is perpendicular to the base. For a rectangle, the base and height are often called the "length" and the "width", and sometimes the height is referred to as the "altitude."

Step-by-step explanation

Mark me as brainiest

8 0
3 years ago
See picture for problem!
katrin [286]

Answer: Length = 36m

Step-by-step explanation:

P = w * 2 + l * 2

Width = w

Length = w + 5

P = w + w + (w + 5) + (w + 5)

P = 4w + 10

134 = 4w + 10

-10

124 = 4w

/4

31 = w

So, the width is 31m.

Length = 31 + 5

31 + 5 = 36

Therefore, the length is 36m

You can also check this: P = w * 2 + l * 2

31 * 2 = 62

36 * 2 = 72

72 + 62 = 134

6 0
3 years ago
Help ASAP pls! everything is in the pic
spin [16.1K]

x=0 is not the solution of this equation

you can put values and can check in these questions

6 0
3 years ago
3. The manager of a store marks up all the items by 10%. If x is the original price, which expression represents the new price w
goldenfox [79]
Answer:
1.1x
x + 0.1x

Step-by-step explanation:

The manager of a store marks up all items by 10%.

So, if the original price of any item is x, then increase for markup is 10% of x i.e. .
Hence, the expression that represents the new price with the markup is (x + 0.1x) = 1.1x.
7 0
3 years ago
A single die is rolled on time. Find the probability of rollung a number greater than 5 or less than 4​
suter [353]

Answer:

\dfrac{2}{3}

Step-by-step explanation:

A single die is rolled on time.

All possible outcomes are 1,2,3,4,5,6 (6 in total)

Rolling a number greater than 5 or less than 4​ means rolling numbers 6 or 1,2,3 so

All favorable outcomes are 1,2,3,6 (4 in total)

The probability of rolling a number greater than 5 or less than 4​ is

P=\dfrac{\text{Number of all favorable outcomes }}{\text{Number of all possible outcomes}}\\ \\=\dfrac{4}{6}\\ \\=\dfrac{2}{3}

7 0
3 years ago
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