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3 years ago

HELP MATH What is the area of the triangle?

Mathematics

1 answer:

meriva3 years ago

6 0

Answer:

750in

Step-by-step explanation:

The area of a triangle is 1/2bh (half x base x height)

Therefore 1/2 x 60in x 25in = 750in

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Determine the length of the unknown sides for the right triangle

alisha [4.7K]

Answer:

Below in bold.

Step-by-step explanation:

sin 66.4 = opposite side / hypotenuse

sin 66.4 = 21.3 / y

y = 21.3 / sin 66.4

y = 23.24.

tan 66.4 = 21.3 / x

x = 21.3 / tan 66.4

x = 9.31.

3 0

3 years ago

#2 Find the slope given the points (6,-12) and (15,-3)*

castortr0y [4]

Greetings :)

To find slope of two points we will need to use this equation: $\frac{y^2-y^1}{x^2-x^1}$

$x^1$ $x^2$ $y^1$ $y^2$

( 6 , -12 ) ( 15 , -3 )

Now let's replace the equation with the numbers. (it will be a fraction).

$\frac{-3-(-12)}{15-12}$ = $\frac{9}{9}$

The equation equals 9 over 9, which also equals 1.

The slope of the line is 1.

4 0

3 years ago

If f(x) = x2 − 2x + 9 and g(x) = 8 − x, what is (f o g)(−4)?

erastovalidia [21]

I hope this helps you

3 0

3 years ago

What is the variance?

kotegsom [21]

Answer:

Variance is the squared deviation and deviation is the difference of observed value from other values

Step-by-step explanation:

Variance is the squared deviation and deviation is the difference of observed value from other values

$variance=\text({standard deviation})^2$

$Variance=\sum\frac{(x-\mu)^2}{N}$

Where, $\mu=\text{mean},N=\text{Number of sample space}$

8 0

3 years ago

The formula for converting a temperature from degrees Fahrenheit to degrees Celsius is C = (F - 32). What is 86°F in °C?

Vadim26 [7]

Answer:

Step-by-step explanation:

(86°F − 32) × 5/9 = 30°C

7 0

3 years ago