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timama [110]
2 years ago
12

A right triangle is shown

Mathematics
1 answer:
natta225 [31]2 years ago
4 0

Answer:

10.38

Step-by-step explanation:

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What is the slope and y-intercept in the equation y = 5x - 7?
grin007 [14]

Answer:

Slope: 5

y-intercept: -7

Step-by-step explanation:

Slope-intercept form is written as 'y=mx+b', (x,y) being any point on the line, m its slope, and b the line's y-intercept.

y=mx+b

y=5x-7

In this equation, m=5, and b=-7.

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Find a third-degree polynomial equation with rational coefficients that has the given numbers as roots. 1 and 3i
andre [41]

Answer:

x³ − x² + 9x − 9 = 0

Step-by-step explanation:

Imaginary roots come in conjugate pairs.  So if 3i is a root, then -3i is also a root.

(x − 1) (x − 3i) (x − (-3i)) = 0

(x − 1) (x − 3i) (x + 3i) = 0

(x − 1) (x² − 9i²) = 0

(x − 1) (x² + 9) = 0

x (x² + 9) − (x² + 9) = 0

x³ + 9x − x² − 9 = 0

x³ − x² + 9x − 9 = 0

4 0
3 years ago
How much do you make hourly if you make 31,200 a year. (9 hours)​
Ostrovityanka [42]

Answer:  you would be making $15.60 an hour

4 0
3 years ago
What is the area of the trapezoid?<br> A. 24 mm2<br> B. 26 mm2<br> C. 32 mm2<br> D. 40 mm2
miss Akunina [59]

Answer:

A= 24 m

Step-by-step explanation:

The formula for the area of a trapezoid is  A= \frac{a+b}{2} x h.

Using the formula you plug in the values:  

A= \frac{4 + 12} 2} x 3

2. Now you simplify the equation and solve

A = \frac{16}{2} x 3

A = 8 x 3

A = 24

6 0
3 years ago
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