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Tanya [424]
3 years ago
14

Based on the triangle given, determine the trig ratio of the cos 0

Mathematics
1 answer:
likoan [24]3 years ago
4 0

Answer:

cos theta = 4/5

Step-by-step explanation:

Since this is a right triangle

Cos theta = opp side/ hypotenuse

Cos theta = 8/10

cos theta = 4/5

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A small theater had 9 rows of 25 chairs each. An extra 7 chairs have just been brought in. How many chairs are in the
Alchen [17]

Answer:

232

Step-by-step explanation:

9 x 25 = 225   225 + 7 = 232

another way to find it

9 x 20 = 180   9 x 5 = 45   180 + 45 = 225 + 7 = 232

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Fine the equation of the line through (o, -3) perpendicular to y =4x+4​
svlad2 [7]

Answer:

The equation of the line is y = -\frac{x}{4} - 3

Step-by-step explanation:

Equation of a line:

The equation of a line has the following format:

y = mx + b

In which m is the slope and b is the y-intercept(the value of y when x = 0).

Perpendicular lines:

If two lines are perpendicular, the multiplication of their slopes is -1.

Line perpendicular to y = 4x + 4.

This line has slope 4, so our line will have slope:

4m = -1

m = -\frac{1}{4}

So

y = -\frac{x}{4} + b

Through (0, -3)

This means that b = -3

So

y = -\frac{x}{4} - 3

8 0
3 years ago
List all the perfect cubes up to 1000 and their cube roots.
DiKsa [7]

Hello from MrBillDoesMath!

Answer:

1^3    =     1

2^3   =     8

3^3   =     27

4^3   =     64

5^3   =    125

6^3   =    216

7^3   =    343

8^3  =     512

9^3   =    729

10^3   =    1000

Thank you,

MrB


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