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lisabon 2012 [21]
3 years ago
7

I need help with pre calculus homework

Mathematics
1 answer:
Vesnalui [34]3 years ago
4 0
Cos^2 + cos^2 tan^2 (break the brackets)

Cos^2+ cos^2 • sin^2/cos^2 (divide out the cos^2)

Cos^2+ sin^2 (Cos2+ sin^2= 1)
= 1
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SOMONE HELP ME I HAVE <br> TO DO THIS AFTER SCHOOL PLS ASAP!!!
Scrat [10]

Answer:

1 no

2 I don't know

3 no

4 yes

5 2.5 is the slope

6 -0.5

7 no slope

Step-by-step explanation:

1 no because the y overlaps

2 not sure

3 it over laps

4 it never overlaps

5 y=2.5x-3

6 y=-0.5x+1

7 no slope it's just x=-2

for the 5-7 you can type that into demos and get more info

y=mx+b

m is the slope and b is y intercept

3 0
3 years ago
A building with a height of 6 m casts a shadow that is 8 m long while a taller building casts a 24 m long shadow. What is the he
Firdavs [7]

Answer:

I am pretty sure it is 22m

Step-by-step explanation:

minus 2

8 0
2 years ago
2. Find the measure of the central angle.*
11111nata11111 [884]

Answer: The central angle is 59 degrees.

Step-by-step explanation:

The sector or Arc Length is 59 degrees and the central angle is also 59 degrees, because the central angle equals the same measurement as the sector.

5 0
3 years ago
You plant a garden in the shape of a triangle as shown in the figure. What is the perimeter of the garden? Find the values of x
Vadim26 [7]

Answer:

x = 42°

y = 69°

Step-by-step explanation:

From the picture attached,

Given triangle is an isosceles triangle.

Therefore, two sides will be equal and measure 8 yd.

Measure of 3rd side of the triangle = 6 yd

Perimeter of the garden = 8 + 8 + 6

                                        = 22 yd

In an isosceles triangle, opposite angles of the equal sides will be equal.

Therefore, y = 69°

By the property of interior angles of a triangle,

x° + y° + 69° = 180°

x° + 69° + 69° = 180°

x = 180 - 138

x = 42°

7 0
3 years ago
F(x)=-3x^2-6x<br><br> Find f(−9)
Anni [7]

Answer:

Your brain.

Step-by-step explanation:

All you have to do is plug the value of -9 into the equation everywhere you see an 'x' and if you are being asked this question I assume you have basic mathematical skills

3 0
3 years ago
Read 2 more answers
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