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kotegsom [21]
2 years ago
5

Could someone please help me quickly? What are the ratios for sin, cos, & tan?

Mathematics
1 answer:
Anarel [89]2 years ago
6 0

Answer:

Sin C: 7/25

Cos C: 25/24

Tan C: 7/24

Step-by-step explanation:

Sin C: Opposite/Hypotenuse

Cos C: Adjacent/Hypotenuse

Tan C: Opposite/Adjacent

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What are the solutions to x2 + 8x + 7 = 0? A. x = –8 and x = –7 B. x = –7 and x = –1 C. x = 1 and x = 7 D. x = 7 and x = 8
NikAS [45]

Answer:

x= -7      x = -1

Step-by-step explanation:

x^2 + 8x + 7 = 0

Factor

What 2 numbers multiply to 7 and add to 8

7*1 = 7

7+1 = 8

(x+7)(x+1) =0

Using the zero product property

x+7 =0   x+1 = 0

x= -7      x = -1

8 0
3 years ago
Read 2 more answers
Emma buys packets of coloured beads.
Black_prince [1.1K]

Answer:

5 purple beads

8 red beads

4 blue beads

Step-by-step explanation:

Find the common factor of 8 5 and 10

Which is 40

8 * 5 = 40

5 * 8 = 40

4 * 10 = 40

8 0
3 years ago
which equation is represented by the function table below?          x's are 1,2,3,4              y's are 8,14,20,26     
Reika [66]
F: R -> R, f(x) = ax + b;
f(1) = 8 => a + b = 8;
f(2) = 14 => 2a + b = 14 => a = 6 and b =2;
f(3) = 20 => 6*3 + 2 = 20 True;
f(4) = 26 => 4*6 + 2 = 26 True;

then, f:R -> R, f(x) = 6x + 2;
4 0
3 years ago
Read 2 more answers
to train for a race, you plan to run 1 mile the first week and double the number of miles each week for five weeks. How many mil
SashulF [63]

Answer:

16 Miles

Step-by-step explanation:

For every week you simply multiply the number of miles from the previous week by 2, therefore

Week 1: 1

Week 2: 2

Week 3: 4

Week 4: 8

Week 5: 16

3 0
2 years ago
Which table represents a linear function?​
Romashka-Z-Leto [24]

Answer:

1st one

Step-by-step explanation:

Since the x's for each one are going up by the same number, you are looking for a column of y's to either by going up by the same number or down by the same number.

The first table has a column of y's that look like this:  1/2 , 1 , 1  1/2,  2  

This is actually going up for 1/2 each time.

This table shows a linear function.  

8 0
3 years ago
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