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12345 [234]
3 years ago
11

In the triangle cosA/cosB= what can you help me?

Mathematics
1 answer:
ICE Princess25 [194]3 years ago
8 0
The answer is 1.
Thank you for waiting!

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(–2) + 6 + 1 = 1 + 6 + (–2) =
Fudgin [204]

Answer:

5=5

Step-by-step explanation:

6 0
3 years ago
1. Solve: -3x + 1 = 7
aksik [14]

Answer:

1. -2 = x

2. 19 = x

3. -22 = b

4. 30 = y

5. -5 = t

Step-by-step explanation:

1. -3x = 6 [-1 to the right side of the equivalence symbol]

2. 5x = 95 [23 to the right side of the equivalence symbol]

3. ᵇ/₂ = -11 [23 to the left side of the equivalence symbol]

4. ⅓y = 10 [7 to the right side of the equivalence symbol]

5. -2t = 10 [13 to the right side of the equivalence symbol]

I am joyous to assist you anytime.

7 0
3 years ago
Recall that two angles are complementary if the sum of their measures is 90°. Find the measures of two complementary angles if o
nirvana33 [79]

Answer:

The two angles are 69° and 21°.

Step-by-step explanation:

Write out the expression:

let x and y be two angles that are complementary and the sum of their measures is 90°

-> x° + y° = 90°

if one angle is 6º more than three times the other angle:

-> x° = 6° +3y°

Plug x = 6+3y into x° + y° = 90°

6° + 3y° + y° = 90°

Solve for y

4y° = 84°

y° = 21°

Plug y into x° + y° = 90°

x° + 21° = 90°

Solve for x°

x° = 90° - 21° = 69°

4 0
3 years ago
If f(x) = 3x + 5 and g(x) = –2x2 – 5x + 3, find (f + g)(x).
vazorg [7]
(f + g)(x) is equal to f(x) + g(x).

So (f + g)(x) = (3x + 5) + (-2x^2 - 5x + 3) = -2x^2 - 2x + 8
which is choice C.
8 0
3 years ago
Help 30 minutes to turn in
dangina [55]

First, you are going to want to get the terms to the same power of 10 in scientific notation. Realize that 9.3 \cdot 10^7 = 9.3 \cdot 10^6 \cdot 10^1= 93 \cdot 10^6. Essentially, we have converted the 9.3 \cdot 10^7 to a term with 10^6. Now, we can subtract the values in each term that are not 10 as shown below:

93 \cdot 10^6 - 3.14 \cdot 10^6

(93 - 3.14) \cdot 10^6

89.86 \cdot 10^6


Remember that we have to turn it back to scientific notation once we are done!

89.86 \cdot 10^6 = 8.986 \cdot 10^7


Our answer is the second choice, 8.98 \cdot 10^7. (This is the closest answer to 8.986 \cdot 10^7.)

4 0
3 years ago
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