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STALIN [3.7K]
3 years ago
10

Using the primary trigonometric formulas you learned in Lesson 1, explain why the equation  cos q = 1.4 has no solutions.​

Mathematics
1 answer:
AysviL [449]3 years ago
8 0

Answer:

see explanation

Step-by-step explanation:

For the equation to have solutions , then

- 1 ≤ cosq ≤ 1

Since cosq = 1.4 ( out with limits )

Then the equation has no solutions

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What is (128 +7x- 12) = (4x - 3)?​
podryga [215]

Answer:

x = -119/3 = -39 2/3

Step-by-step explanation:

(128 +7x- 12) = (4x - 3)

Combine like terms

(116 +7x) = (4x - 3)

Subtract 4x from each side

116 +7x-4x=4x-4x-3

116 +3x = -3

Subtract 116 from each side

116-116 +3x = -3-116

3x = -119

Divide each side by 3

3x/3 = -119/3

x = -119/3

x = -39  2/3

4 0
3 years ago
Solve the following equation for m.<br> F=mv^2 / r
aleksklad [387]

Answer:

Step-by-step explanation:

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2 years ago
The equations in this system were added to solve for y. What is the value of y? x + 6 y = 10. Minus x + 3 y = negative 15. Equal
zheka24 [161]

Answer:

y = -5/9

Step-by-step explanation:

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3 years ago
Anna read 1/8 a book in 1/2 an hour. How much can she read in an hour?
Travka [436]

Answer:

2/8 of a book in an hour

Step-by-step explanation:

1/2 an hour times 2 is 1 ( an hour)

1/8 times 2 is 2/8

she can read 2/8 of a book in an hour

8 0
2 years ago
Read 2 more answers
What is the equation of the line that passes through the point (5,0) and has a slope<br> of -1
erica [24]

Answer:

y = -x + 5

Step-by-step explanation:

X, Y, and B is given using fomula y = m(x) + b

Subsitute those variables.

0 = -(5) + b

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b = 5.

Then plug in the b and take out the x and y.

y = -x + 5

8 0
3 years ago
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