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7nadin3 [17]
3 years ago
14

1. The exact value of cos60

Mathematics
1 answer:
Ksenya-84 [330]3 years ago
5 0
E) none of the above
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The number. Find the nume.
aliya0001 [1]

Answer: 8x+3x=12x+9

The number is -9.

Step-by-step explanation: Combine like terms.

11x=12x+9

Subtract 12x from the other side. 11x-12x= -1x

-1x+9

Divide by -1 to isolate x.

-1/-1 cancels out.

9/-1= -9

x=-9

Plug in -9 to check your answer if you want to double check.

3 0
3 years ago
Chad earned $30 for raking leaves. He has also earned money by doing chores for 6 weeks. Altogether, he has earned $120. How muc
galben [10]
You know that he makes $90 for doing chores, dividing that by 6 and you get that each week he earns $15 for chores.
6 0
2 years ago
Read 2 more answers
What does j divided by 9 is 5 mean
MAVERICK [17]

Answer:

what number divided by 9 is 5? answer is 45

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Use slope to determine if the following lines are parallel, perpendicular, or neither.
Gwar [14]

Answer:

The lines are parallel, with the same slope of 5.

Step-by-step explanation:

Remember that if slopes are the same, then the lines are parallel. If the slopes are opposite reciprocals, they are perpendicular. If they are neither of those cases, then they would be neither.

1) Since y = 5x + 1 is already in slope-intercept format (y = mx + b, in which m represents the slope) we know that 5 is the slope of that equation.

2) To find the slope of -5x + y = 6, let's just convert it to the slope-intercept format by isolating y on the left side like so:

-5x + y = 6 \\y = 5x + 6

(All you need to do is move -5x to the right side of the equation.) So, by looking at y = 5x + 6, we can do the same thing we did from step 1 and find that the slope is 5.

3) Since both of the equations' slopes are 5, they share the same slope - therefore, they are parallel.

Hope this helps! Please do not hesitate to ask any questions.

5 0
3 years ago
Please I really need help, this is my final
Paul [167]

Answer:

6.12

Step-by-step explanation:

tan 27≈0.51

Know that tan=\frac{opposite}{adjacent}

0.51=\frac{x}{12}

Multiply 12 on both sides

6.12=x

3 0
2 years ago
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