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REY [17]
3 years ago
8

Find the angle between each of the following pair of straight line x-2y+3=0 and y=3x​

Mathematics
1 answer:
Serga [27]3 years ago
4 0
-59.744
That’s when you solve for x and y in the equation x= 3/4 and y=-9/7
Tan inverse of y/x gives u -59.744
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A line with a slope of -1 passes through the point (-7, 5) . what is its equation in slope - intercept form?
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Y=-x+b
5=-(-7)+b
5=7+b
-2=b

y= -x - 2
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At a local festival, general admission was $3 for students and $5 for adults. 331 people came to the festival and they sold a to
charle [14.2K]

Answer:112

Step-by-step explanation:

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3 years ago
The Robinson family is having new carpet installed in the dining room the carpet cost $299 for insulation and $15 for each squar
Igoryamba

Subtract the fee from the total:

674 - 299 = 375

Now divide by the cost per square yard:

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6 0
3 years ago
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Please help! (85 points)
allochka39001 [22]
Recall that all three angles in a triangle equals 180.
Knowing this, we just have to add up all the angles and figure out what the value 'x' is.

(x-22 + x-17 + 3x+19) = 180
Simplify:
5x - 20 = 180
Add 20 to both sides:
5x = 200
Divide both sides by 5:
x = 40

Now that we found the value for x, we need to solve for angle A.
Simply input the value of 'x' into angle A's equation:
40 - 22 = 18

Angle A = 18 degrees

Good luck! If you need me to explain anything, just ask :))
-T.B.
8 0
3 years ago
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A college student took 4 courses last semester. His final grades, along with the credits each class is worth, are as follow: A (
NikAS [45]

Answer:

A college student took 4 courses last semester. His final grades, along with the credits each class is worth, are as follow: A (3), B (4), C (2), and D (3). The grading system assigns quality points as follows: A: 4; B: 3; C: 2; D: 1; and F: 0. Find the student’s GPA for this semester. Round your answer to the nearest thousandth.

another way is

This is a weighted average question. You are going to "weight" each course by the number of credits it is worth and then divide by the total number of credits. In other words, you are going to multiply each grade (A=4, B=3) by the number of credits attached to that grade. This will ensure that the courses that have more credits count more in the overall average. Then you are going to divide by the total number of credits to get the overall GPA.

So,

(3*4 + 4*3 + 2 *2 + 3*1)/(3+4+2+3) = GPA

Step-by-step explanation:

bran-list please

6 0
3 years ago
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