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vredina [299]
3 years ago
11

4) Determine the value of r so that a line through the points (r, 2) and (4, -6) has a slope =

Mathematics
1 answer:
OLga [1]3 years ago
8 0

This exercise is incomplete. A slope of what?

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Please help!!!!!!!!!
victus00 [196]

Answer:

None of the above

Explanation:

To find the type of lines they create, first find the slope of the equations.(Change form to y intercept)

4x-2y=-5

-2y=-4x-5

y=2x+(5/2)

Slope=2

-2x+3y=-3

3y=2x-3

y=(2/3)x-1

Slope=2/3

So, one has slope=2 and the other has slope=2/3. They’re not parallel because slopes are not the same. They’re not perpendicular because the slopes are not opposites. They’re not equal because their equations are not the same. So, none of the above.

6 0
3 years ago
Find the critical value tc for the confidence level c=0.98 and sample size n=18
Mariulka [41]

Answer step-by-step explanation:

We know that the critical t value for a 98% confidence level for a sample of size n = 18:

Finding degrees of freedom (n-1) = 17

-search the information in table t for 0.98 and find that t = 2.567

6 0
3 years ago
Write the following inequality using interval notation
mr_godi [17]
I think the answer is (9,8)
3 0
3 years ago
Salvador bought 3 pounds of oranges that cost x cents per pound, a cucumber for 59 cents, and 2 bananas for 35 cents. write an e
Natali5045456 [20]
Since x is the cost of the oranges per pound in cents, the total amount spent on oranges in cents is 3x. Then, you spent 59 cents on cucumbers and 35 cents on bananas. The total amount spent on all food is the sum of the individuals. 3x+59+35. Combine like terms to get 3x+94. This will give you your total in cents. If you need a total in dollars, you would just multiply that expression by 0.01.
6 0
3 years ago
5.
tresset_1 [31]
A and D because it is basically saying 3:36 so when you simplify it comes down to 1:12
8 0
3 years ago
Read 2 more answers
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