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umka21 [38]
3 years ago
10

A line has a slope of -5 and includes the points (-7,3) and (-5, K ) What is the value of K?

Mathematics
1 answer:
Scorpion4ik [409]3 years ago
7 0
I think K might be 0. Not sure.
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7 - 6a = -5 -8a solve please
egoroff_w [7]

a=-5/2

Step-by-step explanation:

-6a=-5-8a

-6a+8a=-5-8a+8a

2a=-5

a=-5/2

4 0
2 years ago
Read 2 more answers
The safety director of an insurance company took samples at random from his minor accidents file and classified them according t
lina2011 [118]

Answer:

Step-by-step explanation:

A. H0: accident are evenly distributed

H1: accident are not evenly distributed

B. The critical value is chi²(0.01,7) = 18.4753

C. The decision rule would be to reject h0 and accept h1 if the test statistic is higher than the critical value

D. Test statistic = summation (Oi-Ei)²/E

This gives 24.6 from the table.

E. Based on these calculations, test statistic is > than critical value

24.6> 18.4753

F. The inference is that accidents are not evenly distributed at 0.01 level of significance.

8 0
3 years ago
Simplify: (a4 - 6a + 5) - (a4 - 3a + 2a2 - 6)
Galina-37 [17]
(a4-6a+5)-(a4-3a+4a-6)
by expressing like term
a4-a4=0
-6a-(-3a+4a)=-5a
5-(-6)=11
:we have-5a+11
7 0
3 years ago
6 (3x-1)-10x. with work please :)
STatiana [176]
Hey there!
Let's break this expression into two parts:
6(3x-1) and -10x

To solve the first part, we need to use the distributive property which states:
a(b+c) = ab+ac

Applying that to this problem, we have:
6(3x) + 6(-1) =
18x - 6

Now, we can take that -10x and put it right back in:

18x - 6 - 10x

Combine like terms and subtract the 10x from the 18x to get:
8x - 6

Hope this helps!
4 0
3 years ago
The perimeter of the rectangle below is 46 units. Find the length of side RS. Write your answer without variables.
inessss [21]

Answer:

30 units

Step-by-step explanation:

6 0
3 years ago
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