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Naya [18.7K]
3 years ago
15

Help me please !!!!!!

Mathematics
1 answer:
kirill115 [55]3 years ago
5 0

Answer:

The y-int represents the base price of $200 for airfare from NYC

The slope represents a cost of 30 cents per mile traveled

If the base cost for airfare changed to $50 and the cost per mile is unchanged, the new equation would be y=50+0.30x

If the cost per mile changed to 50 cents, the new equation would be y=200+0.50x

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Is this set closed or not closed under the operation ? Negative integers under multiplication
Romashka [77]

The set is not closed

Example:

-4 * -3 = 12  this is not a negative integer

5 0
3 years ago
In a certain city, there are about one million eligible voters. A simple random sample of size 10,000 was chosen to study the re
Ronch [10]

Answer:

REQUIRED TEST STATICS IS 35.19

Step-by-step explanation:

total size of sample = 10,000

                                     men                            women

voted                           2777                            3466

did not vote                  1444                             2313

By chi square test we can find the relationship between gender and participation in the election

<em>X^2 = \frac{ N(ad-bc)^2}{(a+c)(b+d)+(a+b)(c+d)}</em>

where

a represent  = 2777, b = 3466, c= 1444, d = 2313, N = 10000

Putting values to get chis square statics

<em>X^2 = \frac{ 10000(2777*2313-3466*1444)^2}{(2777+1444)(3466+2313)+(2777+3466)(1444+2313)}</em>

<em>X^2 = = 35.159</em>

HENCE REQUIRED TEST STATICS IS 35.19

3 0
3 years ago
Find the area of a parallelogram with the given vertices. P(–5, –2), Q(7, –2), R(–2, 8), S(10, 8)
beks73 [17]

Area of a parallelogram = bh

First, find b (base):

b = 12

Then find h (height):

h = 10

Multiply:

120

The answer is D) 120 units^2

4 0
3 years ago
Ben is 12 years older than Ishaan. Ben and Ishaan first met two years ago. Three years ago, Ben was 4 times as old as Ishaan. Ho
Stels [109]

Answer:

Ben is 19 Ishaan is 7

Step-by-step explanation:

7 0
3 years ago
Solve the inequality 5(2h + 8) &lt; 60
Ad libitum [116K]

Step-by-step explanation:

5(2h+8) <60

10h +40< 60

10h + 40-40 < 60-40

10h < 20

10h/10 < 20/10

h < 2

7 0
3 years ago
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