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Fantom [35]
3 years ago
9

Which equation below has a slope greater than the slope of the line shown above?

Mathematics
1 answer:
Lilit [14]3 years ago
8 0

Answer:

B.y = 3x - 1

Step-by-step explanation:

Pick two points on the line

(0,1) and (2,5)

The slope using the slope formula

m = (y2-y1)/(x2-x1)

   = ( 5-1)/(2-0)

  = 4/2

  = 2

We want a slope that is greater than 2

The slope intercept form of the equation is

y = mx+b where m is the slope

y = 3x - 1  has a slope of 3 which is greater than 2

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If, in 7 years, Susan will be 2 times as old as she was 3 years ago, what is Susan’s present age? PLEAZE EXPLAIN HOW AND DO IT W
belka [17]
Let Susan's present age be x

Now, after 7 years ( her age will become 7 +x then) she'll be 2 as old she was 3 years ago.

Her age 3 years ago must be x-3

Now according to question,

twice Her age 3 years ago = her age after 7 years

now,

2(x-3) = 7+x
2x-6 = 7+x
2x-x =7+6
x = 13
x = 13



Therefore, her age presenr age is 13 years.
5 0
3 years ago
Read 2 more answers
Help me pleaseeeeeee
ZanzabumX [31]

Answer:

56

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
3. A researcher randomly selects a sample of 61 former student leaders from a list of graduates of UNCG who had participated in
Sophie [7]

Answer:

not statistically significant at ∝ = 0.05

Step-by-step explanation:

Sample size( n )  = 61

Average for student leader graduates to finish degree ( x') = 4.97 years

std = 1.23

Average for student body = 4.56 years

<u>Determine if the difference between the student leaders and the entire student population is statistically significant at alpha</u>

H0( null hypothesis ) : u = 4.56

Ha : u ≠ 4.56

using test statistic

test statistic ; t = ( x' - u ) / std√ n

                        = ( 4.97 - 4.56 ) / 1.23 √ 61

                        = 2.60

let ∝ = 0.05 , critical value = -2.60 + 2.60

Hence we wont fail to accept  H0

This shows that the difference between the student leaders and the entire student population is not statistically significant at ∝ = 0.05

3 0
3 years ago
a 12 foot long ladder reaches a point 6 feet high on a house. What angle does the ladder form with the house?
RSB [31]

Answer:

77

Step-by-step explanation:

77 feet is the answer hope you mark me brainlyist

4 0
2 years ago
A park has two biking trails. Tailand Trail is 5 3/10 long. Mayland Trail is 2 4/5 miles long. How much longer is Tailand Trail
zvonat [6]

Answer: 2 1/2 miles

Step-by-step explanation:

To subtract fractions with different denominators (in this problem they are 10 and 5), you have to find the least common denominator or LCD (10). Then you have to multiply the numerator and the denominator of 4/5 by 2 to turn the denominator into the LCD (10).

1. So 2 4/5 turns into 2 8/10

2. Then subtract 2 8/10 from 5 3/10 to get the answer 2 1/2

6 0
2 years ago
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