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Fed [463]
3 years ago
12

A line passes through the points (-2,-4) and (3, 5). Which equation best represents a line

Mathematics
1 answer:
myrzilka [38]3 years ago
5 0
Parallel means they have same gradient.

m=(y2-y1)/(x2-x1)
m=(5-(-4))/(3-(-2))
m=9/5

so the answer is B since the gradient also 9/5
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True or false : the orgin would be included in the solution set for the inequality y < 2x-5
Levart [38]
False the origin has coordinates (0,0) so x=0 and y=0 if you sub these into the equation you get 0 < 0-5 which isn't true 

6 0
3 years ago
Recall the equation for a circle with center ( h , k ) and radius r . At what point in the first quadrant does the line with equ
butalik [34]

Answer: The required point = (1.857,8.643)

Step-by-step explanation:

Equation of circle with center (h,k) and radius r: (x-h)^2+(y-k)^2=r^2

Given: Radius = 5 , center = (0,4)

Eqation of circle: (x-0)^2+(y-4)^2=5^2

x^2+(y-4)^2=25

x^2+(2.5x+4-4)^2=25  [Using equation y = 2.5 x + 4  ]

x^2+(2.5x)^2=25

x^2+6.25x^2=25

7.25x^2=25

x^2=3.44827586207

x=1.857

y= 2.5(1.857)+4

=8.6425

Hence, the required point = (1.857,8.643)

7 0
4 years ago
Plz help I will mark you brainlist plz ​
rusak2 [61]

Answer:

C

Step-by-step explanation:

The pre-image of a reduction is always bigger. Reduction means to "get smaller," so the pre-image needs to be bigger than the ending image.

3 0
3 years ago
Read 2 more answers
Find k so that the numbers 2k+1,3k+4,and 7k+6 form a geometric sequnce.
Allushta [10]
Let a, b and c be in a geometric sequence, then ac = b^2
Hence, (2k + 1)(7k + 6) = (3k + 4)^2
14k^2 + 19k + 6 = 9k^2 + 24k + 16
5k^2 - 5k - 10 = 0
5k^2 + 5k - 10k - 10 = 0
5k(k + 1) - 10(k + 1) = 0
(5k - 10)(k + 1) = 0
5k - 10 = 0 or k + 1 = 0
5k = 10 or k = -1
k = 2 or k = -1

The geometric sequence formed is
2(2) + 1, 3(2) + 4, and 7(2) + 6
5, 10, and 20
OR
2(-1) + 1, 3(-1) + 4, and 7(-1) + 6
-1, 1, and -1
6 0
3 years ago
What number is five million eight thousand four hundred five
Eddi Din [679]

Answer:

This number is 5008405

Step-by-step explanation:

five million = 5000000

eight thousand = 8000

four hundred = 400

five = 5

5 0
3 years ago
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