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Lemur [1.5K]
3 years ago
9

Write a point-slope equation for the line that has slope 1.4 and passes through the point (21, 5). Do not use parenthesis on the

y side.
Mathematics
1 answer:
kicyunya [14]3 years ago
4 0
We know that
the equation of a line is
(y-y1)=m*(x-x1)
slope m=1.4
point <span>(21, 5)
</span>(y-y1)=m*(x-x1)----> y-5=1.4*(x-21)

the answer is
y-5=1.4*(x-21)

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Rosa made a mosaic wall mural using 47 black tiles, 36 blue tiles and 17 red tiles.
boyakko [2]
17/(47+36+17)--> 17/100 so 17%
6 0
2 years ago
Running from the top of a flagpole to a hook in the ground there is a rope that is 13 meters long. If the hook is 5 meters from
bagirrra123 [75]

Answer:

12 meters

Step-by-step explanation:

Looking at the problem we can see that it typifies a right angled triangle. The rope running from the top of the flagpole to the hook on the ground is the hypotenuse of the triangle. Let us call this hypotenuse c. Let the distance between the hook and the foot of the flagpole be b. Let the height of the flagpole be a.

From Pythagoras theorem;

c^2 = a^2 + b^2

a^2= c^2 - b^2

a= √c^2-b^2

From the question

c= 13 metres

b= 5 metres

a= the unknown

a= √c^2-b^2

a= √(13)^2 - (5)^2

a= √169 - 25

a= √144

a= 12 meters

6 0
3 years ago
Read 2 more answers
A store finds that the number of shirts sold increases each week. In the first week, only 15 shirts were sold. In the next week,
Pepsi [2]

The explicit rule for the arithmetic sequence is a(n) = 7n + 8 if the arithmetic series is 15, 22, 29,...

<h3>What is a sequence?</h3>

It is defined as the systematic way of representing the data that follows a certain rule of arithmetic.

We have:

In the first week, only 15 shirts were sold. In the next week, 22 shirts were sold and in the third week, 29 shirts were sold.

15, 22, 29,...

The first term a = 15

The common difference d = 22 - 15 = 7

a(n) = 15 + (n - 1)7

a(n) = 7n + 8

Thus, the explicit rule for the arithmetic sequence is a(n) = 7n + 8 if the arithmetic series is 15, 22, 29,...

Learn more about the sequence here:

brainly.com/question/21961097

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6 0
2 years ago
Algebra: Explain in words how to write an equation that is part one: parallel and then also part two: perpendicular to the equat
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A line that is parallel has the same slop where a line that is perpendicular has a slop that is negative and reciprocal.

so for the parallel one you don't need to worry about the slop because it will be 2/3x. But yous the point slope equation form

y-y1=m(x-x1)

y+5=2/3(x+2)

y+5=2/3x+ 4/3

y=2/3x-11/3

-2/3x+y=-11/3

multiple by -1 so A inst negative

2/3-y=11/3

For a line that is perpendicular you just need to flip the original 2/3x slope and make it negative.

y+5=-3/2(x+2)

y+5=-3/2x-3

y=-3/2x-8

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8 0
3 years ago
If you're going 10m/s and it takes 2 seconds to stop, would you stop in time if a tree fell 20 meters in front of you?​
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No, in 2 seconds you would travel 20 meters
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