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telo118 [61]
4 years ago
15

Because of water erosion a sandy coast can erode about five meters every five years. Suppose the coast continue to erode at the

same rate. How much will the coast erode in fifty years
Mathematics
1 answer:
sweet-ann [11.9K]4 years ago
8 0
It would erode 50 meters
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Find the distance between point P and line ℓ.
prisoha [69]

The distance between the line containing the points (0,-3) and (7,4) and the point P(4,3) is d =√2 units.

<h3>What is the distance between a line and a point?</h3>

The distance between the line ax +by +c =0 and the point (x₁, y₁) is given by:

d=\frac{|ax_{1}+by_{1}+c|}{\sqrt{a^2+b^2}}

Given that, the line passes through the points (0,-3) and (7,4).

The equation of the line is given by:

y -(-3)=\frac{4-(-3)}{7-0}(x-0)\\\\y+3=x\\\\x-y-3=0

Now, the distance between the line x - y - 3 = 0 and point (4,3) is:
d=\frac{|1\times4+(-1)\times3+(-3)|}{\sqrt{1^2 +(-1)^2}}\\\\d=\frac{2}{\sqrt{2}}\\\\d=\sqrt{2}

Hence, the distance between the line containing the points (0,-3) and (7,4) and the point P(4,3) is d =√2 units.

Learn more about the distance between a line and a point:
brainly.com/question/11558698

#SPJ1

4 0
1 year ago
The perimeter of a rectangular swimming pool is 182 yards. The width of the pool is 7 yards more than five times the length. Fin
kolezko [41]

The length is 14 yards and the width is 77 yards.

6 0
4 years ago
The two-way table shows the number of people whose hobbies are reading or solving puzzles and who either ride a motorcycle or do
enot [183]

The number of people whose hobby is reading but not riding a motorcycle is 5.

<h3>What is the relative frequency of not riding a motorcycle?</h3>

We want to calculate the number of people whose hobby is reading but they don't like riding the motorcycle,

therefore, when we look into the table we will find out that block A2 is the block that represents the number of people whose hobby is reading but not riding a motorcycle.

Hence, the number of people whose hobby is reading but not riding a motorcycle is 5.

Learn more about Relative frequency:

brainly.com/question/14610326

7 0
3 years ago
How many meters are there in 33 km?
s2008m [1.1K]
1000 meters make 1km. So let's compare that with the question.
1000m=1km
Y=33km
I represented the unknown with Y. Next, you have to cross and multiply. 33 will multiply 1,000 to give 33,000. And Y will multiply 1 to give Y. That will be;
Y=33,000m
33km makes 33,000m.
Hope that helped. Have a nice day
8 0
3 years ago
3/(2x-1)+4=6x/(2x-1)
andrew-mc [135]
Answer: x = 1/2

Explanation:
3/(2x-1)+4=6x/(2x-1)

Make both sides has the same denominator:

3/2x-1 + 4(2x-1)/(2x-1) = 6x/2x-1

Cut down all the denominator:

3 + 8x -4= 6x
8x - 1 = 6x
2x = 1
X= 1/2
5 0
3 years ago
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