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Serhud [2]
3 years ago
10

87 89 93 93 91 88 89 93 90 90 87 88 89 89 90

Mathematics
1 answer:
Gemiola [76]3 years ago
6 0
The range  is the highest value - lowest value

93 - 87 =  6


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Give the equation of the circle centered at the origin and passing through the point(0,10)
beks73 [17]

Answer:

x^{2} + y^{2} = 100

Step-by-step explanation:

The equation of a circle has the following format:

(x - x_{0})^{2} + (y - y_{0})^{2} = r^{2}

In which r is the radius(half the diameter) and the centre is the point (x_{0}, y_{0})

Centered at the origin

This means that x_{0} = 0, y_{0} = 0

Passing through the point(0,10)

The radius is the distance of any point in which the circle passes to the centre.

Using the formula for the distance between two points.

r = D = \sqrt{(0 - 0)^{2} + (10 - 0)^{2}} = 10

So

x^{2} + y^{2} = 10^{2}

x^{2} + y^{2} = 100

3 0
3 years ago
The perimeter of a triangle is 84m. the longest side of the triangle is 7m less than twice the length of the shortest side, x. t
Masja [62]
Side1 + side2 + side 3 = 84

side1 is the shortest side, and its length is x.
side2 is the middle side, and its length is x + 7
side3 is the longest side, and its length is 2x - 7

x + x + 7 + 2x - 7 = 84

4x = 84

x = 21

side1 = x = 21
side2 = x + 7 = 21 + 7 = 28
side3 = 2x - 7 = 2(21) - 7 = 42 - 7 = 35

The length of the sides are 21 m, 28 m, and 35 m.
5 0
3 years ago
Please help me with a geometry problem, I don't understand.
Goshia [24]

The slope-intercept form:

y=mx+b\\\\m=\dfrac{y_2-y_1}{x_2-x_1}

m - slope

b - y-intercept

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y=2x+b

Put the coordinates of the point (1, -5) to the equation:

-5=2(1)+b\\\\-5=2+b\qquad\text{subtract 2 from both sides}\\\\-7=b\to b=-7

<h3>Answer: y = 2x - 7</h3>
6 0
3 years ago
Which expression belongs in the box
dsp73

it should be 14 becuse 7 times 2 is 14 so x=14 i took the test

4 0
3 years ago
Please help triangle LMN is similar to triangle PQR. Select all angles who’s sine equals 24/25
olchik [2.2K]
I think it’s A and B because on the top where is is 24 is M and the bottom is 25 which is L
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