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3 years ago

Use the Pythagorean theorem

Mathematics

2 answers:

Nookie1986 [14]3 years ago

7 0

Answer:

Step-by-step explanation:

hypotenuse^2=side^2+side^2

Stels [109]3 years ago

4 0

Answer:

the pythgorean theorem is

a^2 +b^2=c^2

Step-by-step explanation:

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one positive number is 5 times another number. the difference between the two numbers is 764, find the numbers

damaskus [11]

<h3><u>The first number, x, is equal to 955.</u></h3><h3><u>The second number, y, is equal to 191.</u></h3>

x = 5y

x - y = 764

Because we have a value for x, we can plug it into the second equation to solve for y.

5y - y = 764

Combine like terms.

4y = 764

Divide both sides by 4.

y = 191

Because we have a value for y, we can solve for x.

x = 5(191)

x = 955

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3 years ago

3. Find the domain and range of the function represented by the graph.

maks197457 [2]

The range is 1 to -3 (both included) and the domain is -3 to 2 (both included)

4 0

1 year ago

A person goes to work across three intersections. The probability of seeing the red light at the first intersection is 60%, the

vazorg [7]

add together all (3) percentages 60+70+80=210
subtract the answer from 300 (300 because there were 3 percentages) 300-210=90
divide this answer by 3 (also because there were 3 percentages) 90/3=30
the probability of the person walking without a red light is 30%

8 0

3 years ago

Alex and Peter win some money and share it in the ratio 6:1. Alex gets £50 more than Peter. How much did they get altogether?

Alex Ar [27]

Alex = 6x
Peter = x

6x = x + 50
5x = 50
x = 10

Alex = £60
Peter = £10

together = £70

6 0

3 years ago

Read 2 more answers

An arch is in the shape of a parabola. It has a span of 100 feet and a maximum height of 25 ft.

faltersainse [42]

Answer:

$y=-\frac{1}{100}(x-50)^2+25$

the height of the arch 10 feet from the center is 24 feet

Step-by-step explanation:

An arch is in the shape of a parabola. It has a span of 100 feet, the vertex lies at the center 50 and the maximum height of 25 ft.

Vertex at (50,25)

vertex form of the equation is

$y=a(x-h)^2+k$ , (h,k) is the center

$y=a(x-50)^2+25$

the parabola starts at (0,0) that is (x,y)

$0=a(0-50)^2+25$

subtract 25 from both sides

$-25=a(-50)^2$

$-25=a(2500)$

divide both sides by 2500

$a=-\frac{1}{100}$

$y=-\frac{1}{100}(x-50)^2+25$

the height of the arch 10 feet from the center.

center is at 50, 10 feet from the center so x=40 and x=60

$y=-\frac{1}{100}(40-50)^2+25$

y=24

the height of the arch 10 feet from the center is 24 feet

4 0

3 years ago