3 years ago

Classify this triangle

Mathematics

2 answers:

Liula [17]3 years ago

8 0

Answer:

right triangle

Step-by-step explanation:

Gekata [30.6K]3 years ago

4 0

Answer:

Right triangle

Step-by-step explanation:

becuase it is

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2r^2+3s^3-r^2+4t^2-r^2 if r=-2, s=-3, and t=5

dimulka [17.4K]

$2(-2)^2+3(-3)^3-(-2)^2+4(5)^2-(-2)^2 = 19$

19 is the answer.

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3 years ago

(a) Express the prime number 3 as the difference of two squares? 3=

Fed [463]

Answer:

2^2 - 1^2

Step-by-step explanation:

1^1 = 1

2^2 = 4

4-1 =3

2^2 - 1^1 = 3

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3 years ago

What is y=4/5x+7 in standard form?

viktelen [127]

I think its x=27 im not sure sorry if its wrong!

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3 years ago

A soccer field has a perimeter of 326 metres. Its area is 6370 square metres. What are the dimensions of the field?

Burka [1]

Answer:

Step-by-step explanation:

chiều dài:x,x>0

chiều rộ:y

$\left \{ {({x+y)*2=326} \atop {xy=6370}} \right.$

$\left \{ {{x+y=163} \atop {xy=6370}} \right.$

$\left \{ {{y=163-x} \atop {xy=6370}} \right.$

$\left \{ {{y=163-x} \atop {x*(163-x)=6370}} \right.$

$\left \{ {{y=163-x} \atop {163x-x^{2} =6370}} \right. \\$

$\left \{ {{y=163-x} \atop {x_{1} =98; x_{2} =65}} \right.$

$\left \{ {{y=65} \atop {x=98}} \right.$

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2 years ago

Find the missing angel by using an equation

Marina CMI [18]

Lets x = missing angle

x = 180 - (60+80)
x = 180 - 140
x = 40

answer
40

6 0

3 years ago