3 years ago

Plss help :((((((((((((

Mathematics

1 answer:

ale4655 [162]3 years ago

8 0

Answer:

The answer is c

i do believe but you never know

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Show that the triangle below is not a right-angled triangle.

Paha777 [63]

Step-by-step explanation:

A right triangle is a triangle in which one of the angles is a 90∘ angle.

$(5x - 8) + (2x - 5) + (2x + 3) = 180 \\ 9x - 10 = 180 \\ 9x = 190 \\ x = \frac{190}{9} \\ x = 21.11$

$(5x - 8) =97.56 \\ (2x - 5) =37.22 \\ (2x + 3) =45.22 \\$

Since None of the angels is 90° , so the triangle is not a right triangle.

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3 years ago

Solve. 3x + 2y = 7 and 4x – 3y = -2

lapo4ka [179]

just look up math papa algebra calculator it gives you the answer and explains it step by step :)

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3 years ago

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What is the side length of a square with a perimeter of 96 meters

zloy xaker [14]

Answer:

Step-by-step explanation:

96 divided by 4 = 24

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3 years ago

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What is the length of the hypotenuse? 55 ft and 48 ft

34kurt

Answer:

$\sqrt{55^2+ 48^2} = 73$

Step-by-step explanation:

$c=\sqrt{a^2 + b^2}$

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2 years ago

Add then divide. Evaluate (7.3 X 10) + (2.4 X 107) (4 X 104)

Deffense [45]

Answer:

6.0 x 10^2

Step-by-step explanation:

(7.3 X 10) + (2.4 X 10^7)

(4 X 10^4)

= 73 + 24000000

40000

= 24000073

40000

= 6.0 x 10^2

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2 years ago