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gizmo_the_mogwai [7]
3 years ago
9

Giving brainliest!!!!!!!!!!!!

Mathematics
1 answer:
lisov135 [29]3 years ago
4 0

Answer:

D

Step-by-step explanation:

The correct answer is D because 7 plus 3 is 10, not 11

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Need some help :
kondor19780726 [428]

Answer:

hi

Step-by-step explanation:

3 0
3 years ago
Find the perimeter of a quadrilateral with vertices at C (−2, 1), D (2, 4), E (5, 0), and F (1, −3).
antoniya [11.8K]

The perimeter of the quadrilateral with vertices at C (−2, 1), D (2, 4), E (5, 0), and F (1, −3) is 20units.

Option C) is the correct answer.

<h3>What a quadrilateral?</h3>

A quadrilateral is simply a polygon with four sides, four angles, and four vertices.

To get the perimeter, we simply add the values of the four side.

Given that;

The vertices are at C (−2, 1), D (2, 4), E (5, 0), and F (1, −3).

To get the dimension between the given coordinates, we use;

 d = √((x2 -x1)² +(y2 - y1)²)

For length CD, DE, EF and FC

CD = √((2 - (-2))² + (4 - 1)²) = √( 16+9) = √25 = 5

DE = √((5 - 2)² + (0 - 4)²) = √( 9+16) = √25 = 5

EF = √((1 - 5)² + (-3 - 0)²) = √( 16+9) = √25 = 5

FC = √((-2 - 1)² + ( 1 - (-3))²) = √( 9+16) = √25 = 5

Perimeter of the quadrilateral = CD + DE + EF + FC

Perimeter of the quadrilateral = 5 + 5 + 5 + 5

Perimeter of the quadrilateral = 20units

Therefore, the perimeter of the quadrilateral with vertices at C (−2, 1), D (2, 4), E (5, 0), and F (1, −3) is 20units.

Option C) is the correct answer.

Learn more about area of rectangle here: brainly.com/question/27612962

#SPJ1

6 0
2 years ago
Read 2 more answers
What is the base 2 representation of 129?
Diano4ka-milaya [45]

Answer:

either 81 or 81.8

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
The cash price of a television is $580.
Drupady [299]

Answer:

n=25% or 0.25

Step-by-step explanation:

865= 580(n%)+ 6(120)

865= 580 (n%) +720

865-720= 145

145= 580(n%)

divide both by 580, you get 0.25=n%

5 0
3 years ago
What is the product?<br> (3a^2b^4) (-8ab^3)
sladkih [1.3K]

Answer:

-24a^3b^7

Step-by-step explanation:

(3a^2b^4)(-8ab^3)       Original equation

-24a^3b^7                    You have to multiply the coefficients, but because of

the power rule, you have to add the exponents with each other.

Hope this helps!

8 0
3 years ago
Read 2 more answers
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