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Deffense [45]
4 years ago
6

How to subtract positive and negative numbers

Mathematics
1 answer:
Sophie [7]4 years ago
8 0

Answer:

1-4=-3

Step-by-step explanation:

1-4

=-(4-1)

=-3

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Angel LMN has vertices L(-2, 4), M(3, 2), and N(1,-3). Which describe the triangle?
Nadusha1986 [10]

Triangle LMN has two sides that are of the same size, therefore, triangle LMN is described as: isosceles triangle.

<h3>What is an Isosceles Triangle?</h3>

A triangle with two equal sides and two equal base angles is described as an isosceles triangle.

<h3>What is the Distance Formula?</h3>

The formula for finding the distance between two coordinate points is called the distance formula, and it is expressed as: d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}.

Given the vertices of the angles of triangle LMN as:

  • L(-2, 4),
  • M(3, 2),
  • N(1,-3)

Use the distance formula to find the length of each side of the triangle.

LM = √[(3−(−2))² + (2−4)²]

LM = √[(5)² + (−2)²]

LM = √29 units

MN = √[(3−1)² + (2−(−3))]²

MN = √29 units

LN = √[(−2−1)² + (4−(−3))²]

LN = √(−3)² + (7)²]

LN = √(9 + 49)

LN = √58 units

Isosceles triangles have two equal sides. Triangle LMN has two sides that are of the same size, therefore, triangle LMN is described as: isosceles triangle.

Learn more about isosceles triangle on:

brainly.com/question/11884412

#SPJ1

5 0
2 years ago
Please answer this correctly
BabaBlast [244]

Answer:

19.63

Step-by-step explanation:

If the radius is 5 centimeters, then the area is just 3.14*5^2 / 4, which is 78.5/4. This is equal to 19.625. Rounding this give us 19.63 as the final answer

8 0
3 years ago
What is the y-intercept of the quadratic function y=x2+5x-25?
Llana [10]

Answer:

y- intercept = - 25

Step-by-step explanation:

To find the y- intercept, let x = 0 in the function

y = 0² + 5(0) - 25 = 0 + 0 - 25 = - 25 ← y- intercept

7 0
3 years ago
I don't understand how to do this question, I need help<br><br> Find the value of x in each diagram
Korvikt [17]

Answer:

A. x = 8.

B. x = 31.

C. x = 32.

Step-by-step explanation:

Here. the sum of the 2 parallel sides of the trapezoid = 2 * length of the middle line segment.

MN + RS = 2PQ

32+ x = 2*20

x =  40 - 32

x = 8.

MN + RS = 2PQ

20 + 42 = 2PQ

2x =  62

x = 31

MN + RS = 2PQ

22 + 42 = 2PQ

2x =  64

x = 32.

5 0
3 years ago
FLOORING Miguel is putting hardwood flooring in a hallway that measures 4 feet by 17 feet. The wood he has chosen is $5.48 per s
frozen [14]

A I think yup it's A good luck

Step-by-step explanation:

Miguel is putting hardwood flooring in a hallway that measures 4 feet by 17 feet. The wood he has chosen is $5.48 per square foot

What is the range of the actual cost of putting the flooring in the hallway?

OA) $316.47 and $372.64

OB) $372.64 and $431.55

O C) $362.64 and $382.64

OD) $316.47 and $431.55

7 0
3 years ago
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