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3 years ago

How do you add and subtract integers?

1 answer:

5 0

Answer: To add integers having the same sign, keep the same sign and add the absolute value of each number. To add integers with different signs, keep the sign of the number with the largest absolute value and subtract the smallest absolute value from the largest. Subtract an integer by adding its opposite.

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What is the sum of the measures of the exterior angles of this triangle

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Answer:

360°

Step-by-step explanation:

The sum of all the exterior angles of a triangle is equal to 360 degrees.

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4 years ago

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A square is a quadrilateral with four equal sides and four 90 degree angles. Is quadrilateral ABCD a square?

Rainbow [258]

Answer: yes

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2 years ago

Which pairs of triangles can be shown to be congruent using rigid motions?

Karo-lina-s [1.5K]

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4 years ago

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ONLY NEED TO DO 6, 8, 10, 12, 14.

zimovet [89]

Answer:

6 = (2,2)
8 = (0, -6)
10 =(13,-6)

Step-by-step explanation:

$Midpoint = (\frac{x_2+x_1}{2} , \frac{y_2+y_1}{2} )\\$

$(5.8) =(x_1,y_1)\\(-1,-4) =(x_2,y_2)\\\\Midpoint =\left(\frac{-1+5}{2},\:\frac{-4+8}{2}\right)\\\\Midpoint =( \frac{4}{2} , \frac{4}{2} )\\\\Midpoint = ( 2 , 2)$

$(-3 ,-7) =(x_1 ,y_1)\\(3,-5)=(x_2,y_2)\\\\\left(\frac{3-3}{2},\:\frac{-5-7}{2}\right)\\ \\Midpoint = (\frac{0}{2} , \frac{-12}{2} )\\\\Midpoint = ( 0, -6)$

10.

$L(-9 ,4) =(x_1 ,y_1)\\K(2 , -1 ) = (x ,y )\\M(x_2 ,y_2 )=?\\ \\x = \frac{x_2+x_1}{2}\\ 2 = \frac{x_2 +(-9)}{2}\\ 2 = \frac{x_2-9}{2}\\ Cross\:Multiply\\\\4 =x_2-9\\4+9=x_2\\13 =x_2\\\\y = \frac{y_2+y_1}{2}\\ -1 = \frac{y_2 +4}{2} \\-1 \times 2= y_2+4\\-2 =y_2+4\\-2-4 =y_2\\-6 =y_2\\\\(x_2 ,y_2) = (13 , -6)\\$

7 0

3 years ago

Kanga hops to the grazing land and back in 15 minutes. Her speed on the way to the grazing land is 5 m/s and on the way back her

Alex777 [14]

The distance to the grazing land is 8100m

<h2>Distance and speed</h2>

The formula for calculating the distance traveled is expressed as:

Distance = Speed * Time

Given

Speed = 5m/s + 4m/s

Speed = 9m/s

Time = 15 minutes

Substitute the given parameters into the formula

Distance = 9m/s * 15 mins

Distanc = 9 * 15 * 60

Distance = 8100m

Hence the distance to the grazing land is 8100m

Learn more on distance here: brainly.com/question/4931057

8 0

2 years ago

How do you add and subtract integers?​

How do you add and subtract integers?