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3 years ago

Write 12.9 + 8 using words.

Mathematics

1 answer:

Anna35 [415]3 years ago

7 0

Twelve point nine plus eight equals twenty point nine (12.9 + 8 = 20.9)
Hope this helped :)

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In parallelogram ABCD below, AC is a diagonal, the

Vinil7 [7]

Step-by-step explanation:

ABCD parallellogram
m< B = m< D = 40
in triangle ACD :

m < CAD = 180 - ( 40 + 57 ) = 83

7 0

3 years ago

C bisects AB. If AC = 8x - 1 and BC = 4x + 19, what is the length of AB?

tensa zangetsu [6.8K]

The length of AB is 78 units.

<h3>What is a Line Segment?</h3>

A line segment is defined as a measured path between two places. Line segments can make up any polygon's sides because they have a set length.

The figure is given below shows a line segment AB , where the length of line segment AB refers to the distance between its endpoints, A and B.

Given that C is the midpoint of AB

AC = 8x - 1 and BC = 4x + 19,

A______________C______________B

⇒ AB = AC+ BC

Since C is the bisects of AB, So AC = BC

⇒ AB = AC+ BC

⇒ AB = 2AC

Substitute the values of If AC = 8x - 1 and BC = 4x + 19,

⇒ 8x - 1 = 4x + 19,

Rearranging the terms in the above equation,

⇒ 8x - 4x = 1 + 19,

⇒ 4x = 20,

⇒ x = 20/4,

⇒ x = 5

So AB = 2AC

⇒ AB = 2(8x - 1) = 16x -2

Substitute the value of x = 5 in the above equation,

⇒ AB = 16(5) -2

⇒ AB = 78

Hence, the length of AB is 78 units.

Learn more about the line segment here:

brainly.com/question/25727583

#SPJ1

8 0

1 year ago

Find the geometric mean of 5 and 20

olchik [2.2K]

Answer:

x =10 because it is

7 0

3 years ago

(5m-4)/6 -1 = 4m - (3m+10)/2 pls answer fast

Debora [2.8K]

Answer:

Step-by-step explanation:

$\frac{(5m - 4)}{6} - 1 = 4m - \frac{(3m + 10)}{2}$

$= > \frac{5m - 4 - 6}{6} = \frac{8m - 3m - 10}{2}$

$= > \frac{5m - 10}{6} = \frac{5m - 10}{2}$

[Cross Multiplication]

=> 2(5m - 10) = 6(5m - 10)

=> 10m - 20 = 30m - 60

=> 60 - 20 = 30m - 10m

=> 40 = 20m

$= > m = \frac{40}{20}$

=> m = 2 (Ans)

3 0

3 years ago

The Panthers football team gains 15 yards on the first play of a football game, then it loses 15 yards on the second play.

lyudmila [28]

Answer: B

Step-by-step explanation: I feel like it's b but it is too easy

3 0

3 years ago

Read 2 more answers