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PSYCHO15rus [73]

3 years ago

12

Draw and compare models of 3/4 of a pizza pie and 6/8 of the same size pie.

1 answer:

zvonat [6]3 years ago

6 0

Draw 2 circles one cut straight down the middle and straight across the middle from the side making a plus shape then do the same to the 2nd but also in each of the 4 triangles you made in the 2nd one split them down the middle again

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Reasoning triangle $abc$ has a perimeter of $12$ units. the vertices of the triangle are $a(x,\ 2),\ b(2,-2)$ , and $c(-1,\ 2)$

OlgaM077 [116]

hmmm let's find the distance between B and C first off.

$~~~~~~~~~~~~\textit{distance between 2 points} \\\\ B(\stackrel{x_1}{2}~,~\stackrel{y_1}{-2})\qquad C(\stackrel{x_2}{-1}~,~\stackrel{y_2}{2})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ BC=\sqrt{(~~-1 - 2~~)^2 + (~~2 - (-2)~~)^2} \implies BC=\sqrt{(-1 -2)^2 + (2 +2)^2} \\\\\\ BC=\sqrt{( -3 )^2 + ( 4 )^2} \implies BC=\sqrt{ 9 + 16 } \implies BC=\sqrt{ 25 }\implies BC=5$

hmmm if BC is that much, then AB + AC = 7, since AB + AC + BC = 12 which is the perimeter, Check the picture below.

6 0

1 year ago

What is the perimeter of △GHI?

ZanzabumX [31]

The answer is 27 I believe

5 0

3 years ago

Read 2 more answers

Solve this equation for x by graphing.<br> -4x - 1 = 5^x + 4 <br> Please help! Asap

Lina20 [59]

Answer:

-1.28

Step-by-step explanation:

You would put these two equations into a graphing ccalculator:

y = -4x - 1

and

y= 5^x + 4

Wherver they intersect is your answer.

These two happen to intersect at (-1.28,4.13)

Since the equation has x-values, you would give the first number (x-coordinate) as your answer.

7 0

3 years ago

1 All sides are congruent. Paralelogram Rhombus Rectangle Square

Amanda [17]

Answer:

Rhombus

Square

Step-by-step explanation:

Rhombuses and squares have sides that are always congruent.

8 0

2 years ago

the hypotonuse of a right triangle measures 15cm and one of its legs meauseres 8cm find the measure of the other leg

Elza [17]

Answer:

12.6 cm

Step-by-step explanation:

(other leg)² = (15)² - (8)²

(other leg)² = 225 - 64

other leg = √161 ≈ 12.6 cm

8 0

2 years ago

Read 2 more answers