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Archy [21]
2 years ago
10

Determine whether angle-angle-angle (AAA) is a valid means for establishing triangle congruence. If AAA is a valid criterion, ex

plain why. If it isn’t valid, use GeoGebra to create a counterexample demonstrating that it doesn’t work and give an explanation. If you construct a counterexample, include a screenshot of your work in your answer.
Mathematics
1 answer:
Alexeev081 [22]2 years ago
7 0
Can yu pls send us some picture i cant understand the question and then i will comment an answer thx...
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What is 5/9 in a decimals
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3.<br> The perimeter of a square garden is 12 km. Find its area.
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Answer:

the area of the garden is 9 square kilometers

Step-by-step explanation:

4s=12

s=3

A= 3*3 = 9

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The scores on a standardized test are normally distributed with the mean of 750 and standard deviation 70. Find the probability
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please help. answer is 62.1m(squared) and the objects are composite! please show the work, no matter what i do i cant seem to ge
yuradex [85]

Answer:

SA=62.1\ m^2

Step-by-step explanation:

step 1

Find the surface area of the smaller rectangular prism

SA=2B+Ph

where

B is the area of the base

P is the perimeter of the base

h is the height of the prism

SA=2[(2.5)(1.5)]+2(2.5+1.5)(1.5)

SA=7.5+12=19.5\ m^2

step 2

Find the surface area of the cube

SA=6s^2

where

s is the length side of the cube

SA=6(2.5^2)=37.5\ m^2

step 3

Find the lateral area of the cylinder

LA=\pi DL

where

D is the diameter of the base

L is the length of cylinder

LA=(3.14)(0.5)(3.5)=5.495\ m^2

step 4

Find the area of the base of cylinder

A=\pi r^{2}

we have

r=0.5/2=0.25\ m ----> the radius is half the diameter

A=(3.14)(0.25)^{2}=0.19625\ m^2

step 5

Find the surface are of the composite figure

we know that

The surface area of the composite figure is equal to the surface area of the smaller rectangular prism plus the lateral area of the cylinder, plus the surface area of the cube, minus the area of the two bases of cylinder

so

SA=19.5+5.495+37.5-2(0.19625)=62.1\ m^2

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3 years ago
Write an equation in slope-intercept form for the line with slope -2/5 and y-intercept 6 .
lana66690 [7]

y=(-2/5)x + 6

Step-by-step explanation:

y-6= (-2/5)x or y=(-2/5)x + 6

5 0
2 years ago
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