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3 years ago

9

Name the types of special quadrilaterals that will appear when you join two congruent equilateral triangles. (Hint: Make a sketc

h to help you answer. Remember that if you flip one of the two triangles, you may find different quadrilaterals.)

1 answer:

NikAS [45]3 years ago

5 0

The equilateral triangles will form a rhombus.

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Y less than x minus 3

MariettaO [177]

I assume you want the expression to this so it would be x-y-3

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4 years ago

What is the volume of the sphere shown below with a radius of 3

ser-zykov [4K]

Volume of a sphere = (4/3) × π × r3 therefore the answer is 36 pie

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3 years ago

Read 2 more answers

A student wants to check six websites. Four of the websites are social and two are school-related. After checking just two sites

mash [69]

The approximate probability that she checked a social website first, then a school-related website is 0.267.

First step is to calculate the Total number of websites

Total number of websites=Number of school websites+Number of social websites

Total number of websites=2+4

Total number of websites=6

Second step

Probability of checking the social website first

Probability of checking social website=Number of social websites/Total number of websites

Probability of checking social website= 4/6

Third step

Since one social website is checked which means that she is left with 3 social website and 2 school websites

Total number websites=2+3

Total number websites=5

Forth step

Probability of checking social website=Number of school websites/Total number websites

Probability of checking social website=2/5

Fifth step

Probability= 4/6 x 2/5 = 0.2666

Probability=0.267(Approximately)

Inconclusion the approximate probability that she checked a social website first, then a school-related website is 0.267.

Learn more about probability here:brainly.com/question/25688842

6 0

3 years ago

$265 worth of tickets were sold Adult tickets cost $6 Child tickets cost $2.50 • 57 tickets were sold. How many adult tickets we

BARSIC [14]

Answer:

35 adult tickets were sold

Step-by-step explanation:

If 35 adult tickets were sold, that would be $210

If 22 child tickets were sold, that would be $55

When you add them together, you get 57 tickets and $265.

(I'm sorry I don't know how to explain this but I hope it helped anyway)

5 0

3 years ago

AB is parallel to ED.

ivolga24 [154]

Answer:

BE = 22.4 cm

Step-by-step explanation:

Δ CAB and Δ CDE are similar , then ratios of corresponding sides are equal, that is

$\frac{CB}{CE}$ = $\frac{AB}{DE}$ , substitute values

$\frac{6.4}{CE}$ = $\frac{8}{20}$ ( cross- multiply )

8 CE = 128 ( divide both sides by 8 )

CE = 16 cm

Then

BE = BC + CE = 6.4 + 16 = 22.4 cm

4 0

3 years ago