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9966 [12]
3 years ago
8

20 PPOINTS SOMEONE PLEASE HELP ME ON #11 pleaseeee

Mathematics
1 answer:
Debora [2.8K]3 years ago
6 0

Answer:

Set #9 are congruent triangles.

Step-by-step explanation:

They are the same shape and size. If I were to flip them over, they would mach up.

You might be interested in
The length of the second side of a triangle is 2 inches less than the length of the first side.The length of the third side is 1
Luda [366]

Answer:

The lenght of the tree sides of the triangle are:

first side: 21 inches

second side: 19 inches

third side: 33 inches

Step-by-step explanation:

a + b + c = 73

b = a - 2

c = a + 12

a = leght of the first side of the triangle

b = lenght of the second side of the triangle

c = lenght of the third side of the triangle

then:

a + (a-2) + (a+12) = 73

3a - 2 + 12 = 73

3a + 10 = 73

3a = 73 - 10

3a = 63

a = 63/3

a = 21 inches

b = a - 2

b = 21 - 2

b = 19 inches

c = a + 12

c = 21 + 12

c = 33 inches

Check:

21 + 19 + 33 = 73

related task:

https://brainly.lat/tarea/1029254

6 0
3 years ago
(NO FILES OR LINKS OR RANDOM WORDS)
ehidna [41]

Answer:

Randomly selecting a six of diamonds - 1 / 52

Randomly selecting a 7, 8, 9 or 10 - 4 / 13

Step-by-step explanation:

There is only 1 six of diamonds in a standard deck of cards. There are 52 cards in a deck, thus the probability of pulling a six of diamonds is 1 in 52.

There are 4 of each card in a deck. so they are 4 7's, 4 8's. 4 9's and 4 10's. And there are a total of 52 cards in a deck. So the probability of pulling a 7,8,9 or 10 are 4 + 4 + 4 + 4 in 52

4 + 4 + 4 + 4 = 16

16 / 52 simplified is 4 / 13 Therefore the is a 4 in 13 chance of pulling a 7 8 9 or 10

The other ones are correct

3 0
3 years ago
How many pints are in 3 gallons?
hoa [83]

3 gallons = 24 pints


Hope this helps you!

Always remember you are a Work Of Art!

-Nicole :) <3

8 0
3 years ago
What are 9 decimals that round to 4.56 ?
zalisa [80]
4.561, 4.562, 4.563, 4.564, 4.560
8 0
3 years ago
Christy drove 135 miles in 2.5 hours.what was her average speed in miles per hour
klio [65]
You divide 2.5 to both the miles and hours to get 1 hour and the miles remain.
The answer is 54 miles 
7 0
4 years ago
Read 2 more answers
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