Determine the type of triangle

Mathematics

1 answer:

vitfil [10]2 years ago

8 0

Scalene right triangle-

None of the angles are congruent so it’s scalene, but since a it has a 90 degree angle it is also a right triangle

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There are two spinners containing only white and green slices. Spinner A has 4 white slices and 1 green slice. All the slices ar

MrRa [10]

Answer:

Step-by-step explanation:

Ok, lets list the important things

only green and white slices
all slices same size
spinner A has 4/5 white slices and 1/5 green slices
spinner B has 3/12 white slices and 9/12 green slices

The 4 options are:

spinner B lands on a green slice
spinner A lands on a white or green slice
spinner A lands on a white slice
spinner B lands on a yellow slice

We already know that choice 2 is 100% probable and option 4 is 0% probability, because in option 2, the spinner A ONLY has white or green slices so the spinner must land on the slice. In option 4, no matter which spinner is spun no yellow slices are available to land on.

the chance of option 1 happening is 9/12 which is 3/4 which is 75%

the chance of option 3 of happening 4/5 which is 80%

option 1 has a 75% chance

option 2 has a 100% chance

option 3 has an 80% chance

option 4 has a 0% chance

this means that the order is:

1. option 4

2. option 3

3. option 1

4. option 2

because it is least likely to most likely.

hope this helped you out and if you need any questions feel free to ask

good luck in maths!

-cheesetoasty

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2 years ago

a motorboat travels 305km in 5 hours going upstream and 651km in 7 hours going downstream. What is the rate of the boat in still

Ghella [55]

Recall your d = rt, distance = rate * time.

b = speed rate of the boat.

c = speed rate of the current.

keeping in mind that, as the boat goes Upstream, against the current, it's speed is not "b", but is really " b - c ", because the current is subtracting speed from it.

likewise, when the boat is going Downstream, because is going with the current, is really going faster at " b + c ".

$\bf \begin{array}{lccclll}
&\stackrel{km}{distance}&\stackrel{kmh}{rate}&\stackrel{hours}{time}\\
&------&------&------\\
Upstream&305&b-c&5\\
Downstream&651&b+c&7
\end{array}
\\\\\\
\begin{cases}
305=(b-c)(5)\implies 61=b-c\implies 61+c=\boxed{b}\\
651=(b+c)(7)\implies 93=b+c\\
----------------------\\
93=\boxed{61+c}+c
\end{cases}
\\\\\\
93=61+2c\implies 32=2c\implies \cfrac{32}{2}=c\implies 16=c$

what is the speed of the boat? well, 61 + c = b.

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3 years ago

Charles has been assigned several chores around the house he washed the supper dishes every fifth day, he takes out the trash ev

ch4aika [34]

This question is about the GREATEST COMMON FACTOR.

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2 years ago

What relationship exists between N and K? Given: KLMN is a parallelogram.

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They are the same angle and on opposite sides of the parallelogram

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2 years ago

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Factor 6x4 – 5x2 + 12x2 – 10 by grouping. What is the resulting expression?

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I hope this helps you