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Minchanka [31]
3 years ago
15

PLEASE HELP!!! This was due today

Mathematics
2 answers:
Anna35 [415]3 years ago
6 0

For perimeter you add the numbers on the sides together. For area you do A=1/2 bh. Type means what type of triangle is it. Isioceles (idk how to spell) and right triangle , and obtuse triangle.

Inessa [10]3 years ago
5 0

Answer:

IDK

Step-by-step explanation:

IDK

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Five students wrote a mathematics test. The average mark was 68. If the marks for four of the students were 75, 62, 84 and 53, t
konstantin123 [22]

Answer:

66

Step-by-step explanation:

Use the formula for the mean of a set of numbers:

                  sum of the numbers

average = --------------------------------

                     count of numbers

Here we know that the average mark was 68, so we can write:

               

                           75 + 62 + 84 + 53 + x

average = 68 = ----------------------------------

                                           5

or                            274 + x

                  68 = -------------------

                                    5

Solving for x, we multiply both sides by 5:     340 = 274 + x.

Subtracting 274 from both sides effectively isolates x:

 340 = 274 + x

- 274    -274

------------------------

  66      =    x

The fifth student's mark was 66.

4 0
3 years ago
My question is what is the answer to 2y = x + 3 <br> x = y
Brilliant_brown [7]

Answer:

(0,0)

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
In any linear relationship, explain why the slope is always the same.
7nadin3 [17]
Because if it is linear it is a straight line so the slope must always be equal to eachother
7 0
3 years ago
The probability of choosing an ace from cards is 4/52. What is the probability of not selecting an ace?
motikmotik

Answer:

48/52

Step-by-step explanation:

(total number of cards-4 ace cards)/52

4 0
2 years ago
Explain WHAT WOULD HAPPEN TO motion IF friction DID NDT EXIST.
MA_775_DIABLO [31]

Answer:

If friction did not exist, it would be hard for us to slow down in running, or putting breaks on a car, and more!

If friction did not exist, your car will slide down the road even if you try your best to put the brakes on a car. Friction is a very important force to slow down things that are moving very fast

Step-by-step explanation:

Hoped this helped.

GeniusUser

5 0
2 years ago
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