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mr Goodwill [35]
3 years ago
7

A triangle has sides measuring 1.5 m, 2 m and 2.5 m. Show that this is a right-angled triangle.​

Mathematics
1 answer:
Nady [450]3 years ago
7 0

Answer:

Yes, this is a right triangle

Step-by-step explanation:

Plug the values into the pythagorean thm.

1.5^2 + 2^2 = 2.5^2

2.25+4=6.25

6.25=6.25

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B-c,when b=8 and c=7
elixir [45]
If I understand your question correctly then it's simple all you have to do is use the numbers in the place of the b and c so the question would be what is 8-7 which equals 1 
8 0
3 years ago
Alice's book has 200 pages . Alic has read 75%of the pages in her book Nina has read the same number of pages but only 50% of th
kirza4 [7]

Answer:

I Believe the answer is 300

Step-by-step explanation:

75% of 200 is 150 and Nina also read 150 pages. They said Nina only read 50% of her book so that means there's 150 more pages left.

I Hope this helped and i explained it well enough for you to understand

(Correct me if i'm wrong)

8 0
3 years ago
Use order of operations to simplify.<br><br> 4 - 10 + 12 / 3 + (7^2 - 7)
Usimov [2.4K]
Order of Operations = Please Excuse My Dear Aunt Sally, PEMDAS. P= Parentheses E=Exponents M= Multiplication D= Division A= Addition and S= Subtraction in that order.

The answer
4-10+12/3+(7^2-7)
4-10+12/3+(49-7)
4-10+12/3+56
4-10+4+56
4-14+56
4-70
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5 0
3 years ago
Pls help with this for brainliest answer
TiliK225 [7]

Answer:

the answer is 12pie

Step-by-step explanation:

6mm is radius

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4 0
3 years ago
Read 2 more answers
Help this is to confusing
maw [93]
What is presented here is an example of a two-column proof, where one side lists the steps in the order in which the author worked and the parallel side explaining the reason behind each step. In the first example, it shows that the equation is given because we did not need any sort of thinking to come to the conclusion that 2/3y +15 = 9. The second step is actually Subtraction of Equality because we are subtracting the integer 15 from both sides, therefore both sides are still equal.

In the third step, the reason provided is simplification. We can infer that this means we will need to combine like terms since the step before has like terms (15 and -15, 9 and -15). If we combine these terms we get 2/3y = -6. 

The fourth step of action we can probably take from step three, is to multiply both sides by 3 in order to eliminate the denominator. With that we get, 2y = -18 and can be justified by simplification.

The final step calls for simplification, meaning all we have to do is either add, subtract, divide, or multiply both sides by the same number. We are solving for y, so in order to get y alone we must divide both sides by 2. This is to get rid of any coefficient of the y variable. The final step of this proof is y = -9

Hope this helps!
4 0
3 years ago
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