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Viefleur [7K]
3 years ago
5

50 points , please be honest

Mathematics
2 answers:
Kamila [148]3 years ago
7 0

Answer:

\sqrt{15}

Step-by-step explanation:

a^2+b^2=c^2

7^2+b^2=8^2

49+b^2=64

b^2=15

b=\sqrt{15}

Greeley [361]3 years ago
5 0

Answer:

7

Step-by-step explanation:

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Tessie has a volleyball game at 6:45 p.m. she needs to be there 15 minutes early to warm up for the game and it takes her 40 min
const2013 [10]
First we need to add the time she takes warming and the time she takes going to the the gym:
15minutes+40minutes=45minutes

Next, we area going to subtract those 45 minutes from the time the game begins: 
6:45pm-45minutes=6:00pm

We can conclude that she should leaver her house at 6:00 pm if she wants to get in time for her 6:45 pm game.
6 0
4 years ago
NEAD HEALP SOLVING THIS QUESTION
docker41 [41]

Answer:

obtuse triangle, because 22^2 + 51^2 = 54^2

Step-by-step explanation:

Well an easy way to start it off would be to draw it.

When you draw it out, it makes it easier to see and determine what type of triangle it is so you can use process of elimination.

I've included a picture so you can see.

As you can see, the blue represents the angle that's different than the rest. Since its larger than 90 degrees its an obtuse angel.

Even though there's two acute angels, the triangle is obtuse.

So we can use process of elimination to determine that its not the first two.

Next, to determine if it is obtuse or acute, usually your supposed to use a^2 + b^2 = c^2

So lets do that.

A=AB (22)

B=AC (51)

C=BC (54)

C will always be the largest side.

so lets set it up. 22^2 + 51^2 > 54^2

22^2 = 484

51^2 = 2601

54^2 = 2916

484 + 2601 > 2916

3085 > 2916

The statement is true showing that its obtuse.

If c was equal to a and b then it would be right.

If a and b was less than c then it would be acute.

So the answer would be the last option.

If you ever need more help, don't be afraid to reach out. I hope that helps!

6 0
3 years ago
Find the midpoint of the line segment with end coordinates of:(−2,−4) and (2,−10)
zhuklara [117]

Answer:

Step-by-step explanation:

By using mid point formula ,

(X,Y) =( X1+X2/2) , Y1 +Y2/2

(-2+2/2) , (-4-10/2)

or, (0/2), (-7)

6 0
3 years ago
One central idea in the Declaration of Independence is that Americans should get rid of the British government and form a new on
AleksAgata [21]

Answer:

number 1

Step-by-step explanation:

8 0
3 years ago
Can anyone help me with this problem
Rama09 [41]

9514 1404 393

Answer:

  8. A = {Delaware, New Jersey, Pennsylvania}

  9. |B| = 3

Step-by-step explanation:

8. Dates prior to 1 Jan 1788 are those in 1787. The three states admitted in 1787 are listed as Delaware, Pennsylvania, New Jersey. It is usually convenient to list elements of a set in lexicographical order:

  A = {Delaware, New Jersey, Pennsylvania}

__

9. The months June and July appear 3 separate times on the list, so there would be 3 elements in the set B.

  |B| = 3

3 0
3 years ago
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