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IrinaK [193]
3 years ago
8

PLEASE HELP ASAP!!! i’ll mark brainlyest

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
8 0

Answer:

B

Step-by-step explanation:

  • How many minutes do you have in every hour? 60 right, so that's the ratio as a fraction saying 60 minutes per hour
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Line segment BD divides trapezoid ABCE into a rectangle and a right
grin007 [14]
<h3>Answer:  96 units</h3>

===========================================================

Explanation:

Since ABDE is a rectangle, the opposite sides AE and BD are the same length. This makes BD = 24. Similarly, ED = 20 since AB = 20.

Focus on triangle BCD. Let x be the length of segment CD. We can use the pythagorean theorem to find x

a^2 + b^2 = c^2

(BD)^2 + (CD)^2 = (BC)^2

24^2 + x^2 = 25^2

576 + x^2 = 625

x^2 = 625 - 576

x^2 = 49

x = sqrt(49)

x = 7

Segment CD is 7 units long.

Since ED = 20, this means,

EC = ED + DC

EC = 20 + 7

EC = 27

The perimeter of this trapezoid is

P = sum of all exterior sides

P = AB+BC+CE+EA

P = 20+25+27+24

P = 96 units

Note that we didn't add in side BD as part of the perimeter because it is not an exterior side. Think of sides AB, BC, CE, and AE as outer walls of the house while BD is an interior wall. The perimeter is only worried about the outer walls.

3 0
3 years ago
Read 2 more answers
What is the range of y=−x2−6x+1?
djyliett [7]

Answer:

All real numbers / (-∞, ∞) / R

Step-by-step explanation:

The equasion provided is a linear equasion meaning it can be written in the y=ax+b format, where both a and b are real numbers. All linear eqasions have a range of all real numbers, you can write this using the three solutions provided.

You can solve this two ways, number one would be to put this in a graphing calculator and number two would be reducing the equasion to the y=ax+b format.

<h2>Method 1:</h2>

look at image provided. The app is PhotoMath.

<h2>Method 2:</h2>

Write the equasion:

y = -2x - 6x + 1

Collect like terms:

y = -8x + 1

This now proves that the equasion is linear becuase you can write it in the y=ax+b format. a being -8 and b being 1.

7 0
3 years ago
Adsyin reads 2 pages every 15 minutes. Raul reads 5 pages every hour. How many do they read altogether in 2 hours?
Anton [14]

Answer:

26 pages in 2 hours

Step-by-step explanation:

Adysin

60 minutes divided by 15 equals 4

2 times 4 equals 8

8 times 2 equals 16

Raul

5 times 2 equals 10

16 plus 10 equals 26

5 0
3 years ago
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Need help answering this question!
Katarina [22]

Answer:

6.6 i think

Step-by-step explanation:

6 0
3 years ago
Please help, basic algebra. Find the value of x
Lesechka [4]

Answer:

X= 53

Random comment:

Hopefully i've helped you good luck.

4 0
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