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Margarita [4]
3 years ago
11

15 POINTS! someone pls answer

Mathematics
1 answer:
photoshop1234 [79]3 years ago
5 0

Answer:

2(\frac{1}{2} *20*50)+2(\frac{1}{2} *20*10)

Step-by-step explanation:

The formula for the area of a triangle is \frac{1}{2} *b*h

The triangles that can be made is the triangle that has legs 20 and 50 and the triangle that has legs 20 and 10.

Since there are 2 of each triangles, we get:

2(\frac{1}{2} *20*50)+2(\frac{1}{2} *20*10)

The answer that fits is the first option.

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On a number line, the coordinate of X is 52, the coordinate of Y
ASHA 777 [7]

Answer:

No

Step-by-step explanation:

since the magnitude of xy ≠ zw,

|x-y| = xy = |52-121|= 69, |z-w| = zw = |-21-25| = 46

69 ≠ 46

8 0
2 years ago
12,13,14 help please
PSYCHO15rus [73]
12. 15 (3x5x1)
13.  8  (4x2x1)
14. 18 (6x3x1)

Hope this helps! :D
5 0
3 years ago
Read 2 more answers
An airplane flies into the wind for 5 hours, traveling 900 miles. The airplane then
Musya8 [376]

Answer:

22.5 miles per hour

Step-by-step explanation:

<u>Given system of equations</u>

5(s-w)=900

4(s+w)=900

<u />

<u>Set equations equal to each other</u>

5(s-w)=4(s+w)

5s-5w=4s+4w

s-5w=4w

s=9w

<u>Solve for w using the substitution s=9w</u>

4(s+w)=900

4(9w+w)=900

4(10w)=900

40w=900

w=22.5

Therefore, the speed of the wind is 22.5 miles per hour

7 0
2 years ago
Lee wanted to equally share his pizza with his 3 sisters. What fraction of the pizza does he and each sister receive?
xxMikexx [17]

Answer:

He and each of his sisters will recieve 1/4 of the pizza

Step-by-step explanation:

5 0
3 years ago
Paisley's car used 11 gallons to travel 374 miles. How many gallons of gas would she need to travel 442 miles?
fenix001 [56]

Answer:

13 gallons

Step-by-step explanation:

7 0
3 years ago
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