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SVETLANKA909090 [29]
2 years ago
12

Find the value of x, Round to the nearest tenth. 19 16 X

Mathematics
1 answer:
Nutka1998 [239]2 years ago
7 0
Answer: 617=x
a2 + b2 = c2

19 2 + 16 2 = x 2

361+256=x 2

617=x

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When 5 is added to 2 times a number, the result is 45. find the number.
WINSTONCH [101]
A.

let the number be n.
2n+5=45
2n=40
n=20
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3 years ago
3x+y=5  2x-2y=-2 solving systems of equations
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Please help me I don’t know how to do this and it is due at 10:00 please help
Blizzard [7]

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Please help me with questions 23, 24, and 25
alekssr [168]
Problem 23
A = 40
B = 3x+1
C = 3x+1
B and C are congruent, so they have the same angle measure

The three angles of any triangle add to 180 degrees
A+B+C = 180
40+(3x+1)+(3x+1) = 180
6x+42 = 180
6x = 180-42
6x = 138
x = 138/6
x = 23

Answer: B) 23

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

Problem 24

AB is the midsegment parallel to XY
So AB is half that of XY
AB = (1/2)*XY
AB = (1/2)*28
AB = 14

Answer: B) 14

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

Problem 25

Note the ratio of the given rectangle's sides: 7/12 = 0.583 roughly

Divide the answer choices in a similar fashion
A) 5/7 = 0.714
B) 14/36 = 0.389
C) 21/36 = 0.583
D) 21/48 = 0.4375

We get the same result in choice C as we did in the original rectangle

Answer: C) 21 ft x 36 ft

6 0
3 years ago
what is the acceleration of a baseball when its speed increases from 1 m/sec to 25 m/sec in 1 second?
kirill115 [55]

Answer:

24 m/s²

Step-by-step explanation:

Acceleration is change in velocity over time.

a = Δv / Δt

a = (25 m/s − 1 m/s) / 1 s

a = 24 m/s²

7 0
3 years ago
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