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Artemon [7]
3 years ago
11

Which number is equal to 15 a)0.015 b)1.5 c)150/100 d)3/20

Mathematics
2 answers:
marshall27 [118]3 years ago
8 0

Answer: 150/100

Step-by-step explanation:

myrzilka [38]3 years ago
5 0

Answer:

c

Step-by-step explanation:

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What series of transformations to quadrilateral ABCD map the quadrilateral onto ​ quadrilateral EFGH to prove that ABCD≅EFGH ?
Alex17521 [72]
B:  a reflection across the x-axis followed by a translation 4 units right.

Comparing the points to their mapped images compares A to E, B to F, C to G, and D to H.  In each point, the y-coordinate switches signs and the x-coordinate is subtracted by 4.

Reflections across the x-axis will switch the sign of the y-coordinate, and reflections across the y-axis will switch the sign of the x-coordinate.  Since the y-coordinates are the ones whose sign changed, the points must have been reflected across the x-axis.

Translations to the left will cause the x-coordinate to increase, and translations to the right will case the x-coordinate to decrease.  Since the x-coordinate of every point was subtracted, this means that the translation must have been to the right.
7 0
3 years ago
Read 2 more answers
29. BASKETBALL When Jerald shoots a free throw, the ball is 6 feet from the floor and has
tatuchka [14]

Answer:

  a) j(t) = -16t^2 +20t +6

  b) 1 second

  c) less time

Step-by-step explanation:

The general equation for vertical motion is ...

  h(t)=-\dfrac{1}{2}gt^2+v_0t+h_0\\\text{where $v_0$ is the initial upward velocity, and $h_0$ is the initial height}

__

a) j(t) = -16t^2 +20t +6 . . . . . filling in the given initial values, with g=32 ft/s^2

__

b) We want to find the larger of the solutions to ...

  j(t) = 10 = -16t^2 +20t +6

Subtracting 6 and dividing by -4, we have ...

  -1 = 4t^2 -5t

  4t^2 -5t +1 = 0 . . . . add 1, put in standard form

  (4t -1)(t -1) = 0 . . . . . factor

  t = 1/4 or 1

The ball is in the air 1 second before reaching the hoop.

__

c) In generic terms, the equation of motion for a given shooting height at the same upward velocity will be ...

  10 = -16t^2 +20t + h0

  -16t^2 +20t +(h0 -10) = 0

Using the quadratic formula, we find the larger solution to be ...

  t = (-(20) -√(20² -4(-16)(h0 -10)))/(2(-16))

  t = (5/8) + √(64h0 -240)/32 = (5 +√(4h0 -15))/8

This value increases as h0 increases, so the ball will be in the air less time when Raymond shoots.

7 0
3 years ago
How do you know if a number is prime​
anygoal [31]

Answer:if I only one and that number can go into

Step-by-step explanation:for example 3

5 0
3 years ago
Plz help ty :)))))))))
Neporo4naja [7]
3x - 3y = -12      ------------- (1)
7x + 2y = -19     --------------(2)

(1) x 2 : 6x - 6y = - 24       ----------- (1a)
(2) x 3 : 21x + 6y = -57     ----------- (2a)

(1a) + (2a) : 27x =  - 81
                        x = - 3

Sub x = -3 into (1) :  3(-3) - 3y = - 12 
                                               y = - 12  + 9
                                               y = - 3

Answer( -3, -3)


3 0
3 years ago
Bob has a coin cup with four $1 tokens and two $5 tokens in it. He also has two $10 tokens and one $25 token in his pocket. He
Luba_88 [7]

Answer:

b

Step-by-step explanation:

4 0
3 years ago
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