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Free_Kalibri [48]
3 years ago
13

Help meh please..................

Mathematics
2 answers:
Fittoniya [83]3 years ago
7 0
Answer is 2x and 7y because they’re 2 different variables ( x and y are two different letters )
madam [21]3 years ago
3 0

Answer:

The correct answer is B.  (2x and 7y)

Step-by-step explanation:

You cannot combine x to y therefore they are considered unlike terms .

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A radar gun was used to record the speed of a swimmer (in meters per second) during selected times in the first 2 seconds of a r
Natalka [10]
Trapezoidal is involving averageing the heights
the 4 intervals are
[0,4] and [4,7.2] and [7.2,8.6] and [8.6,9]

the area of each trapezoid is (v(t1)+v(t2))/2 times width

for the first interval
the average between 0 and 0.4 is 0.2
the width is 4
4(0.2)=0.8

2nd
average between 0.4 and 1 is 0.7
width is 3.2
3.2 times 0.7=2.24

3rd
average betwen 1.0 and 1.5 is 1.25
width is 1.4
1.4 times 1.25=1.75

4th
average betwen 1.5 and 2 is 1.75
width is 0.4
0.4 times 1.74=0.7

add them all up
0.8+2.24+1.75+0.7=5.49

5.49
t=time
v(t)=speed
so the area under the curve is distance
covered 5.49 meters
8 0
3 years ago
48 = 3/2y <br> simplify your answer as much as possible
Sloan [31]
48 = 1\frac{1}{2}y \\48(\frac{2}{3}) = 1\frac{1}{2}y(\frac{2}{3}) \\32 = y
4 0
3 years ago
Tom puts a cup of tea in his microwave oven He knows that the final temperature of the water will be a function of the number of
bearhunter [10]
B and C are both correct 

t(s) is equivalent to the temperature of the tea after s amount of seconds
4 0
3 years ago
Pls help! Include the unit.
Bezzdna [24]
She swim 0.85 kilometers
4 0
3 years ago
Determine if the sequence below is arithmetic or geometric and determine the common difference / ratio in simplest form.
Vladimir79 [104]

Answer:

a. T² - T¹ = d ( A. P) -5

b. T²/T¹ = r (G. P) 3/4

Step-by-step explanation:

a. 15 - 20 = -5

b. 15/20 = 3/4

4 0
3 years ago
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