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Paul [167]
1 year ago
5

45 POINTS WILL GIVE BRAINLIEST PLS HELPPPPPPPP

Mathematics
2 answers:
SVEN [57.7K]1 year ago
8 0
1. A is correct
2.C is your correct answer
Hope this helps
OLEGan [10]1 year ago
4 0
A for both of them add all the numbers up and divide by the amount of numbers to get your iQR but A is right for both
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A parachutist's speed during a free fall reaches
Romashka [77]
132 feet/s
132/3.3 m/s
40 m/s

in 10 seconds
40 * 10
400 m
5 0
3 years ago
The height of a rocket, launched from the ground, is given by the function y = 30 t − 5 t 2 , where y is in meters and t is in s
jasenka [17]

1. (a) The orbital period can be calculated using the equation

T = 2πrr r

gR2

e

where r = Re + h

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5 0
3 years ago
Please help thank you If A = [[1,5] [-3,4]] and B = [[2,6] [6.-1]], find AB.
TEA [102]

Answer:

AB=\left[\begin{array}{cc}32&1&18&-22\\\end{array}\right]

Step-by-step explanation:

To multiply matrices, we need to take the dot product of each row and column.

First, the dot product of (1,5) and (2,6) is what goes in the top-leftmost section of the resulting matrix. So the dot product would be (1*2)+(5*6)=2+30=32.

Second, the dot product of (1,5) and (6,-1) is what goes in the top-rightmost section of the resulting matrix. So the dot product would be (1*6)+(5*-1)=6-5=1.

Third, the dot product of (-3,4) and (2,6) is what goes in the bottom-leftmost section of the resulting matrix. So the dot product would be (-3*2)+(4*6)=-6+24=18.

Fourth, the dot product of (-3,4) and (6,-1) is what goes in the bottom-rightmost section of the resulting matrix. So the dot product would be (-3*6)+(4*-1)=-18-4=-22.

Therefore, the resulting matrix is \left[\begin{array}{cc}32&1&18&-22\\\end{array}\right]

3 0
3 years ago
Solve for x. x−2.7≥10.3 Enter your answer, as an inequality, in the box.
ser-zykov [4K]
The first thing to do is isolate the x so get rid of the -2.7 but since is a negative you are going to add it to 10.3 so>>> 2.7+10.3 =13  x≥13 is the answer.
8 0
3 years ago
Exponential notation 10 to 7 power times 10 to the 6 power is
EleoNora [17]

10^7\times10^6=10^{7+6}=10^{13}\\\\Used:\\a^n\cdot a^m=a^{n+m}

5 0
4 years ago
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