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Firlakuza [10]
3 years ago
8

Can someone help me with this page

Mathematics
2 answers:
vova2212 [387]3 years ago
6 0

Answer:

Q2) 6x4=24

24 +3 =27

Step-by-step explanation:


guajiro [1.7K]3 years ago
3 0
Q) 10 = 10,11,12 multiples = 1320 so the answer is 12
Q) 11 = not 5 because between 1-100
Q) 1 = 7
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Find all solutions to the equation. cos^2x + 2 cos x + 1 = 0
Black_prince [1.1K]

Answer:

x = pi, 3pi, 5pi  etc

x = -pi, -3pi, -5pi etc

Step-by-step explanation:

cos^2 x + 2 cos x + 1 = 0

replace cos x with m

m^2 + 2m +1 = 0

solve by factoring  (this is a^2 +2ab+b^2 = (a+b)^2  where a =m and b=1)

(m+1)^2=0

take the square root of each side

m+1 =0

m=-1

now replace m with cos x

cos x = -1

take arccos  of each side

arccos cos x = arccos (-1)

x = pi, 3pi, 5pi  etc


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3 years ago
Estimate: 43 divide by 6
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Answer:

7

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42/ 6 = 7

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One car is going 35 MPH nd the other car is going 45 MPH
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Simplify<br> (5a2bc3) abc4
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Answer:

Table 3; Blue graph; y = -4; 2x-3y = 7.

Step-by-step explanation:

Table 3 is a linear relationship because the y-coordinates, or outputs, change by the same rate throughout the table.  A constant rate of change defines a linear function.

The blue graph is linear because it is a straight line.

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