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Gemiola [76]
2 years ago
15

What's 1+1 i been stuck on the question for the past 40 mins please help im in 8th grade​

Mathematics
1 answer:
ahrayia [7]2 years ago
5 0
Answer
2

Explanation
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Q7Which statement is incorrect for the graph of thefunction y = -5 cosGcos( 3 (x – 3)) +62The period is 4.The amplitude is 3.The
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The given function is,

y=-5\cos (\frac{\pi}{2}(x-3))+6

The graph can be drawn as,

The period will be distance between two consequetive maximas,

\text{Period}=1-(-3)=4

Thus, period is correct.

The amplitude can be determined as,

\begin{gathered} Amplitude=\frac{\max -\min }{2} \\ =\frac{11-1}{2} \\ =5 \end{gathered}

Thus, amplitue is incorrect.

The range is,

y\in\lbrack1,11\rbrack

Thus, the range is correct.

The midline is,

\begin{gathered} \text{midline}=\frac{\max +\min }{2} \\ =\frac{1+11}{2} \\ =6 \end{gathered}

Thus, the midline is correct.

Thus, option (b) is the solution.

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1 year ago
two angles are complementary.one angles measure is 79 degrees. What is the measure of the other angle
dalvyx [7]
Complementary means the two angles add up to 90 degrees. Do 90 - 79 to find the other angle. 

It's 11 degrees. 
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3 years ago
need explanation on answer: Cameron makes a quilt design using four congruent triangles as shown below. 4 connecting congruent t
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Answer:

its 64cm

Step-by-step explanation:

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<span>Inflection points are where the function changes concavity. Since concave up corresponds to a positive second derivative and concave down corresponds to a negative second derivative, then when the function changes from concave up to concave down (or vise versa) the second derivative must equal zero at that point. So the second derivative must equal zero to be an inflection point. But don't get excited yet. You have to make sure that the concavity actually changes at that point.</span>
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