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larisa [96]
3 years ago
15

Can someone please help me fill this out I generally need help

Mathematics
1 answer:
Aneli [31]3 years ago
3 0

Answer:

confusement

Step-by-step explanation:

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Higher Order Thinking
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Subtract 87 by 63 and there is UR answer 
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Cos2A is equivalent to: A. sin2A−cos2A B. sin2A+cos2A C. cos2A−sin2A D. cosA−sinA
valina [46]

Formatted Options:

A. sin²A−cos²A

B. sin²A+cos²A

C. cos²A−sin²A

D. cosA−sinA

Answer:

C. cos²A−sin²A

Step-by-step explanation:

From the double angle formulas, we know that:

cos (A + B) = cosAcosB - sinAsinB

So, if B = A, then the above equation becomes;

cos(A + A) = cosAcosA - sinAsinA      [i.e replacing B with A]

=>cos(2A) = (cosA)² - (sinA)²

=> cos(2A) = cos²A - sin²A

Therefore,

cos(2A) is equivalent to cos²A - sin²A

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3 years ago
The Diaz family bought 7 bags of cookies. Each bag had 14 cookies. They have since eaten 29 of the cookies. How many cookies do
saveliy_v [14]

Answer:

They have 69 cookies left.

Step-by-step explanation:

7 x 14 = 98

98 - 29 = 69

6 0
3 years ago
Which graph shows a proportional relationship in which the value of y is one-half of the value of x?
alexira [117]

Answer:

The graph is shown below.

Step-by-step explanation:

Given:

The relationship between the variables 'x' and 'y' is proportional relationship.

A proportional relationship is of the form:

y=mx

Where 'm' is called the constant of proportionality and also the slope of the line y=mx

Now, it is given that 'y' is one-half of the value of 'x'. Framing it in equation form, we get:

y=\frac{1}{2}x

So, the slope of the line is m=\frac{1}{2}

Slope is nothing but rise over run. Run is parallel the x-axis and rise is parallel to the y-axis.

Now, a proportional relationship always passes through the origin.

So, in order to get slope equal to one-half, we need to move 2 units along the x-axis from the origin and then 1 unit parallel to y-axis to get to the next point. The point is (2, 1).

Now, we draw a line passing through the origin and (2, 1) which is the required of the given proportional relationship.

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Will Give BRAINLIEST) the distance around a rectangular parking lot is 1,200 meters. If the parking lot is 74 meters long, how w
abruzzese [7]
The width would have to be 526
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