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notsponge [240]
2 years ago
9

Draw a parallelogram with a base of 3cm and a height of 7cm and shiw howto calculate its area​

Mathematics
1 answer:
tia_tia [17]2 years ago
3 0

Answer:

a parallelogram is a rectangle so the sides are 3cm and the other two are 7cm

Step-by-step explanation:

how to calculate the area is u multiply 7 by three and there is your answer

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Answer:

x=5/4 + 5b/4

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1. Is the actual equation, so this is Given

2. removing the parenthesis is the Distributive Property

3. Combining like terms.

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5. Subtract 4 from both sides, this is the Subtraction Property of Equality.

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Identify the domain of the graph of y = -x2 - 6x – 13.
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Answer:

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Step-by-step explanation:

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I just took a screenshot of it, but I have no idea how to do this
Marianna [84]

Answer:

84°

Step-by-step explanation:

Solve for n. Note that the angle measurements of a circle will equal 360°. Set all the angles = 360°.

7n + 12 + 13n - 16 + 6n = 360

Combine like terms:

(7n + 13n + 6n) + (12 - 16) = 360

26n - 4 = 360

Isolate the variable, n. Note the equal sign, what you do to one side, you do to the other. First, add 4 to both sides:

26n -4 (+4) = 360 (+4)

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Next, divide 26 from both sides:

(26n)/26 = (364)/26

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Next, plug in 14 for n in the angle measurement, 6n:

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Note that these are central angles, which means that the arc's will be the same measurement as the angle's measurement.

arcBC = 84°

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3 0
3 years ago
which statements about the graph of the function f(x) = –x2 – 4x 2 are true? check all that apply. the domain is {x|x ≤ –2}. the
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we have that

f(x) = -x^{2} - 4x+ 2

using a graph tool

see the attached figure

statements

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case b) The range is {y|y ≤ 6}.------> Is True

The range is the interval (-∞,6]

case c) The function is increasing over the interval (–∞ , –2).-----> Is True

See the attached figure

case d)The function is decreasing over the interval (−4, ∞).-----> Is False

In the interval (-4,-2) the function is increasing and in the interval (-2,∞) the function is decreasing (See the attached figure)

case e)The function has a positive y-intercept.------> Is True

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