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3 years ago

Is this statement true or false? If tan 45° = 1, then tan-1 1 = 90°.

Mathematics

1 answer:

Viktor [21]3 years ago

8 0

False because 90 is grater right

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Find the correct plugged in formula for each figure.

Mars2501 [29]

Answer:

$Area = 40 ( 84)+ 2 *(294)$

Step-by-step explanation:

There is only one figure in the attached image and the solution (surface area) is as follows:

The shape can be sub-divided into:

1. Rectangle

Dimension: 40 by 35

2. Rectangle

Dimension: 40 by 28

3. Rectangle

Dimension: 21 by 40

4. 2 triangles

Base: 21 and Height: 28

Calculate area of each and add them up to get the surface area of the figure.

1. Rectangle

Dimension: 40 by 35

$A_1 = 40 * 35$

2. Rectangle

Dimension: 40 by 28

$A_2 = 40 * 28$

3. Rectangle

Dimension: 21 by 40

$A_3 = 40 * 21$

4. 2 triangles

Base: 21 and Height: 28

$A_4 = 2 * \frac{1}{2} * 21 * 28$

So, the area is:

$Area = A_1 +...+A_4$

$Area = 40 * 35 + 40 * 28 +40 * 21 + 2 * \frac{1}{2} * 21 * 28$

Factor out 40

$Area = 40 ( 35 + 28 + 21 )+ 2 * \frac{1}{2} * 21 * 28$

$Area = 40 ( 84)+ 2 * \frac{1}{2} * 21 * 28$

$Area = 40 ( 84)+ 2 *(294)$

8 0

3 years ago

ASAP! GIVING BRAINLIEST! Please read the question THEN answer correctly! No guessing.

alekssr [168]

Answer:

x > 5

Step-by-step explanation:

Subtract 7 from both sides, like so:

x + 7 > 12

- 7 - 7

________

x > 5

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3 years ago

Which graph represents the solution to this inequality? 16x - 80x < 37 + 27 DS (2 points)

Naddika [18.5K]

Graph 2 graph b is the answer

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Answer:

384

Step-by-step explanation:

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just olya [345]

Answer:

Step-by-step explanation:

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3 years ago

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