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Rzqust [24]
3 years ago
13

Each big square below represents one whole. What percent is represented by the shaded area?

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

Answer:

173%

Step-by-step explanation:

I think?

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Solve sec2theta + tantheta - 3 =0 for 0
Serhud [2]

Answer:

Ф = \frac{\pi }{4} ,\frac{5\pi}{4}

Step-by-step explanation:

It is a bit difficult to input the work here, so I uploaded an image

  • First we can use the trig identities to change sec²(Ф) to tan²(Ф) + 1
  • Then we can combine like terms
  • Then we can factor this as a polynomial function
  • Then we can set each term equal to zero and solve for Ф
  • The first term tan(Ф) - 2 = 0 has no solution because tan(Ф) ≠ -2 anywhere
  • The second term tan(Ф) - 1 = 0 has two solutions of \frac{\pi}{4} and \frac{5\pi}{4} so these are the solutions to the problem

7 0
3 years ago
The mean number of hours that employees of a large corporation work in a week is 41 hours with a standard deviation of 2.78. Wha
erastova [34]

Answer:

Step-by-step explanation:

0

5 0
2 years ago
How are the two angles below related? Drawing not to scale.<br><br><br> Drawing is not to scale.
Phoenix [80]

we know that

Two angles are supplementary if their sum is equal to 180 degrees

in this problem we have

Angle\ 1=45\°

Angle\ 2=135\°

so

Angle\ 1+Angle\ 2=180\°

therefore

<u>the answer is</u>

The two angles are supplementary

5 0
3 years ago
Read 2 more answers
On a math test, do a first pass through the test and solve all of the problems you can do easily.
Tomtit [17]
Yes teachers say to do that all the time it helps you
7 0
3 years ago
the length of a rectangle is 3cm more than the width. find the length and the width if the perimeter of the rectangle is 98cm.
laila [671]

The perimeter of a rectangle is <u>length + length + width + width</u>.

We know that the length of a rectangle is 3cm more than its width, which gives us the equation:  (l for length and w for width)

l = 3 + w

We also know that the perimeter of the rectangle is 98cm, which gives us the equation:

98 = 2l + 2w         (equation for perimeter of a rectangle as noted above)

We can divide both sides of this equation by 2 to get:

49 = l + w

Now we'll stick l = 3 + w into the above equation, which gives us:

49 = 3 + w + w

which simplifies to 49 = 3 + 2w.

Now we'll subtract 3 from both sides:

49 - 3 = 46

3 + 2w - 3 = 2w

which gives us 46 = 2w.

Dividing both sides by 2 gives us 23 = w.

Substituting w = 23 into the equation l = 3 + w gives us:

l = 3 + 23

l = 26cm.

Let's check our answer.  26cm is 3cm more than 23cm.  26cm + 26cm + 23cm + 23cm gives us 98cm.  The length is 26cm and the width is 23cm.


7 0
3 years ago
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