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Aleksandr [31]
3 years ago
14

Please help! Will mark Brainiest!

Mathematics
1 answer:
DochEvi [55]3 years ago
7 0

Answer:

27.93 square yard

Step-by-step explanation:

For semicircle:

Radius (r) = 7 yards

For Triangle:

b = 2r = 2*7 = 14 yd

h = 7 yard

Area of shaded region = Area of semicircle - Area of triangle

= \frac{1}{2}  \times \pi {r}^{2}  -  \frac{1}{2}  \times b \times h \\  \\  =  \frac{1}{2}  \times 3.14 \times  {7}^{2}  -  \frac{1}{2}  \times 14\times 7 \\  \\  = \frac{1}{2}  \times 3.14 \times  49  -  \frac{1}{2}  \times 98\\  \\  = 3.14 \times 24.5 - 49 \\  \\  = 76.93 - 49  \\  \\  = 27.93 \:  {yd}^{2}  \\

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Thank you!!!!!!!!!!!!
AlekseyPX

Answer:

6

Step-by-step explanation:

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5 0
3 years ago
If m(x) = x+5/x-1 and n(x)=x-3, which function has the same domain as (m o n)(x)?
inn [45]

it's simple it's really easy so the answer is 2.0 1682

5 0
3 years ago
What is 3 hours 35 minutes + 2 hours 45 minutes
givi [52]
The answer  to this question is 380 minutes 
4 0
3 years ago
Read 2 more answers
Evaluate 3(x-1)^2 if x=4
Ronch [10]

Answer:

27

Step-by-step explanation:

3(4-1)²

3(3)²

3 x 9

= 27

5 0
3 years ago
PLEASE HELP‼️‼️Drag the expression that is the most reasonable measurement for each object.
Afina-wow [57]

Answer:

<em>A. Length of a Tour Bus                       ↔     #2.      1.1 × 10¹ meters</em>

<em />

<em>B. Width of an apple                             ↔      #3.     4 × 10⁰ centimeters</em>

<em />

<em>C. Distance from Earth to a Satellite    ↔    #6.     8 × 10² kilometers</em>

<em />

<em>D. Thickness of a human hair               ↔     #5.      9 × 10¹ micrometers</em>

Explanation:

<u><em>A. Length of a tour bus.</em></u>

The length of a tour bus should be measured in meters. It sure is way less than 1 kilometer and way more than a few centimeters. It could be about some meters, more than 5 meters, may be between 10 meters and 15 meters.

The measurement in the box # 2. is 1.1 × 10¹ meters, which is equivalent to 1.1 × 10meters = 11 meters. Thus, this is a reasonable length.

<u><em>B. Width of an apple.</em></u>

The most appropiate unit to measure the width of an apple should be centimer. It certanly is shorter than 1 meter and bigger than 1 mm.

The width of an apple could be, more or less, around 8 centimeters. The only measurement in the boxes that is in that order is that in the box #3., 4 × 10⁰ centimeters, because 10⁰ = 1, so 4 × 10⁰ = 4 × 1 = 4centimeters.

<u><em>C. Distance from Earth to a Satellite</em></u>

The distance from Earth to a satellite should be measured in kilometers.

You can find in the internet that the distances of the satellites are between 700 kilometers and 36,000 kilometers.

The number in the box #1 is too big, in the order of ten trillions of kilometers, because one trillion is 10¹²; thus that is notreasonalbe (too big).

The number in the box #6 is  8 × 10² kilometers, which is equal to 8 × 100 = 800 kilometers.

Thus,  8 × 10² kilometers (box #6) is the most reasonable measurement for the distance from Earth to a Satellite

<u><em></em></u>

<u><em>D. Thickness of a human hair</em></u>

Of course, kilometers, meters, centimeters and even milimeters are units too big to measure the thickness of a human hair.

One micrometer is 10⁻⁶ meters or 10⁻³ milimeters.

In the internet you can find that diameter of the humar hairis in the range from 17 micrometers to 181 micrometers.

The measurement in the box #5. is 9 × 10¹ micrometers, which is equivalent to 9 × 10 = 90 micrometers.

Thus, 9 × 10¹ micrometers is the most reasonable measurement fot the thickness of a human hair.

7 0
3 years ago
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