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MaRussiya [10]
3 years ago
5

A 3cm×10cm rectangle sits inside a circle with radius of 12. Find the area of the shaded region

Mathematics
1 answer:
kolezko [41]3 years ago
6 0

Answer:

422.4cm²

Step-by-step explanation:

area of circle is pi x 12² which is 144 pi

144pi subtract 30 is 422.4

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A school dedicated 20% of the courtyard area for students to start a garden. The students want to know how much of the 950-squar
Step2247 [10]

Answer:

190 square foot

Step-by-step explanation:

School yard = 950 square foot

20% of school yard for student to start garden

Therefore

20/100 x 950

= 190 square foot

7 0
3 years ago
Ben and Landon took turns driving on the recent 820 mile road trip Ben averaged 60 mph while Landon average 56 mph if the trip t
AysviL [449]

Answer:

9 hours

Step-by-step explanation:

Let :

Landon hours = x

Ben hours = y

x + y = 14 - - (1)

60x + 56y = 820 - - - (2)

From (1)

y = 14 - x

60x + 56(14 - x) = 820

60x + 784 - 56x = 820

4x = 820 - 784

4x = 36

x = 36/4

x = 9

Landon drove for 9 hours

4 0
3 years ago
Nakeisha bought a pair of shorts online for $74. She used a coupon code to get a 10% discount.
AfilCa [17]

Answer:

the answer is 69.93

hope this helps!

7 0
2 years ago
A tee-shirt company plans to hand out 1,830 coupons during May. It will hand out
Makovka662 [10]

Answer:

  A. O 5

Step-by-step explanation:

1830 ÷ 31 = 59.032258...

The first non-zero digit of the quotient is 5.

6 0
3 years ago
Is knowing the coordinates of the vertex of a parabola enough to determine the domain and range?
puteri [66]

The <em>correct answers</em> are:


C) No: we would need to know if the vertex is a minimum or a maximum; and

C)( 0.25, 5.875).


Explanation:


The domain of any quadratic function is all real numbers.


The range, however, would depend on whether the quadratic was open upward or downward. If the vertex is a maximum, then the quadratic opens down and the range is all values of y less than or equal to the y-coordinate of the vertex.


If the vertex is a minimum, then the quadratic opens up and the range is all values of y greater than or equal to the y-coordinate of the vertex.


There is no way to identify from the coordinates of the vertex whether it is a maximum or a minimum, so we cannot tell what the range is.


The graph of the quadratic function is shown in the attachment. Tracing it, the vertex is at approximately (0.25, 0.5875).

5 0
3 years ago
Read 2 more answers
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