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KATRIN_1 [288]
3 years ago
10

Which choice best represents the area of a circle with a diameter of 16 cm. Use ≈3.14

Mathematics
2 answers:
Rudiy273 years ago
8 0

Answer:

it is 25.12

Step-by-step explanation:

Amiraneli [1.4K]3 years ago
3 0

Answer:

it is 803.84 centimeters squared

Step-by-step explanation:

area of a circle is r^2* 3.14

=16*16*3.14

=803.84

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The formula F = 1.8C + 32 gives the temperature in degrees Fahrenheit (F) for a given temperature in degrees Celsius (C). There
11Alexandr11 [23.1K]

Answer:

-40 °F = -40 °C

Step-by-step explanation:

(1) F = 1.8 C + 32

If the Fahrenheit and Celsius temperatures are the same, then

(2)        F = C     Substitute (2) into (1)

            C = 1.8C + 32     Subtract 1.8 C from each side

C – 1.8 C = 32                   Combine like terms

    -0.8C = 32                   Divide each side by -0.8

          C = -32/0.8

(3)      C = -40                  Substitute (3) into (1)

         F = 1.8(-40) + 32

         F = -72 + 32

        F = -40

So, -40 °F = -40 °C

The thermometer below shows that -40 °F = -40 °C.

7 0
3 years ago
I need help with question 30 please! :)
Nataliya [291]

Answer:

B ∩ (A ∪ C)'

Step-by-step explanation:

It's the B part excluding A and C union. Hence,

(A ∪ C)' ∩ B

7 0
2 years ago
What is the area of a cross section that is parallel to face CDHG ?
Dennis_Churaev [7]

Answer: Area of cross section that is parallel to face CDHG is 432 cm².

Step-by-step explanation:

Since we have given that

There is a cross section that is parallel to face CDHG.

So, Length of cross section would be 36 cm

Width of cross section would be 12 cm.

So, Area of cross section would be

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Hence, Area of cross section that is parallel to face CDHG is 432 cm².

8 0
3 years ago
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Ahat [919]

Answer: $21.24

Step-by-step explanation:

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0.85 * 24.99 = 21.2415  

TO the nearest penny will be 21.24

7 0
3 years ago
I am a 2 digit number my digits have difference of 7
Norma-Jean [14]
70
7-0=7

81 or 18
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