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saw5 [17]
2 years ago
9

Find the area of a circle with radius, r = 5.64m.

Mathematics
1 answer:
Tpy6a [65]2 years ago
3 0

Answer:

99.93 m^{2}

Step-by-step explanation:

1.  The area of a circle is defined by the equation: A = \pi r^{2}

2. We can plug in the radius and solve the equation: A = \pi *5.64^{2}

3. A = π * 31.8096

4. A = 99.932

5. A = 99.93

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Which trigonometric ratio is correct for triangle DEF? (Hint: Use Pythagorean Theorem first) A.) Sin(D)= 24/7 B.) Tan(D)= 24/25
Tanya [424]

Answer:

Cos E= 24/25

Step-by-step explanation:

Length of hypotenuse: 7^2+24^2=625. 625 square root=25

Thus, DE is 25.

Sin D= 24/25, so that is false.

Tan D= 24/7, so that is false.

Cos E= 24/25, so that is true

Sin E= 7/25, so that is false.

4 0
3 years ago
Solve the system by the elimination method.<br> 16x-3y=-1<br> -8x+y=3
mojhsa [17]
Send me your email I will send the working.

The answers:
x = 1
y = -5

7 0
3 years ago
Keiko, Chang, and Abdul sent a total of 109 text messages over their cell phones during the weekend. Keiko sent 7 fewer messages
lbvjy [14]

9514 1404 393

Answer:

  • Keiko: 17
  • Chang: 24
  • Abdul: 68

Step-by-step explanation:

Let c represent the number of messages sent by Chang. Then Keiko sent (c-7) messages, and Abdul sent 4(c-7) messages. The total number sent was ...

  c + (c -7) +4(c -7) = 109

  6c -35 = 109 . . . . . . . . . . simplify

  6c = 144 . . . . . . . . . . . add 35

  c = 24 . . . . . . . . . . . divide by 6

  c-7 = 17

  4(c-7) = 68

Keiko sent 17, Chang sent 24, and Abdul sent 68 text messages.

5 0
3 years ago
Find the next three terms in the sequence.
Lynna [10]
It would be OD because it is going down by 8 each time and you can see that D goes down by 8 each time
5 0
3 years ago
Read 2 more answers
4 ^-3 rewrite without an exponent
hichkok12 [17]

Answer:

(1/4)³

Step-by-step explanation:

Hope it helps you

5 0
3 years ago
Read 2 more answers
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