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Verizon [17]
3 years ago
5

Please help quick I will give brainliest :(

Mathematics
1 answer:
Flura [38]3 years ago
6 0

Answer:

r=4 d=8 a = 16π c = 8π

d=6 r=3 a=9π c=6π

a=36π r=6 d=12 c=12π

c=18π r=9 d=18 a=81π

Step-by-step explanation:

hope this helps (:

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Rudo is making pizzas he needs 3/4 cup of cheese to make one whole pizza. he has 2/8 cup of cheese
Eduardwww [97]

Answer: He can make 1/3 of pizza.

Step-by-step explanation: Divide 2/8 by 3/4. When you divide fractions you need to keep the first number exactly as it is and change the sign to multiplication and flip the second number. It is going to be 2/8 times 4/3. Which is 8/24 and if you simplify it, divide 8 and 24 by 8, and the answer is 1/3.

3 0
2 years ago
The cost to install x number of central air conditioning units for a company is given by the function C(x) = 4000x +1300/3 Use t
Vesna [10]

Given:

The cost to install x number of central air conditioning units for a company is given by the function

C(x)=\dfrac{4000x+1300}{3}

To find:

The cost to install 45 air conditioners.

Solution:

We have,

C(x)=\dfrac{4000x+1300}{3}

Putting x=45, we get

C(45)=\dfrac{4000(45)+1300}{3}

C(45)=\dfrac{180000+1300}{3}

C(45)=\dfrac{181300}{3}

C(45)=60433.3333...

C(45)\approx 60433.33

Therefore, the cost to install 45 air conditioners is $60433.33.

4 0
2 years ago
The rate of change in the temperature T of coffee at time t is proportional to the difference between the temperature M of the a
Anna11 [10]

Answer:

T'(t)=k(M(t)-T(t))

Step-by-step explanation:

The rate of change in the temperature T of coffee at time t is written as T'(t) (remember derivatives are used to express rates of change, and in our case the rate of change of the temperature T). The difference between the temperature M of the air at time t, and the temperature T of the coffee at time t can be expressed as M(t)-T(t)

Saying that the rate of change in the temperature T is proportional to the difference between M and T is just a way of saying that the rate of change in the temperature T is equal to the difference between M and T, multiplied by some constant k (whose value we don't know, but still that's what it means).

Therefore we get

T'(t)=k(M(t)-T(t))

7 0
3 years ago
What is the value of x
aivan3 [116]

Answer:

x=14√3 and y=28

Step-by-step explanation:

This is a 30, 60, 90 triangle. We have to multiply 14 by 2 to get the hypotenuse. In this case, the hypotenuse is y. 14x2 is equal to 28. Therefore, y=18. The long side is equal to the small side times the √3. Therefore, x is equal to 14√3. Therefore, x=14√3 and y=28.

If this has helped you please mark as brainliest

4 0
2 years ago
4 Three intersecting lines form triangle BCE as shown below.
Lapatulllka [165]

Answer:

  • A, C, E

Step-by-step explanation:

<u>Options:</u>

A. m∠C + m∠E = m∠A

  • Correct. Exterior angle equals to sum of non-adjacent interior angles.

B.   m∠D + m∠F = m∠B

  • Incorrect. Exterior angles have greater value.

C. m∠B + m∠C + m∠E = 180°

  • Correct. Interior angles of a triangle sum to 180°

D. m∠B + m∠C + m∠D = 180°

  • Incorrect. Angles C and D sum to 180°

E. m∠A + m∠ B = m∠E + m∠F

  • Correct. Both sides of equation refer to straight angle.

F . m∠B + m∠C + m∠ E = m∠A + m∠D + m∠F

  • Incorrect. Some of interior angles is not equal to sum of exterior angles.
5 0
2 years ago
Read 2 more answers
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