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zalisa [80]
3 years ago
7

A round cake has a diameter of 30 cm. Angela places the cake on a circular cake board with a diameter 5 cm longer than that of t

he cake. What is the circumference of the cake board? Give your answer in terms of pi π
Mathematics
1 answer:
Stels [109]3 years ago
5 0

Answer:

C = 35 pi

Step-by-step explanation:

The new diameter is 5 + 30 = 35

The circumference = pi * d

The circumference = 35*pi

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ladessa [460]
(4*4*10)*3
160*3=480
(5*3*10)*2
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4 0
3 years ago
Read 2 more answers
Evaluate the expression below when y = -3. 2y + 7 -4y − 10 A
GREYUIT [131]
Hello!

Judging by the question you have provided I have figured that the best way to go about finding the solution is by using the distributive property!

This means you will want to distribute the y = -3 into the 2y+7-4y-10 equation.

However, the first step you should take is to simplify the equations.
After simplifying the equations you should come out with the new equation being -2y-3.

You now want to distribute the y=-3 into the equation!
You should get -2(-3)-3. Now solve!

The answer you get should be 3!

Hope this helped!
-Blake
 
4 0
3 years ago
Find the domain and range of f(x)=2x+cos x
V125BC [204]

Answer:

Domain = Range =  All real numbers

Step-by-step explanation:

To quickly solve this problem, we can use a graphing tool or a calculator to plot the equation.

Please see the attached image below, to find more information about the graph

The equation is:

f(x)=2x+cos x

From the plot, we can see the answer is

Option a.

Domain = Range = (-∞,∞)

8 0
3 years ago
Help pleaseee
Morgarella [4.7K]

Answer:

Step-by-step explanation:

     (x + 2)² = (x - 1)(x + 14)

x² + 4x + 4 = x² + 13x - 14

           -9x = -18

              x = 2

5 0
3 years ago
What is 2/3 divided by 5/6
Serjik [45]
4/5. 2/3 divided by 5/6 is equivalent to 2/3 multiplied by 6/5, so the answer is 4/5.
6 0
3 years ago
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