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Vanyuwa [196]
3 years ago
15

Can someone who is good at math help? I only need 1a

Mathematics
1 answer:
Alborosie3 years ago
4 0

Answer:

The radius would be 12cm

and the height 4

gives u the surface area of 1206cm^3

Step-by-step explanation:

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Yoko is going for a walk. She takes 5 hours to walk 12.5 miles. What is her speed?
Dennis_Churaev [7]

Answer:

2.5mph (miles per hour)

Step-by-step explanation:

Simple, 12.5/5 = 2.5 mph (miles per hour)

8 0
3 years ago
Pls help what is 66 2/3 % of 9/10 of $45.00<br><br>*pls include steps tysm​
skad [1K]

Answer:

$27.00

Step-by-step explanation:

We first have to start at the base value of $45.00, as without that, we have nothing to go off of. We can work right to left because we start at the rightmost point of the problem.

Therefore, we start with finding 9/10 of 45.00 . This is as simple as multiplying 9/10 with 45.00, resulting in 40.5

To figure out a percentage relative to real numbers, we first have to turn that percentage into a fraction or decimal. To turn it into a decimal, we simply divide by 100, and 66 2/3 divided by 100 is roughly 0.6666 , or 2/3 . Multiplying our result of 40.5 by this, we get $27.00 as our answer.

3 0
3 years ago
Simplify. 7/3+3(2/3−1/3)^2<br> All of these are fractions except the three and the exponent
Tema [17]

7/3 +3(2/3 -1/3)^2 =

2/3 -1/3 = 1/3 now you have

7/3 +3(1/3)^2

1/3^2 = 1/9

7/3 +3(1/9)

3*1/9 = 1/3

7/3 + 1/3 = 8/3, which can be changed to 2 2/3

4 0
3 years ago
Which equation has a solution of n = 4?
Allushta [10]

Answer:

D. 7n = 28

Step-by-step explanation:

Let's substitute 4 for n in each equation to check if it the resulting equation is correct:

6+n=24\\ 6+4=24\\ 10\neq 24\rightarrow \text{Incorrect!}

5n=54\\5(4)=54\\20\neq54\rightarrow\text{Incorrect!}

12-n=16\\12-4=16\\8\neq16\rightarrow\text{Incorrect!}

7n=28\\7(4)=28\\28=28\rightarrow\text{Correct!}

Therefore the answer is D

4 0
2 years ago
Read 2 more answers
What will the 6% sales tax be on purchases totalling $145.50?
r-ruslan [8.4K]
Simply find 6%  of $145.50

That is 6/100  * 145.5

=  0.06 * 145.5.    Use a calculator

= 8.73.

Sales tax is $8.73.  C.
5 0
4 years ago
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