Answer:
1436.755 cm³
Step-by-step explanation:
Input Data :
Length = 7 cm
Objective :
Find what is volume of the sphere for given input data?
Formula :
Volume =
4πr3
3
Solution :
Volume =
4 x 3.1416 x 73
3
=
4 x 3.1416 x 343
3
=
4310.2651
3
Volume = 1436.755 cm³
Answer:
1. 5x +43
2. -1.5x - 7
3. 6.2 - 2x
Step-by-step explanation:
<u />
<u>Equation 1:</u>
5 (x+8) +3
First, we can distribute the 5 to the (x+8) and get 5x + 40. Distributing is when we multiply the 5 by the first number (x) and then by the second number (8) Because they aren't like terms (don't both have x's) we cannot combine then and must keep them separated by a subtraction sign
Now we have: 5x + 40 + 3
Next, we can combine the like terms. This means that any that have the same variable can be combined. So, the 5x has no other x's so he has to stay how he is. The 40 and the 3, however, can be added together to get 43.
Our finished equation is: 5x + 43
<u />
<u>Equation 2:</u>
3.6x - 7 - 5.1x
First, we can combine like terms as we learned in the last problem. This would be our x's since we have multiple.
We can add 3.6x and -5.1x and get -1.5x
Now we have: -1.5x - 7
<u />
<u>Equation 3:</u>
4 + 8x + 2.2 - 10x
We can start with either the numbers with x's or without but I'll just do the x's. So we have 8x and -10x. Adding these together would get us -2x.
Next, we can combine 4 and 2.2 and get 6.2.
Now, putting these back into our equation would look like this:
6.2 - 2x
I'm not sure how much my explanations helped, but I hope you understand!!
Answer: I’m pretty sure it’s the 4th one.
Step-by-step explanation: because 1 and 2 have infinity solutions but 3 has no solution 4 comes up with x=-11
Can you give brainiest? :)
<h2>
Answer:</h2>
The dollar price of the Japanese toy is: $ 4.
<h2>
Step-by-step explanation:</h2>
Exchange rate--
It the value of currency of one country in term's of the currency of the other country.
Here it is given that:
The yen per dollar exchange rate is 5.
This means that:
5 yen= $ 1
This means that:
(5×4) yen=$ (1×4)
i.e.
20 yen=$ 4
Now the cost of Japanese toy is: 20 yen
<em>Hence, the cost of the Japanese toy in dollars is: $ 4.</em>