Answer:
<h2>3x³ + 5</h2>
Step-by-step explanation:
( 4x - 2x³ ) + ( 5x³ - 4x + 5)
<u>Remove the parenthesis</u>
That's
4x - 2x³ + 5x³ - 4x + 5
<u>Group like terms</u>
We have
5x³ - 2x³ + 4x - 4x + 5
We have the final answer as
<h3>3x³ + 5</h3>
Hope this helps you
1) Change the word problem into an equation:
.5x+x=213.75 where x equal the amount of money Dave earns.
2) Combine the like terms: .5x+x=1.5x
3) Now solve: 1.5x=213.75 and use multiplicative inverse to get your answer of 142.5
4) Now wait, this is the amount Dave earns not the amount Monsiha earns, however we know that Monsiha earns half that, therefore:
142.5÷2=75.25
The answer would be 'Monsiha raised $75.25 in total'.
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Answer:
length enlarged by 10 ft
Step-by-step explanation:
Given:
Width = 11 ft
length = 22 ft
New area = 352 ft²
New length = 22 + x ft
Find:
Value of x
Computation:
(11)(22+x) = 352
242 + 11x = 352
11x = 110
x = 10
So, length enlarged by 10 ft
The answer is 88 cube units.
Answer:
Area of second circle = 56cm² +
Area of second circle = 2179.71cm²
Step-by-step explanation:
let the radius of the small circle be r and that of the big circle be R
Area small circle =
Area Big circle =
Area Big circle - Area small circle = 56cm²
- =56cm²
The second circle is the bigger circle.
Area of second circle - =56cm²
Area of second circle = 56cm² +
r =26cm
Area of second circle = 56cm² +
Area of second circle = 56cm² +
Area of second circle = 56cm² +
Area of second circle = 56cm² + 2123.71
Area of second circle = 2179.71cm²