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kolbaska11 [484]
4 years ago
14

Write the numerical expression in words then solve (98-78)×11

Mathematics
1 answer:
Arada [10]4 years ago
4 0
<span>Find the difference between ninety-eight and seventy-eight, then multiply by eleven. Ninety-eight minus seventy-eight is twenty, take this and multiply if by eleven to arrive at an answer of eleven. Following the order of operations the math within the parentheses must be done first, then the multiplication. The answer is two-hundred and twenty.</span>
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Whitch equation is related to this equation? k divided by 4=13
OlgaM077 [116]
k:4=13\\\\\dfrac{k}{4}=13\ \  \ \ |multiply\ both\ sides\ by\ 4\\\\k=52
6 0
3 years ago
A scented candle is in the shape of a cylinder that is 8 inches tall. The diameter of the candle is 3.5 inches. Find the volume
blagie [28]
To find volume you use V=πr2h
V=3.14x1.75x2x8
answer: 76.97
5 0
3 years ago
What is the solution of x=2+ square root x-2?
alex41 [277]

So I'm going to assume that this question is asking for <u>non extraneous solutions</u>, or solutions that are found in the equation <em>and</em> are valid solutions when plugged back into the equation. So firstly, subtract 2 on both sides of the equation:

x-2=\sqrt{x-2}

Next, square both sides:

(x-2)^2=x-2\\(x-2)(x-2)=x-2\\x^2-4x+4=x-2

Next, subtract x and add 2 to both sides of the equation:

x^2-5x+6=0

Now we are going to be factoring by grouping to find the solution(s). Firstly, what two terms have a product of 6x^2 and a sum of -5x? That would be -3x and -2x. Replace -5x with -2x - 3x:

x^2-2x-3x+6=0

Next, factor x^2 - 2x and -3x + 6 separately. Make sure that they have the same quantity on the inside of the parentheses:

x(x-2)-3(x-2)=0

Now you can rewrite the equation as (x-3)(x-2)=0

Now, apply the Zero Product Property and solve for x as such:

x-3=0\\x=3\\\\x-2=0\\x=2

Now, it may appear that the answer is C, however we need to plug the numbers back into the original equation to see if they are true as such:

2=2+\sqrt{2-2}\\2=2+\sqrt{0}\\2=2+0\\2=2\ \textsf{true}\\\\3=2+\sqrt{3-2}\\3=2+\sqrt{1}\\3=2+1\\3=3\ \textsf{true}

Since both solutions hold true when x = 2 and x = 3, <u>your answer is C. x = 2 or x = 3.</u>

8 0
3 years ago
Find the slope of each of the lines below (-4,-2),(6,1)
iren [92.7K]
The slope is 7/6.
Hope it helps .
4 0
2 years ago
Please and don’t just answer for the points, it’s rude
Artyom0805 [142]

Answer:

7a ( 1,1)

7b ∅  or no solution

Step-by-step explanation:

The solution to the system is where the two functions intersect

For 7a.  The parabola and the line intersect at (1,1)

For 7b  The parabola and the line do not intersect so there is no solution

3 0
3 years ago
Read 2 more answers
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