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Readme [11.4K]
3 years ago
7

PLEASE HELP QUICKLY !!!!!!!!!!!!!! I will give brainliest

Mathematics
1 answer:
svetlana [45]3 years ago
7 0

t=100 I was not sure about y sowyy

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4. Lucy is k years old. She has a sister who is three years younger than she is and
WITCHER [35]

Answer:

4k - 8

Step-by-step explanation:

Lucy is k years old so we know k is an important part of this problem.
Sister 1 is 3 years younger, so she is k - 3 years old.
Sister 2 is 5 years less than twice Lucy's age therefore, she is 2k (twice Lucy's age) - 5 years old.
Now we have: k + (k - 3) + (2k - 5)
We can simplify like terms with the k's and get 4k. then we add (-3) and (-5) to get 4k - 8.

Hope this helps!

7 0
3 years ago
Which of the following cannot be simplified ?
klemol [59]
The answer is going to be C because you cannot take the square root of 3 and 13. Which means you cannot simplify the square root of 39 any further
5 0
3 years ago
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Please help me !!! and explain your answer !!!<br> solve for L :
faltersainse [42]

L = \frac{P}{2} - W

P = 2L + 2W = 2(L + W) → ( take out common factor of 2)

divide both sides by 2

\frac{P}{2} = L + W

subtract W from both sides

\frac{P}{2} - W = L


5 0
4 years ago
what are the domain and range of f(x) = 4x – 8? domain: {x | x is a real number}; range: {y | y &gt; –8} domain: {x | x is a rea
Serga [27]

Answer : domain: {x | x is a real number}; range: {y | y >- 8}

the domain and range of f(x) = 4^x – 8

For exponential function , there is no restriction for x

So domain is all real numbers

For exponential function , f(x) = a^x + b

The range is y > b

The range of f(x) = 4^x -8 is y> -8

domain: {x | x is a real number}; range: {y | y > –8}

3 0
3 years ago
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The isosceles trapezoid is part of an isosceles triangle with a 26° vertex angle. What is the measure of an acute base angle of
JulijaS [17]
The angle of the trapezoid is 77 degrees
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3 years ago
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