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gtnhenbr [62]
3 years ago
12

The range of the function f(x)=x+5 is (7,9). What is the function's domain? Is it (2,4) (-2,-4) (12,14) (-12,-14) (0,5) Mathemat

ics
Mathematics
1 answer:
Andru [333]3 years ago
5 0
7=x+5
2=x

9=x+5
4=x
range is (2,4)
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<h3>What is an inference?</h3>

An inference means the conclusion that can be deduced from the information given in a literary work.

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6 0
2 years ago
Ridley bought 3 3/4 yards of blue fabric,12 5/6 yards of red fabric,and 7 2/3 yards of purple fabric.if she paid $7.50 per yard,
Amanda [17]

The fabric cost $181.875

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Blue fabric bought = 3 3/4 yards , change to improper fraction (4*3)+3/4 = 15/4 yards

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Total cost will be, 291/12 * 7.50 =$ 181.875

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5 0
3 years ago
What is the sum? 3k/k^2+k-7/4K
Aleksandr-060686 [28]

Answer:

  \dfrac{k^2+5k}{4k^2}

Step-by-step explanation:

A suitable common denominator is 4k^2. (This eliminates the first and last choices.)

\dfrac{3k}{k^2}+\dfrac{k-7}{4k}=\dfrac{4(3k)}{4(k^2)}+\dfrac{k(k-7)}{k(4k)}\\\\=\dfrac{12k+k^2-7k}{4k^2}=\boxed{\dfrac{k^2+5k}{4k^2}}

3 0
3 years ago
How many centimeters are there in 1 yard if there are 2.54 centimeters per inch? Show your work and express your answer without
sasho [114]

Answer: 91.44

Step-by-step explanation:

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30.48 x 3= 91.44

I hope this helps!

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2 years ago
Andre is running in an 80-meter hurdle race. There are 8 equally-space hurdles on the race track. The first hurdle is 12 meters
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