Hue wants to buy two necklaces, one for her sister costs $43.25, and the necklace for herself costs $26.25. The sales tax on the purchase is 3%. Find the total cost of hue's purchases,including sales tax.
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Mario claims that a rhombus is sometimes a square, but a square is always a rhombus. Is he correct? Explain your answer.
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A cup of broth can have 870 milligrams of salt, which is 30% of the recommended daily allowance. What is the recommended daily amount?
Figure PQR is an equilateral triangle with a semicircle attached to it. What is the perimeter of figure PQR? Use 3.14 to approximate pi.
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You divide 296 by 8 and then you get your answer
Determine whether the function is one-to-one.
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Answer:
we conclude that the function is one-to-one.
Step-by-step explanation:
A function will a one-to-one function if it
- passes the vertical line test to make sure it is indeed a function, and
- also a horizontal line test to make sure it is it one-to-one.
In other words,
The function will be one-to-one if it passes the vertical line test, and also if the horizontal line only cuts the graph of the function in one place.
The reason is that there must be only one x-value for each y-value.
Given the function
Have a look at the attached graph.
- The red portion represents the graph of the function
.
- The green portion represents the graph of x=2 which is basically a vertical line test. Vertical line indicates that it cuts the cuts the graph of the function in one place. So it is clear that
- The blue line represents the graph of y=9, which is basically a horizontal line test. Horizontal line indicates that it cuts the cuts the graph of the function in one place. So it is clear that
Therefore, we conclude that the function is one-to-one.
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The number of pieces that the cable is cut is 28.
What is Division?
Division is one of the operation in mathematics where number is divided into equal parts as that of a definite number.
Total length of the wire = 35 meters
Length of each cut piece = 1.25 meters
Number of pieces can be found by dividing the total length of the wire by the length of each piece.
Number of pieces of wire = 35 / 1.25 = 28
Hence the number of pieces of cable is 28.
Learn more about Division here :
#SPJ5
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Answer:
40%
Step-by-step explanation:
Finley's pumpkin had a mass of 6.5 kg before he carved it.
After carving it, the pumpkin had a mass of 3.9 kg.
Now, we are asked to determine the % decrease in the mass of the pumpkin.
Therefore, the % decrease in mass is given by
%. (Answer)
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Answer:
36
Step-by-step explanation:
Carson had x number of apples to start with.
He gave 1/3 to Nathan. Now Carson has (2/3)x apples left.
He gave 1/2 of what was left to Nikki. Now Carson has (1/2)(2/3)x = (2/6)x = (1/3)x apples.
On the way home, he dropped 1/4, so he has 3/4 of the last amount he had, and the number is 9.
(3/4) * (1/3)x = 9
3/12 x = 9
1/4 x = 9
x = 36
Answer: He picked 36 apples.
Check:
Start with 36 apples.
Give 1/3 to Nathan. Now Carson has 24 apples.
Give 1/2 to Nikki. Now Carson has 12 apples.
Drop 1/4. 1/4 of 12 is 3. 12 - 3 = 9.
Hew only had 9 apples left, so 36 is correct.
Answer:
36 apples
Step-by-step explanation
Step 1 = he dropped 1/4 and was left with 9
Finding 1/3 one third of 9 = 3.
Then 9 +3 = 12
Step 2 He parted with 1/2 and was left with 12
12x2=24
Step 3 He parted with 1/3 and was left with 24
= 12+ 12 + 12 = 36 Where 1/3 of 36 = 24
Answer = 36