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nikklg [1K]
3 years ago
8

1/2 book per day Y=1/2x Is this correct? Explain.

Mathematics
1 answer:
Nezavi [6.7K]3 years ago
3 0

Answer:

Yes

Step-by-step explanation:

The Y represents the days

the x represents the number of books

the 1/2 represents the amount of the book read, so this equation will work

 

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Equivalent expression for 7 to the 12th power times 7 to the 4th power
seraphim [82]

Answer:

7 to the sixteenth power

Step-by-step explanation:

When multiplying these two powers of the base 7 together, we add the exponents:

7^12 * 7^4 = 7^16

This is "7 to the sixteenth power"

5 0
3 years ago
Mr.Anderson paid $19.18 for a CD cover. This amount includes a tax of 8.5%. What was the cost of the CD cover before tax ?
MrRa [10]
X * 1.085 = 19.18
solve for x

Why is this how you figure it out? well... you have the price of the CD cover and the total is the price of the CD cover with tax. 

Price of the CD cover would be: x * 1 = price of cd cover
Put that tax on there: x * 1.085 = price of cd cover with tax

why .085? move that decimal over two places to the left from the 8.5%
3 0
3 years ago
Find the slope of the line that passes through the points (4, 4) and (5,3).
Alex777 [14]

Answer:

the slope of the line is -1

Step-by-step explanation:

slope= change in y/change in x

slope=(3-4)/(5-4)

= -1/1

= -1

4 0
3 years ago
Simone raced 280 km from Perry to Medford and then idled back. If the round trip took 7 hours, what was Simone's average speed i
Gwar [14]

Answer:

80 KPH

Step-by-step explanation:

The total trip was 280*2 (the trip to perry and then to come back home)

divide this by the 7 hours it took him, and you get your answer. Enjoy!

6 0
3 years ago
Which is the equation of a hyperbola with directrices at x = ±3 and foci at (4, 0) and (−4, 0)?
photoshop1234 [79]

Answer:A. x squared over 16 minus y squared over 4 ...

Step-by-step explanation:

4 0
3 years ago
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