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Kryger [21]
3 years ago
14

What is the rate of $120 for 15 books written as a unit rate? thank u

Mathematics
1 answer:
Vikki [24]3 years ago
4 0

Answer:

1 book for 8 1/8

Step-by-step explanation:

120/15 simplify by dividing by 8 and get 1/8

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3.5 and 3 write a quadratic equation with each pair of values as roots
VLD [36.1K]

Hello from MrBillDoesMath!

Answer:  x^2 - 6.5x + 10.5 = 0

Discussion:

If the roots are 3 and 3.5, then the quadratic equation is

(x -3 ) ( x - 3.5) = 0

or

x * (x - 3.5) - 3 (x - 3.5) = 0

or

X^2 - 3.5X - 3X + 3(3.5) = 0

or

x^2 - 6.5x + 10.5 = 0



Thank you,

MrB

7 0
3 years ago
Find the 100th term in the following sequence: 2, 6, 10, 14...​
Nadusha1986 [10]

Answer

2,6,10,14,18,22

Step-by-step explanation:

add 4

4 0
3 years ago
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A dilation maps the point (24,36) to (16,24). The scale factor of the dilation is
Vika [28.1K]

Answer:

The scale factor of the dilation is 2/3

Step-by-step explanation:

point (24,36) to (16,24)

16/24 = 2/3

24/36 = 2/3

Answer

The scale factor of the dilation is 2/3

7 0
3 years ago
Suppose a 50-foot ladder is leaning against a wall. Which statements about the base of the ladder are true?
Liula [17]

Answer and Step-by-step explanation:

These are the statements that make the question complete:

A. If the base is 24 feet from the wall, the ladder reaches 45 feet up the wall.

B. If the base is 30 feet from the wall, the ladder reaches 40 feet up the wall.

C. If the base is 27 feet from the wall, the ladder reaches 44 feet up the wall.

D. If the base is 14 feet from the wall, the ladder reaches 48 feet up the wall.

Since the ladder leans against a wall, a right angle triangle is formed. Since the ladder is now slant, then it's length becomes the hypothenuse.

The correct statements can be gotten through Pythagoras theorem which says:

A² + B² = C² where C is the hypothenuse and A and B are the other two sides.

Since the hypothenuse is 50, we can test each statement by taking the square of the two sides and add them up, if they are equal to 50² = 2500, then the statement is true.

A. 24² + 45² = 576 + 2025 = 2601 ≠ 2500, therefore it is false.

B. 30² + 40² = 900 + 1600 = 2500, therefore it is true.

C. 27² + 44² = 729 + 1936 = 2665 ≠ 2500, therefore it is false

D. 14² + 48² = 196 + 2304 = 2500, therefore it is true.

From here, statements B and D are true while the rest are all false.

7 0
3 years ago
Estimate 31,969 divided by
kobusy [5.1K]

The quotient is approximately a little more than ...

... 32000/500 = 64

The actual quotient is 65 249/488 = 65.5102...

6 0
3 years ago
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