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3 years ago

12

A ladder is sliding down a wall so that the distance between the top of the ladder and the floor is decreasing at a rate of 9 fe

et per second. How fast is the base of the ladder receding from the wall?

1 answer:

bixtya [17]3 years ago

4 0

Use Pythagorean theorm

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Which expressions are equivalent to x7? There may be more than one correct answer. Select all that apply. (x21)1/3 x^15/x^8 x^21

Viktor [21]

Answer:

x^15/x^8 = x^7

x^3⋅x^4 = x^7

(x^21)1/3 = x^7

Step-by-step explanation:

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3 years ago

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frutty [35]

It's the bottom left one

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3 years ago

carrie missed 12% of problems on coach Blanes Texas History test The test had a total of 125 problems did Carrie get correct on

denis-greek [22]

Answer:

110

Step-by-step explanation:

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3 years ago

What is 4 3/4 + 7/8 showing all work

Mekhanik [1.2K]

$4 \frac{3}{4} + \frac{7}{8}$

Convert mixed numbers to improper fractions

$= \frac{19}{4} + \frac{7}{8}$

Find de LCD for 4 and 8 :

Factor each denominator into its primes:

$4 = 2^2
$

$8 = 2^3$

Find the least common denominator $2^3 = 8$

Adjust fractions based on the LCD :

$\frac{19*2}{8} + \frac{7}{8}$

Since the denominators are equal , combine the fractions:

$\frac{2*19+7}{8}$

$\frac{38+7}{8}$

$= \frac{45}{8}$

Therefore:

Convert improper fractions to mixed numbers

$= 5 \frac{5}{8}$

hope this helps!

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3 years ago

What is the range of possible sizes for side ?<br> 6.0<br> 5.8

Alex17521 [72]

Answer:

5.8-6.0 range= 0.2

Step-by-step explanation:

The lowest is 5.8 and the highest is 6.0. Subtract the lowest from the highest.

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2 years ago

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