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iVinArrow [24]
3 years ago
8

Brad reads his favorite book for 1 1/4 hours each day. If he has read the book for 22 1/2 hours so far, how many days has he rea

d it? Show how you know.
Mathematics
1 answer:
yan [13]3 years ago
8 0

Answer:

18 days

Step-by-step explanation:

1 1/4 hours each day and 22 1/2 hours so far, so we divide 22 1/2 by 1 1/4

22 1/2÷ 1 1/4

=45 ÷ 5

2 ÷4

= 45 ×4

2 ×5

= 9×2

= 18

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The total cost for 25 camp counselors
max2010maxim [7]

Answer:

$187.50 for shirts + The price for the hats.

Step-by-step explanation:

7.50 x 25 =the price for the shirts and 5 x K= the price for hats

K= how many camp counselors need hats.

in all add 187.50 and the price for the hats.

4 0
2 years ago
If you spend ​$99.79​, in how many ways can you receive change from a one hundred​-dollar ​bill?
MAXImum [283]

Answer:

3 different ways

Step-by-step explanation:

100 - 99.79 = 0.21

.21 = 2 dimes and 1 penny

.21 = 4 nickels and 1 penny

.21 = 1 dimes, 2 nickels and 1 penny

3 0
3 years ago
Please Help! I will give you the brainiest and a lot of points!
posledela

Answer:

1. 23/20 miles, 2. 7/20 miles

Step-by-step explanation:

1. Total distance = 3/4 + 2/5

= (3*5)/(4*5) + (2*4)/(5*4)

= 15/20 + 8/20

= 23/20

= 1 3/20 miles

2. Difference between walked miles and jogged miles = 3/4 - 2/5

= 15/20 - 8/20

= 7/20 miles

4 0
3 years ago
In order to make the expression below equivalent to ğ x + 6, which additional operation should be included in the
kakasveta [241]

Answer:

B

Step-by-step explanation:

5 0
3 years ago
Differentiate f and find the domain of f. (enter the domain in interval notation.)f(x) = ln(x2 − 12x)derivative f '(x) = 2x−12x2
guajiro [1.7K]
F(x) = ln(x² - 12x)
The derivative is
f'(x)= \frac{2x-12}{x^{2}-12x}

f(x) is undefined when x² - 12x = x(x - 12) = 0
That is, when x = 0 or x = 12.
Therefore the domain is (-∞, 0)∪(0,12)∪(12, ∞)

Answer:
The derivative is
f'(x) =  \frac{2x-12}{x^{2}-12x}
The domain is
(-∞, 0)∪(0, 12)∪(12,∞)



3 0
3 years ago
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