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kirill [66]
3 years ago
10

Tim has a large collection of books. The number of paperback books he own is 3 times less than 4 times the amount of hardcover b

ooks. In total, Tim has 447 books. How many hardcover books does Tim have?
Mathematics
2 answers:
SSSSS [86.1K]3 years ago
7 0

Answer:

Tim has 90 hardcover books

lbvjy [14]3 years ago
5 0

13

Step-by-step explanation:

because if you multiply 3 times 2. to get 5 then multiply 5 and 4 to get 20 then 447 divided by 20 to get 13

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What is the value of the underlined digit in 16,403
Ilia_Sergeevich [38]
If the 1 were underlined it would be 10,000
If the 6 were underlined it would be 6,000
If the 4 were underlined it would be 400
If the 0 were underlined it would be 0
If the 3 were underlined it would be 3

8 0
3 years ago
Expand the number 1120 into its corresponding exponential form. 25 · 5 · 7 52 · 8 22 · 53 · 7 2 · 5 · 7
Eduardwww [97]

Answer:

(A) 2^{5} * 5 * 7

Step-by-step explanation:

Your question formatting made it very complicated to understand the possible answers.  Please use some notation or the equation editor next time.

So, the exponential form a way to write a number using multiplications and powers.

Let's examine the various options (if I read them correctly)

(A) 2^{5} * 5 * 7 - YES!

2^{5} is 32, so 32 * 5 * 7 = 160 * 7 = 1120

(B) 5² · 8  - NO

= 25 * 8 = 200

(C) 2² * 5³ * 7 - NO

= 4 * 125 * 7 =500 * 7 = 3500

(D) 2 · 5 · 7 - NO

= 10 * 7 = 70

5 0
3 years ago
It took Shane 2 hours to drive 120 miles. If she continues at this rate, how far will she travel in 4 hours and 30 minutes?
vodomira [7]

Answer:

270 miles

Step-by-step explanation:

If she drove 120 miles in 2 hours, that means she drives at 60 miles per hour. 4 hours and 30 minutes can be seen as 4.5, since 30 minutes is half an hour. So then you multiply 60 by 4.5 and get 270.

6 0
2 years ago
A package of 4 pairs of insulated gloves costs $31.16. What is the unit price of the pairs of gloves?
mario62 [17]

Answer:

$7.79 per pair of gloves

Step-by-step explanation:

divide

31.16÷ 4 = 7.79

8 0
3 years ago
9.1k = 63.7 what does this equal
zheka24 [161]

Step-by-step explanation:

9.1k=64.7

Find k

64.7/9.1=7

Plug in 7

9.1(7)=64.7

Multiply 9.1 and 7=63.7

63.7=64.7

Divide

1.02 or 1 1/50

Hope that helps somewhat

5 0
3 years ago
Read 2 more answers
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