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crimeas [40]
3 years ago
7

A Book has 1257 digits in it page numbers. How many pages does the book have?

Mathematics
1 answer:
FrozenT [24]3 years ago
6 0
Each page from 10 to 99, inclusive (so total of 90 pages) needs two digits (for example page 12 needs two digits: 1 and 2); Each page from 100 to 200, inclusive (so total of 101 pages) needs three digits (for example page 123 needs three digits: 1, 2 and 3)
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A hot air balloon descends 15 feet each minute after having reached an altitude of 362 feet above the ground. What is the altitu
salantis [7]

Answer:

182 feet

Step-by-step explanation:

The equation that describes the motion of the hot air ballon is:

h(t) = h_0 - vt

where:

h_0 is the initial altitude

v is the rate of descend of the balloon

t is the time

The balloon starts from a height of

h_0 = 362 ft

and has a rate of descend of

v=15 ft/min

Therefore, after time

t = 12 min

Its altitude will be

h(12)=362 - (15)(12)=182 ft

8 0
3 years ago
Jasmine, Abby, and Amber had $865 altogether. Jasmine spent 2/5 of her money. Abby spent $40, and Amber spent twice as much as J
erastovalidia [21]

Answer:

288.333333333

Step-by-step explanation:

Me, personally am not great with math, but I can say you have to take $865 then take away $40 then decide how much they get apiece. to do that you must divide 865 from 3. afterwards you should take that number away from 865 remember that you are also taking away 40 then you have your final answer

6 0
3 years ago
Read 2 more answers
Which fraction shows a correct way to set up the slope formula for the line that passes through the points (4, -6) and (-2, 1)?
alexandr402 [8]
Y +6 = -7/6 (x-4)



Mark brainliest please


Hope this helps you
6 0
3 years ago
Read 2 more answers
Pete corporation produces bags of peanuts. It's fixed cost is $18,900. Each bag sells for $2.17 with a unit cost of $1.27. What
pentagon [3]

Answer:

in units: 18,900

in dollars: $ 41,013

Step-by-step explanation:

The break even point is the sales dollar amount or sales in unit at whichthe operating income of the firm equals to zero:\frac{Fixed\:Cost}{Contribution \:Margin} = Break\: Even\: Point_{units }

Where:

\frac{Contribution \: Margin}{Sales \: Revenue} = Contribution \: Margin \: Ratio

<em><u>Contribution margin:</u></em>

2.17 - 1.27 = 1 dollar per unit

Break even:

$18,900 fixed cost /  $1 per unit = 18,900 units

Then, in sales:

18,900 x $2.17 each = 41.013‬

break even point:

3 0
3 years ago
Read 2 more answers
A glass is
fenix001 [56]

Step-by-step explanation:

x=volume of the glass

(1/3)x+63=(5/8)x

63=(5/8)x-(1/3)x

63=(15/24)x-(8/24)x

63=(7/24)x

multiply both sides by 24/7

(24/7)(63)=(24/7)(7/24)x

216=x

216 cm3 is the volume (answer)

1/3 of 216 is 72

72+63=135

135/216=0.625=5/8

4 0
3 years ago
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