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vampirchik [111]

3 years ago

9

Quince menos que un numero

2 answers:

sukhopar [10]3 years ago

8 0

Answer:

14 xd xd xd

Step-by-step explanation:

xd xd xd

kozerog [31]3 years ago

3 0

Answer:

fifteen less than a number.

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Sixty percent of the runners who ran the marathon finished the race. If fifteen runners finished, then how many runners ran in t

ZanzabumX [31]

Let they be x

$\\ \rm\Rrightarrow 60\%\: of\:x=15$

$\\ \rm\Rrightarrow \dfrac{3}{5}x=15$

$\\ \rm\Rrightarrow x=15\times \dfrac{5}{3}$

$\\ \rm\Rrightarrow x=5(5)$

$\\ \rm\Rrightarrow x=25$

4 0

2 years ago

PLEASE HELP!! It takes Sheila 36 minutes to edit a commercial. How many commercials can

Anna007 [38]

Answer:

she can edit 4 commericals in 144 minutes.

Step-by-step explanation:

144 divided by 36 is 4

7 0

3 years ago

Read 2 more answers

Write a word sentences as an expression. A number x decreased by 3 is 5.

devlian [24]

Answer:

c: x-3=5

Step-by-step explanation:

what grade is this for?

hope this helps

6 0

3 years ago

An auto repair shop charges $36 per hour, plus the cost of replaced parts. Which of the following expressions can be used to cal

aivan3 [116]

Answer:

44h

Step-by-step explanation:

Auto repair shop Charge - $36

Replaced Parts - $8

Number of Hours - h

Formula to find the total cost

(Auto Repair Shop Charge + Replaced Parts) x Number of Hours

= (36 + 8) x h

= 44 x h

= 44h

3 0

2 years ago

The top of the Boulder Dam has an angle of elevation of 1.2 radians from a point on the Colorado River. Measuring the angle of e

Nana76 [90]

Answer:

382.925 feets

Step-by-step explanation:

The solution diagram is attached below :

Converting radian measurement to degree :

radian angle * 180/π = degree angle

1.2 * 180/π = 68.755°

0.9 * 180/π = 51.566°

Height of dam is h:

Using trigonometry :

Tan θ = opposite / Adjacent

Tan 68.755° = h / x

h = x Tan 68.755° - - - (1)

Tan 51.566° = h / (155+x)

h = (155+x) tan 51.566° - - - (2)

Equate (1) and (2)

x Tan 68.755 = (155+x) Tan 51.566

x Tan 68.755 = 155tan 51.566 + x tan 51.566

x Tan 68.755 = 195.32311 + x Tan 51.566

x Tan 68.755 - x Tan 51.566 = 195.32311

x(tan 68.755 - tan 51.566) = 195.32311

x * 1.3120110 = 195.32311

1.3120110x = 195.32311

x = 195.32311 / 1.3120110

x = 148.87307

Using :

h = x Tan 68.755

h = 148.87307 * tan(68.755)

h = 382.92539

h = 382.925 feets

5 0

3 years ago