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vitfil [10]
2 years ago
7

Evaluate 18-2(10+8)/6 squared and please explain how you did it

Mathematics
1 answer:
ICE Princess25 [194]2 years ago
4 0

Answer: 12

Step-by-step explanation:

18−2(10+8)/6

=18−(2)(18)/6

=18−36/6

=18−6

=12

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A bookstore sold 25 books in 5 days. At this rate
Sonbull [250]

Answer:

20 days

Step-by-step explanation:

We multiply 25 by 4 to get 100, then multiply 5 by 4 to get 20.

5 0
2 years ago
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A train goes twice as fast downhill as it can go uphill, and 2/3 feet as fast uphill as it can go on level ground. If it goes 12
Yuri [45]

Answer:

0.5hrs

Step-by-step explanation:

Let the speed downhill be x,

Speed uphill is 0.5x. We are told than speed uphill is \frac{2}{3} the speed on flat ground. Therefore the speed on level ground will be \frac{0.5x}{2/3}=0.75x.

From this info, we can obtain the actual speed,v_g on level ground as:

x=120m/h\\0.75x=v_g\\\\\therefore v_g=\frac{0.75x \times 120m/h}{x}\\v_g=90m/h

speed, distance and time have the relation s=d/t so to obtain time to cover 45miles:

t=d/s\\=45/90\\=0.5h

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4 0
3 years ago
Which of the following equations could be used to solve for x in the triangle shown?
iVinArrow [24]

Answer:

a

Step-by-step explanation:

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7 0
2 years ago
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50 POINTS SHOW YOUR WORK
aliya0001 [1]

Answer:

The % growth rate is 15.8%.

Step-by-step explanation:

Let the function is given by f(w) = a(b)^{w}, where f(w) is the number of a specific product produced after w weeks.

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Now, it is also give that at w = 1, f(1) = 220.

So, from equation (1) we get,

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Now, b = 1 + r

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Therefore, the % growth rate is 0.15789 × 100% = 15.8% (Approx.)

8 0
2 years ago
Determine the value of the variable in the simplified expressions. What is the value of X? Gx+h^-3=1/g^6+1/h^3. X=_____. What is
swat32

Answer:

x=-6

y=4

Step-by-step explanation:

i just took the quiz

hope i could help

5 0
2 years ago
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