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creativ13 [48]
3 years ago
7

If Becky reads at a rate of p pages per hour for a total of h hours, which of the following represents the total number of pages

that Becky reads?
Select one:
A. ph
B. ph
C. hp
D. ph
E. p + h
Mathematics
1 answer:
Elis [28]3 years ago
5 0

We are looking for the total number of pages Becky reads, which is dependent on how many hours she reads for. So, we should multiply the number of pages she reads by the number of hours.

The correct answer is p x h or h x p. As long as these two values are multiplied, there is no difference in the order of the values.

Hope this helps!! :)

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A school flag poll casts a 16 foot shadow on the lawn. A teacher stood at the shadows edge and measure the angle of elevation to
vovikov84 [41]

Answer:

30.1 feet.  

Step-by-step explanation:

We have been given that a school flag poll casts a 16 foot shadow on the lawn. A teacher stood at the shadows edge and measure the angle of elevation to the top of the poll at 62°. We are asked to find the height of the tall.

First of all, we will draw a diagram to represent our give scenario as shown in the attachment.

We can see that side length with 16 feet is adjacent side and height of the pole (h) is opposite side to angle of elevation.

We know that tangent relates opposite side of a right triangle to its adjacent side.

\text{tan}=\frac{\text{Opposite}}{\text{Adjacent}}

\text{tan}(62^{\circ})=\frac{h}{16}

h=16\cdot \text{tan}(62^{\circ})

h=16\cdot 1.880726465346

h=30.0916234\approx 30.1

Therefore, the poll is approximately 30.1 feet tall.

6 0
3 years ago
Expanding log functions<br> ㏒3 (3(x+1)(x+2))
Oksanka [162]
Log(ab)=log(a)+log(b)
log_a(a)=1
so

log_3(3(x+1)(x+2))=log_3(3)+log_3(x+1)+log(x+2)=1+log_3(x+1)+log_3(x+2)
6 0
3 years ago
Questio
Olenka [21]

Answer:

  d = -1/3, 0

Step-by-step explanation:

Subtract the constant on the left, take the square root, and solve from there.

  (6d +1)^2 + 12 = 13 . . . . given

  (6d +1)^2 = 1 . . . . . . . . . .subtract 12

  6d +1 = ±√1 . . . . . . . . . . take the square root

  6d = -1 ±1 . . . . . . . . . . . .subtract 1

  d = (-1 ±1)/6 . . . . . . . . . . divide by 6

  d = -1/3, 0

_____

Using a graphing calculator, it is often convenient to write the function so the solutions are at x-intercepts. Here, we can do that by subtracting 13 from both sides:

  f(x) = (6x+1)^ +12 -13

We want to solve this for f(x)=0. The solutions are -1/3 and 0, as above.

4 0
3 years ago
A group of 14 people, of which 8 are male and 6 are female is picking a four person committee. How many ways can they pick the f
Vesna [10]

Answer:

35 ways

Step-by-step explanation:

7×6×5×4. 7×6×5×4

--------------. = --------------. = 35

1x2×3×4. 1×2×3×4

4 0
3 years ago
Parker spends 1/4 of his earnings on rent and 1/6 of his earnings on entertainment
mote1985 [20]

Answer:

Cool

Step-by-step explanation:

3 0
3 years ago
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