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garik1379 [7]
3 years ago
5

The Kaibab Trail at the Grand Canyon begins at 7,000 feet above sea level. If you descend on the trail 4,500 feet to the Colorad

o River and then hike up 1,375 feet to a campsite, how many feet above sea level are you?
Mathematics
2 answers:
lutik1710 [3]3 years ago
7 0

Answer:

3875 feet above sea level

Ivanshal [37]3 years ago
3 0

Answer:

3875  feet

Step-by-step explanation:

We first start at 7,000 feet above sea level, we then descend 4,500 feet closer to the sea level, therefore:

7,000 - 4,500

==> 2,500

Then we go up 1,375 feet farther from the sea level, so:

2,500 + 1,375

==> 3,875

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Lauren makes bracelets using small beads. She uses
Rzqust [24]

Answer:

420

Step-by-step explanation:

She uses 60 beads per bracelet and is making 7 bracelets

7*60 = 420 beads total

7 0
3 years ago
In circle P, TN = 22.4 in.<br>What is the length of MP ?<br>MP = [1] in.​
Vlad1618 [11]

Answer:

Given: TN=22.4 inches

So MP is half that amount

22.4/2= 11.2

Step-by-step explanation:

8 0
3 years ago
Solve the logarithmic equation. Be sure to reject any value of x that is not in the domain of the original logarithmic expressio
Sidana [21]

9514 1404 393

Answer:

  x = 16/3

Step-by-step explanation:

a) The rewritten equation is ...

  \dfrac{x-2}{x+8}=\dfrac{x-1}{x+12}

__

b) The solution can be found as ...

  \dfrac{x-2}{x+8}-\dfrac{x-1}{x+12}=0\\\\(x-2)(x+12)-(x+8)(x-1)=0 \qquad\text{numerator of the difference}\\\\(x^2+10x-24)-(x^2+7x-8)=0\\\\3x-16=0\qquad\text{simplified}\\\\x=\dfrac{16}{3}\qquad\text{one solution}

The solution set is {16/3}.

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The applicable rule of logarithms is ...

  log(a) -log(b) = log(a/b)

8 0
3 years ago
Read 2 more answers
Lamy can paint 84 portraits in 6 weeks. at this rate , how many portraits can he paint in 2 weeks
lilavasa [31]

Answer:

28 portraits

Step-by-step explanation:

Let's first figure out how many portraits Lamy can paint in 1 week, which is his <u>unit rate</u>. To calculate this, we just have to divide the number of portraits he paints by the amount of time it takes him to paint them.

In this case, the former quantity is 84 portraits, and the latter quantity is 6 weeks, so his unit rate is \frac{84 \text \: portraits}{6 \text \: weeks} = 14 paintings per week.

Now, we know that in 1 week, Lamy can paint 14 portraits. Therefore, since this is a <u>directly proportional relationship</u>, all we have to do to find how many portraits he can paint is 2 weeks is double the unit rate. This is because in a directly proportional relationship, if you multiply one variable by a number, you have to multiply the other by the same number to maintain equality, and here we are multiplying weeks by 2 so we need to multiply paintings by 2 as well.

Thus, Lamy can paint 14 · 2 = 28 paintings in 2 weeks.

Hope this helps!

7 0
2 years ago
jamal calculated that it costs $0.43 per mile and $4.00 per day to operate his car. if jamal drive m miles over d days , which e
DaniilM [7]

Answer:

c = 4(d) + .43(m)

Step-by-step explanation:

We can test this by plugging in numbers for each of the variables. Let's say Jamal drove 5 miles over 2 days.

c = 4(2) + .43(5)

c = 8 + 2.15

c = $10.15

Have a nice day!

4 0
3 years ago
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