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Daniel [21]
3 years ago
5

the girls decided to go on a hike On the Sunny Oaks Forest Trails the girls want to hike as a group but they all walk at differe

nt speeds 5 girls walk 2.5 miles per hour 8 girls walk 3 miles per hour and two girls walk 3.8 miles per hour what is the average pace? * please take picture of work *
Mathematics
1 answer:
snow_tiger [21]3 years ago
5 0
The answer would be 4.1 as the average. (Sorry I could not take a picture of my work, but here's a brief explanation of how I did it. 1st I added all three numbers, 2.5, 3.8, and 3, then divide by 3 because there are 3 numbers to add, when done dividing, you should have your answer! (I did not do the work on paper, I did this in my mind seeing that you just add those 3 numbers then divide by 3)
 
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An isosceles triangle has a base of 4 and a height of x+3. If the area is 10, what is the value of x?
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3 years ago
PLEASE HELP
Usimov [2.4K]

Answer:

r\approx0.03\text{ or about $3\%$}

Step-by-step explanation:

The standard compound interest formula is given by:

\displaystyle A=P(1+\frac{r}{n})^{nt}

Where A is the amount afterwards, P is the principal, r is the rate, n is the times compounded per year, and t is the number of years.

Since we are compounding annually, n=1. Therefore:

\displaystyle  A = P (1+r)^{t}

Lester wants to invest $10,000. So, P=10,000.

He wants to earn $1000 interest. Therefore, our final amount should be 11000. So, A=11000.

And our timeframe is 3.3 years. So, t=3.3. Substituting these values, we get:

11000=10000(1+r)^{3.3}

Let’s solve for our rate r.

Divide both sides by 10000:

1.1=(1+r)^{3.3}

We can raise both sides to 1/3.3. So:

\displaystyle (1.1)^\frac{1}{3.3}=((1+r)^{3.3})^\frac{1}{3.3}

The right side will cancel:

\displaystyle r+1=(1.1)^\frac{1}{3.3}

So:

\displaystyle r=(1.1)^\frac{1}{3.3}-1

Use a calculator:

r\approx0.03

So, the annual rate of interest needs to be about 0.03 or 3% in order for Lester to earn his interest.

5 0
2 years ago
If g(x) = 10 - 2x then which of the following is the value of g(7)?
slega [8]

Answer:

g(7)= -4

Step-by-step explanation:

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10-14

=-4

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2 years ago
Please help me 10 points will give crown
Lubov Fominskaja [6]
A,d,b, and then c ,basically least to greatest
6 0
3 years ago
Read 2 more answers
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