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a_sh-v [17]
3 years ago
12

15 miles right can anyone help me, please

Mathematics
1 answer:
zalisa [80]3 years ago
8 0

Answer:

Yes, 15 miles.

Step-by-step explanation:

You need to use proportions. For example with biking:

\frac{48}{300} = \frac{b}{75}

Using cross products:

300b = 48(75)

300b = 3600

b = \frac{3600}{300} = 12

The same is true for running:

\frac{24}{240} = \frac{r}{30}

\frac{1}{10} = \frac{r}{30}

10r = 1(30)

10r = 30

r = 3

The total distance is the sum of these two:

d = b + r = 12 + 3 = 15

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Answer:

1x0

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Hope this helps! :) Please rate brainliest

7 0
3 years ago
Complete this activity. Mr. Home buys two quarts of ice cream, one carton of soda, and three sacks of cookies for a Sunday Schoo
makkiz [27]

Answer:

1300

Step-by-step explanation:

add 60x2+70+45x3

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4 0
3 years ago
George sold 18, 22, 26, 12, 25, 20, and 19 cars per month over the past seven months. He followed the steps below to determine t
Crazy boy [7]
<h2>Hello!</h2>

The answer is: George made his first mistake in Step 1.

<h2>Why?</h2>

Getting a result of 26 cars needed means that he didn't take in consideration the next month in the mean calculation.

We have information of the number of sold cars of the first seven months, but if he wants to calculate the number of cards he needs to have a mean of 24 sold cards next months, he should take in consideration an extra month (the eighth month).

Checking the mistake:

\frac{18 + 22 + 26 +12 + 25 +20 + 19 + x }{7}=24

\frac{18 + 22 + 26 +12 + 25 +20 + 19 + x }{7}=24\\x=26

So, it proves that he made a mistake by multiplying it into 7 and instead into 8

The correct answer would be:

\frac{18 + 22 + 26 +12 + 25 +20 + 19 + x }{8}=24\\x=50

He needed to include the eighth month in order to calculate how many cars he should sell next months in order to have a mean of 24 cars.

Have a nice day!

3 0
3 years ago
Read 2 more answers
Factor completely: a^n+a^(n+1)<br> 100 Points!
zlopas [31]

Answer:

  • a^n\left(1+a\right)

Step-by-step explanation:

Considering the expression

a^n+a^{\left(n+1\right)}

Steps

a^n+a^{n+1}

\mathrm{Apply\:exponent\:rule}:\quad \:a^{b+c}=a^ba^c

a^n+a^1a^n

\mathrm{Factor\:out\:common\:term\:}a^n

a^n\left(1+a\right)

Therefore, factoring  a^n+a^{\left(n+1\right)} will bring a^n\left(1+a\right).

Keywords: factor, expression

Learn more factoring from brainly.com/question/11994028

#learnwithBrainly

3 0
3 years ago
Read 2 more answers
Simplify the expression 5^8 x 5^3 Write your answer in exponent form.
djyliett [7]

Answer: 5^11

Step-by-step explanation:

If two exponents are being multiplied together, and they have the same base and different exponents then just add the exponents and let the base stay the same.

5^8 * 5^3 = 5^11

8 0
4 years ago
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