lauren wants to build a model airplane using a scale where 2 inches represents 15 feet. if the airplane is 75 feet long how many inches long should the model be?

Answers

Answer 1

Answer:

Answer:

Its 10

Step-by-step explanation:

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What is the answer? Pls helpp
250 + 200h = 300 + 180h250 + 200h = 300 + 180h − 180h − 180h 250 + 20h = 300 h = credit hours
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After school, Marcus can walk 1 mile to the library in about the same time he can bike 2.5 miles to the sporting goods store. His speed on the bike is 6 mi/h faster than his walking speed. what is Marcus' walking speed?

Answers

$d-distance\nt-time\nv-speed$

$d_1=1mile\nd_2=2.5miles\nt_1=t_2\nv_1+6=v_2\n\nv=(d)/(t)\to vt=d\to t=(d)/(v)\n\n(d_1)/(v_1)=(d_2)/(v_2)\n\n(1)/(v_1)=(2.5)/(v_1+6)\n\ncross\ multiply:\n2.5v_1=v_1+6\n2.5v_1-v_1=6\n1.5v_1=6\ \ \ \ \ /:1.5\nv_1=4\n\nAnswer:Marcus'\ walking\ speed\ is\ 4\ mph.$

A group of campers hiked for 5 3/4 hours today and 6 3/4 hours yesterday. How many hours did they hike in all?

Answers

First you can turn the fractions into improper fractions.
5 3/4 = 23/4 6 3/4= 27/4
Add numerators, denominators stay the same.
23 + 27= 50
50/4
You can either leave it or simplify
Simplified:
50/4 = 12 1/2
:)

Final answer:

The campers hiked for a total of 12 1/2 hours. This was calculated by adding the whole numbers and the fractions separately and then combining the results.

Explanation:

This problem is an example of addition of fractions. To find the total number of hours that the campers hiked, we add the hours for both days. They hiked for 5 3/4 hours today and 6 3/4 hours yesterday. We add these together by firstly adding the whole numbers together, 5+6 equals 11. Then, add the fraction part, 3/4 + 3/4, which is 1 1/2. Combining the whole numbers with the fraction's sums to 12 1/2 hours. Thus, the campers hiked for 12 hours and 30 minutes in total.

Learn more about Addition here:

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What's the answer ? .....

Answers

Answer:

B) 10m^3(m^3+2)

Step-by-step explanation:

Hope this helps

Answer: B.
Explanation: when you distribute 10m^3 and multiply it to just m^3, you add the exponents which would give you 10m^6 then 10m^3 multiplied by just 2 will give you 20m^3. Which all together will be the initial problem 10m^6+20m^3

Aaron is solving the equation x2 – x = –2 with the quadratic formula. What values should he use for a, b, and c?a = 1, b = –1, c = –2
a = –1, b = 1, c = –2
a = 1, b = –1, c = 2
a = –1, b = 1, c = 2

Answers

A = 1
B = -1
C = 2 is your answer if you solve the equation.

(And don't worry I didn't copy this person's answers. I just solved it out in my head that's all).

x² - x = -2
x² - x + 2 = 0

Comparing the given equation to Ax² + Bx + C = 0, we get,

A = 1
B = -1
C = 2

What is the equation for a geometric sentence?(4, 12, 36, 108...)
(36, 18, 9, 9/2...)
(-2, 20, -200, 2000...)

Answers

1) 12/4 =3
2) 18/36 = 1/2
3) 20/-2 =-10

8k-1=15 ? Help I have a question were we have to work this out what do I do?

Answers

$8k-1=15\ \ \ \ /+1\n\n8k-1+1=15+1\n\n8k=16\ \ \ \ /:8\n\n8k:8=16:8\n\nk=2$

you have to add 1 to the -1 and you will get 0.What you have to do next is also add 1 to 15 because you want a variable on one side and a number on the other.So now you have 8k=16. So you divide 8 to 8k and you get nothing divide 8 and 16 and your answer for k =2 hope you get it right.trust mw it is very easy when you get use to it

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