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Mashcka [7]
3 years ago
10

you buy 6 apples for 2.70. write an equation that can be used to express the relationship between the total price t and the numb

er of apples a you buy.
Mathematics
1 answer:
kipiarov [429]3 years ago
3 0

Answer:

t×2.70=6

Step-by-step explanation:

this is only applicable if the price of one apple each is t.

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It will take Adam four hours to drive to Disney Park, and 2.5 times less time if driving 45 mph faster. What is the distance Ada
Butoxors [25]
<h2>Hello!</h2>

The answer is:

The distance that Adam should cover to get to the park is 108 miles.

<h2>Why?</h2>

To solve the problem, we need to write two equations with the given information about the times and his speed.

So,

For the first equation we have: Going to Disney Park

time=4hours

Distance=v*4hours

For the second equation we have: Going back from Disnery Park

time=4hours-2.5hours=1.5hours

Speed=v+45mph

Distance=(v+45mph)*1.5hours

Now, if He covered the same distance going and coming back, we have:

v*4hours=(v+45mph)*1.5hours

v*4hours=v*1.5hours+45mph*1.5hours

v*4hours-v*1.5hours=45mph*1.5hours

v*2.5hours=67.5miles

v=\frac{67.5miles}{2.5hours}=27\frac{miles}{hour}=27mph

We have that the speed when Adam was going to Disney Park was 27 mph.

Therefore, to calculate the distance, we need to substitute the obtained speed in any of the two first equations.

Then, substituting the speed into the first equation, we have:

Distance=v*4hours\\Distance=27mph*4hours=108miles

Hence, we have that the distance that Adam should cover to get to the park is 108 miles.

Havea nice day!

6 0
3 years ago
A substance has a half-life of 6 years. If 20 pounds are present initially, how much will remain after 2 years?
Vladimir [108]

Answer:

16.66pound

Step-by-step explanation:

roughly 16.66 pound

if in 6 years it become half which is =10

then 10÷6= 1.67

then 1.67 pound is decayed every year.

in 2 years it decay 1.67×2= 3.34

so , the remaining is 20-3.34=16.66pound

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All you have to do in this problem is just find the pattern in the sequence. So like how did you get from 1 to 2. Then you continue to ask the question again like how did you get from 2 to 4.
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3 years ago
Find the measure of 14x+7+44+9x+3=180?​
IRISSAK [1]

Answer:

X = 40

Step-by-step explanation:

3 0
3 years ago
Brittany spins the two spinners pictured below. How many outcomes are in the sample space?
ddd [48]
It is not 7 it is 12. 3x4 = 12
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