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san4es73 [151]
3 years ago
5

A scale on a blueprint drawing of a house shows that 6 centimeters represents 3 meters. What number of centimeters on the bluepr

int represents an actual distance of 27 meters
Mathematics
1 answer:
Sedaia [141]3 years ago
4 0

Answer:

54

Step-by-step explanation:

27 divided by 3 = 9

9 times 6cm= 54cm

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Blizzard [7]

Answer 3x3.4

Step-by-step explanation:

8 0
2 years ago
What is the standard form of this function?<br> F(x) = -(x-4)^2 + 2
Marysya12 [62]

Answer:

f (x) = -2 (x + 6)^2 + 2

Step-by-step explanation:

f (x) = -2x^2 - 24x - 70 <--- divide out -2 out of the first two terms...

f (x) = -2 (x^2 + 12x) - 70 <-- divide the x coefficient by 2 and then square it, then add AND subtract it)  

f (x) = -2 (x^2 + 12x + (12/2)^2 - (12/2)^2) - 70  

f (x) = -2 (x^2 + 12x + 36 - 36) - 70 <--- distribute the -2 onto -36 to get it out of the brackets..  

f (x) = -2 (x^2 + 12x + 36) + 72 - 70 <-- combine constants and factor perfect square trinomial...  

f (x) = -2 (x + 6)^2 + 2 <-- standard form...

4 0
3 years ago
Read 2 more answers
The value of a car decreases about 7% percent each year after it is manufactured.The 2017 Honda Civic costs $19,540
Kitty [74]

Answer: a) , where 'A' is the value of car after 't' years.


b) $12446.784



Step-by-step explanation:


Given: A new car that sells for $21,000 depreciates (decreases in value) 16% each year.


Then a function that models the value of the car will be


, where 'P' is the selling price of car, 'r' is the rate of depreciation in decimal, 't' is the time in years and 'A' is the value of car after 't' years.


Thus after substituting given value, the function becomes




To find the value after 3 years, substitute t=3 in the above function.




Hence the value of car after 3 years=$12446.784



5 0
3 years ago
F) As a truck driver, Roland averages 400 miles every 6 hours of driving. How long will it take him to drive
liubo4ka [24]

Answer:

31.5 hours

Step-by-step explanation:

time * speed = distance

speed=400/6=66.67 miles per hour

2100/(400/6)=31.5 hours

6 0
3 years ago
Which of the following demonstrates the Distributive Property?
faust18 [17]
The first one is distributive property.
7 0
3 years ago
Read 2 more answers
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