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Bumek [7]
3 years ago
5

On the blueprint of a house, 40 millimeters represents 6 meters. The length of the living room is 50 millimeters on the blueprin

t. What is the actual length of the living room?
Mathematics
1 answer:
Novay_Z [31]3 years ago
6 0

Answer:

Convert the meters to millimeters

1m = 1000mm

6m = 6000mm

40mm represents 6000mm

Find the scale factor

6000/40 = 150

This means 40 * 150 = 6000

Yup find what 50mm represents:

50 * 150 = 7500

7500mm

7.5m

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Martha is making 5 batches of cookies. Each batch uses 3/4 cup butter. How much butter does she need for all of her cookies?
inysia [295]

Answer:

3 1/2 cups butter

Step-by-step explanation:

Multiply the batches (5) by the amount of butter (3/4 cup)

5/1 * 3/4 = 5*3 = 15; 1*4 =4     15/4

Divide 15 by 4 to turn from improper fraction to mixed number:

15/4 = 3 and 2/4; reduce to 3 1/2

4 0
3 years ago
3a. Find the value of a.<br> Can you pls add work thank you for your time
Lisa [10]

Answer:

I think its 90°

Step-by-step explanation:

I dont know foe suee

4 0
3 years ago
Read 2 more answers
The difference between seven times a number and eight more than four times the number
Nookie1986 [14]

A difference is the result of a subtraction.

Call the number n.

"seven times a number": 7n

"eight more than four times the number": 4n + 8

"The difference between seven times a number and eight more than four times the number": 7n - (4n + 8)

Answer: 7n - (4n + 8)

3 0
3 years ago
Read 2 more answers
A bakery sells 10 peanut butter cookies for a total of $7.00. Find the unit rate​
mariarad [96]

Answer: $0.70 per cookie

Which is the same as saying 70 cents per cookie

=============================================================

Explanation:

The unit rate is the cost of one cookie. The term "unit" means "one".

10 cookies = 7 dollars

10/10 cookies = 7/10 dollars ...... divide both sides by 10

1 cookie = 0.70 dollars

Since one cookie costs $0.70, the unit rate is $0.70 per cookie or you can say 70 cents per cookie.

6 0
3 years ago
-16t squared + 16t + 480 t=time after jumping in seconds h=height in feet How many seconds did did it take her to hit the water
Agata [3.3K]
That is height
h=16t^2+16t+480
when h=0 is when it hits the water

0=16t^2+16t+480
undistribbute 16 for ease
0=16(t^2+t+30)
16*0=0 so assume
t^2+t+30=0
factor
(t+6)(t-5)=0
set to zero

t+6=0
minus 6
t=-6
false, since you cannot have negative time

t-5=0
add 5
t=5

at t=5 she hits the water


5 seconds
4 0
3 years ago
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