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Norma-Jean [14]
3 years ago
12

An artist is painting a parallelogram with a base of 45 cm and a height of 34 cm. One tube of paint will cover 400 cm.

Mathematics
1 answer:
Verdich [7]3 years ago
5 0
This is the same question im wondering lol
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Is -9 a solution of -9f=90-f
Fantom [35]

Answer:

f = -11.25

Step-by-step explanation:

-9f = 90 - f

-8f = 90

f = 90 / -8

f = -11.25

6 0
3 years ago
I = prt
hodyreva [135]

Answer:

The amount  we need to invest is 500 muggle money.

Step-by-step explanation:

Amount needle to study at Hogwarts = A = 800 muggle money

Principle amount that we need to invest = P

Duration of investment = T = 5 years

Rate if simple interest = R = 12%

Simple interest =  S.I

A = S.I + P

800=\frac{P\times 12\times 5}{100}+P

800=0.6P+P

800=1.6P

P = \frac{800}{1.6}=500

The amount  we need to invest is 500 muggle money.

7 0
3 years ago
Can you find the area and explain how you got the area
rewona [7]

Answer:

102cm^2 - hope this helps

Step-by-step explanation:

find the area of the rectangle first in the middle

which equals 6 x 13 = 78cm^2

then find the traingles on the side

(6 x 4) / 2 = 12

there are 2 traingles so it would be 12 + 12 = 24

so all together the area would be 78 + 24 = 102cm ^2

3 0
2 years ago
A chemist is mixing a 50% salt solution with an 18% salt solution to make 40 L of a new solution that will contain 30% salt. How
Karolina [17]

Answer:

See below

Step-by-step explanation:

Sum of ingredients = sum of final solution

.50 x      where x =   50 percent amount    then 40 - x = 18% amount

.50 x    + .18(40 - x)   =   .30 ( 40 )

.50 x   + 7.2 - .18x  =   12

.32x  = 4.8

x = 15 L of 50%     25 liters of 18%

3 0
2 years ago
20,000 dollars at 10% compound annually for 20 years (20 payments of 1.1)
Firdavs [7]

That’s the same question I’m going to ask.

6 0
3 years ago
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