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Bad White [126]
2 years ago
10

The area of a square wall with side s is given by the formula a=s^2. find the area when s=7cm

Mathematics
1 answer:
nataly862011 [7]2 years ago
8 0
Hello 
a=s²  s = 7 cm
a = 7² 42cm²
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NARA [144]
27 times 27
7 times 2,401
1,000,000,000 divided by 10,000,000
390,625 divided by 5

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4 0
2 years ago
If y varies directly with x, with k=0.75,what is the value of y when x=12
erma4kov [3.2K]

Answer:

9

Step-by-step explanation:

y=x

y=kx

substitute k for 0.75 and x for 12 in the above equation

y=0.75×12

y=9

7 0
2 years ago
Help plz plz plz plz plzzz brainliest
RoseWind [281]

Answer: About 4

Step-by-step explanation:

16 divided by 3 2/3 is 4. decimal so round that and about 4 is you’re answer.

5 0
3 years ago
Read 2 more answers
Is -2x2y3z an expression or equation?
DochEvi [55]

Answer:

expression

Step-by-step explanation:

expressions DON'T have equal signs but equations do.

7 0
3 years ago
How can you convert the Heun’s Method into the Implicit Heun’s Method? Show an example
g100num [7]

Answer:

Heun's method is also known by its other name called Modified Euler methods. This method is used in computational or mathematical science.

Step-by-step explanation:

Euler method is the method that is also pronounced in two similar stages such as Runge- Kutta methods. This method has been named after Dr. Heun.

This method is used for the solution of ordinary differential equations with its given values. There is some method to calculate this method. The improved Runge Kutta methods are also called the Butcher tableau method, the other methods are also called the Ralston methods.

4 0
3 years ago
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