2+2+3^19+(63/3) how come math is tiring me but science isn't

Answers

Answer 1
Answer:

Answer:

Can you explain this more

Step-by-step explanation:

Answer 2
Answer:

2+2=4

3^19 = 1162261467

63/3 = 21

21+4=25

1162261467+25=1162261492


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Find an equation of the line that has a y intercept of -2 and is perpendicular to the graph of the line x-2y=5.

Answers

Y= -2x-2 is perpendicular

the area of a rectangular patio is 5 5/8 square yards, and its length is 1 1/2 yards. what is the patio's width, in yards?

Answers

The formula for area of a rectangle is length times width.

A = L x W

5 5/8 = 4.5  x W

Hint: 1/2 yard = 3 feet divided by 2 = 1 1//2 feet

5 5/8 divided by 4.5 = 4.5 x W divided by 4.5

5 5/8 divided by 4.5 = W

Now, convert both fractions to eights, and divide.

 

Haru needs to be at school at 8:15.If it takes him 20 minutes to walk to school,15 minutes to eat breakfast,and 12 minutes to get dressed and brush his hair,what time should he get up?

Answers

Answer:

7:28

Step-by-step explanation:

If you want to estimate, 7:30.

20 + 15 + 12= 47 minutes

If it takes him 47 minutes to get ready, then 47 minutes away from 8:15 is 7:28.

solve the following system of equations, express your answer with an orderd pair in the format, no spaces between the numbers or symbols 3x+4y=16 -4x-3y=-19

Answers

Answer:

Step-by-step explanation:

(4,1)

The radius of a circle is 15 feet. What is the angle measure of an arc π feet long?

Answers

Answer:

9.144 arc feet long

Step-by-step explanation:

i just used a calculator

What is 50% of 20 in a fraction?

Answers

50% of 20 is 10, because it's half of 20.
So the fraction of a whole number is over 1,
it's 10/1
50\%\cdot20=0.5\cdot20=10=(10)/(1)