The circumference of the earth is approximately 131,000,000ft write this number in scientific notation and tell how you knew to use a positive or a negative exponent

Answers

Answer 1
Answer: U use a negative exponent to write a number smaller than 1, positive exponents are used to write numbers bigger than 1. clearly 131,000,000 is bigger than 1 so we use a postive exponent. there's always a decimal at the end of a whole number. and we move that decimal to the front where the fron value is more thnand one but less than 10. we move the decimal 8 places to the left and u get to 1.31X10^8
1.31 times 10 to the 8th power.

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yesterday priya successfully made 12 free throws today she made 150 as much how many successful free throws did prius make today

Answers

Answer:

Priya scored 18 free throws today.

Step-by-step explanation:

The complete question is

Yesterday, Priya successfully made 12 free throws. Today, she made 150% as many as yesterday. How many successful free throws did Priya make today?

We know that Priya scored 12 free throws yesterday.

Today, she made 150% as many as yesterday, this means that the number of free throws today is

150\%(12)=1.5(12)=18

Remember that the percentage is always divide by 100 to get the decimal expression.

Therefore, Priya scored 18 free throws today.

150-12=138

Uvuvgyyvvvy

How do I find the area of a scale drawing

Answers

Answer:

use the internet :D just type in what you need and look in images



Um help! how do I do this?

Answers

1/2 t-4(2+t)=20
1/2 t-8-4t=20
least common multiple=2
t-16-8t=40
-7t=40+16
-7t=56
t=56/-7=-8

Answer: t=-8

To check
-8/2 - 4(2-8)=-4-4(-6)=-4+24=20
You do it just exactly as the question says:  Take one choice,
substitute it in place of 't' in the given equation, and see if the
equation becomes a true statement.

I'll do 'A' for you:

Does 't' = 8 ? 
Let's see.
If it does, then             (1/2) (8)  -  4(2 + 8)  =  20

                                     (     4    )  -  4(  10  )  =  20

                                     (     4    )  -      40       =  20

                                                  -36               =  20 .

Is that a true statement ?     Is  -36 = 20  ?
I don't think so.
=>  't' is not 8 .     
      'A' is not the correct choice.

Now go ahead and try 'B'.
_________________________________

It might be faster and easier to just take the equation and solve it.
Then you'll know what 't' is, and you won't have to try any suggestions.

Here's the equation:              (1/2) (t) - 4(2 + t)  =  20

Eliminate parentheses
on the left side:                        1/2 t    - 8 - 4t  =  20

Combine the 't's
on the left side:                        -3.5 t  -  8        =  20

Add  8  to each side:               -3.5 t               =  28

Multiply each side by  -1 :         3.5 t               = -28

Divide each side by  3.5 :               t               = - 8 .

Now you can look back at the choices
and see that 'B' is the one you want.       

What’s the relationship between rational numbers and irrational

Answers

Answer:

Rational number can be represented as fraction which has prime numerator and denominator. Rational numbers are either limited or the pattern after some decimals repeats forever. For example

9/7=1.285714285714285714. As you see the pattern repeats limitless. Though Rational numbers can be limited Irrational numbers are always endless.

Often this values/constants are found in geometry like π=3.14, e=2.718, also √2 and so on. Themaindifferencebetweenrationalandirrationalnumbersisthatrationalnumberscanberepresentedbyfraction.

What is the ratio for 11:25 in a fraction, decimal, and percent

Answers

11:25 in a fraction, decimal, and a percent:
11/25
0.44
44%
11/25
is fraction....________________________________________

What is the greatest common factor of 42 and 50

Answers

The GCF of 42 and 50 is: 2

List out the factors of the numbers given:

42: 1, 2, 3, 6, 7, 14, 21, 42

50: 1, 2, 5, 10, 25, 50

The common numbers between the two are 1 and 2, but the greatest number is 2, making it the greatest common factor.