Area of 6m circle to the nearest tenth use 3.14 for pi.

Answers

Answer 1

Answer: The area of the circle would be 113.1.
Hope it helped!

Answer 2

Answer: A = πr²
A = (3.14)(6)²
A = (3.14)(36)
A = 113.04cm²

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Point-slope form of y=15x+325

Answers

Answer:

y−325=15⋅(x+0)

Step-by-step explanation:

Multiply: (6x - 1)(6x +1)

Answers

i’m not positive but i think it’s 36x^2 -1

Answer:

36x^2 -1

Step-by-step explanation:

6x times 6x= 36x^2

6x times 1= 6x

-1 times 6x= -6x

-1 times 1= -1

so, ...

36x^2+6x+(-6x)+(-1) = 36x^2 -1

. Maria spent 1\9of the money her grandparents gave her on an adventure book. She also spent 1/3 of the money on a bag of candy. What fraction of the payment has Maria spent?

Answers

Answer:

$(4)/(9)$

Step-by-step explanation:

The fraction of the money that Maria spent on an adventure book = $(1)/(9)$

The fraction of the money that Maria spent on a bag of candy = $(1)/(3)$

Now we have to find the total fraction of the money that Maria spent.

For that we have to add those 2 fractions together.

Let us solve now.

$( 1)/(9) +(1)/(3)$

$( 1)/(9) +(1*3)/(3*3)$

$(1)/(9) +(3)/(9)$

$(4)/(9)$

There fore, the fraction of the payment has Maria spent is $(4)/(9)$

Hope this helps you :-)

If you add 1/9 and 1/3, it becomes 1/9+3/9, which equals 4/9. thus, 4/9 of the money has been spent. hope it helps!!

Barb walked 1.3 miles to her friend's house and then 3/4 mile to the library. How far did Barb walk in all?

Answers

Answer:

1.78 miles

Step-by-step explanation:

3/4 = .75 of a mile + 1.3 = 1.78

The answer is 2.05.

you can make the fraction into a decimal, 3/4=0.75, then you just add 0.75 to 1.3.

Sam has a phone card that charges $1 to connect and $0.50 per minute. He also uses a cell phone that charges $3 to connect and $0.25 per minute. In how many minutes will calls made using the phone card and the cell phone cost the same?

Answers

i belive 8 min
1 + .50 = 1.50
1.50 2.00 2.50 3.00 3.50 4.00 4.50 5.00

3.25 3.50 3.75 4.0 4.25 4.50 4.75 5.0

ok,
Sam has a phone card that charges $1 to connect. If it is 50 cents a minute he would be able to call for 2mintues on this phone. His or her cell phone CHARGES $3 and it is 25cents per mintue. which would be.. 12mintues
OK SORRY IF IM INCORRECT BUT, IM IN MIDDLE SCHOOL DOING THIS!

If f(x) = 4 – x2 and g(x) = 6x, which expression is equivalent to (g – f)(3)

Answers

For this case we have the following functions:
$f (x) = 4 - x ^ 2 g (x) = 6x$
The first thing we must do is subtract both functions.
We have then:
$(g - f) (x) = g (x) - f (x)$
Substituting values we have:
$(g - f) (x) = (6x) - (4 - x ^ 2)$
Rewriting we have:
$(g - f) (x) = x ^ 2 + 6x - 4$
Then, we evaluate the function for x = 3.
We have then:
$(g - f) (3) = 3 ^ 2 + 6 (3) - 4$
Rewriting:
$(g - f) (3) = 9 + 18 - 4 (g - f) (3) = 23$
Answer:
An expression that is equivalent to (g - f) (3) is:
$(g - f) (3) = 23$