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skelet666 [1.2K]
2 years ago
15

PLEASE ANSWER ILLG IVE YOU BRAINLIEST

Mathematics
1 answer:
Yuri [45]2 years ago
6 0

Answer:

#1. 31.4 square units

Step-by-step explanation:

We are solving for the square units and also we are circumference formular

which is C = R x 2) (3.14)

R is 5 but in a case they don't give us the Radius and gives us the Diameter we decide the Diameter by 2 and we will get the radius.

Back to the problem

C = R x 2) (3.14)

C =  5 x 2 x 3.14

C = 10 x 3.14

C = 31.4  

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3. A restaurant bill of $350 was paid using $5 notes and $50 notes. The total number of
Sonbull [250]

The number of $5 notes is 10 and $50 notes is 6

Step-by-step explanation:

Let x be the number of $5 notes

and

y be the number of $50 notes

Then according to given statements

"The total number of notes used was 16."

x+y=16    Eqn 1

"A restaurant bill of $350 was paid using $5 notes and $50 notes."

5x+50y=350       Eqn 2

From\ Eqn\ 1\\x+y=16\\y=16-x\\Putting\ y=16-x\ in\ equation\ 2\\5x+50(16-x)=350\\5x+800-50x=350\\-45x+800=350\\Subtracting\ 800\ from\ both\ sides\\-45x+800-800=350-800\\-45x=-450\\Dividing\ both\ sides\ by\ -45\\\frac{-45x}{-45}=\frac{-450}{45}\\x=10

Putting x=10 in equation 1

10+y=16\\y=16-10\\y=6

So,

The number of $5 notes is 10 and $50 notes is 6

Keywords: Linear Equations, Variables

Learn more about linear equations at:

  • brainly.com/question/2385771
  • brainly.com/question/2386054

#LearnwithBrainly

3 0
3 years ago
What is the y-intercept of the line y + 11 = –2(x + 1.5)? y-intercept =
Lana71 [14]

y + 11 = –2(x + 1.5)

y=mx+b

multiply the bracket by -2

(-2)(x)=-2x

(-2)(1.5)=-3

y+11=-2x-3

move +11 to the other side

sign changes from +11 to -11

y+11-11=-2x-3-11

y=-2x-14

m is also the slope

b= y-intercept

Answer:

y-intercept=-14

6 0
2 years ago
5yr is how many days
Karolina [17]
There are 1,826 days in 5 yr. In relation to the leap year, there are 1826.25 days in 5 yrs. That is because there are really 365.25 days in a year (making every four years a leap year). So, when you multiply 365.25 by 5, you get 1826.25. 
6 0
2 years ago
Read 2 more answers
Macy wants to know if the number of words on a page in her grammar book is generally more than the number of words on a page in
dybincka [34]

yes, because there is a lot of variability in the grammar book data.

6 0
2 years ago
(-3.2) to the power of 0
stellarik [79]

Answer:

1

Step-by-step explanation:

5 0
3 years ago
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