Diameter is 3.14961 inches what is the circumference

Answers

Answer 1

Answer: $d=3.14961\ in\n\nThe\ formula\ of\ the\ circumference:\n\nC=d\pi\n\nsubstitute:\n\nC=3.14961\pi\ in\approx9.89479\ in$

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Jim uses ribbon for bookmarks. Jim has 9 feet of ribbon. He uses 1/3 foot of ribbon to make each bookmark. What is the total number of ribbons Jim can make from 9 feet of ribbon?

Answers

Answer with explanation:

Total Length of Ribbon = 9 feet

Length of Ribbon used to make bookmark $=(1)/(3)$ foot

Total number of ribbons Jim can make from 9 feet of ribbon

$=\frac{\text{Total Length of Ribbon}}{\text{Length of ribbon used to make bookmark}}\n\n=(9)/((1)/(3))\n\n=9 * 3=27$

=27 Ribbons

there is 12 inches in a foot. 1/3 of a foot would be 4 inches

take 9 x 12 (Inches in a foot) = 108 and divide by four

the answer is 27. so he can get 27 ribbons out of 9 ft. of ribbon

Nina has 84 stickers. She wants to divide the stickers equally among 5 friends. How many stickers does each friend get? how many stickers are left over?

Answers

As per the concept of unitary method, each friend will get 16 stickers, and there will be 4 stickers left over.

The unitary method is a technique that helps to solve problems related to ratio and proportion. It is based on the concept of "per unit" or "per one". In this problem, we need to find out how many stickers each friend will get if we divide the total number of stickers equally among them. To do this, we can use the unitary method.

Find the total number of stickers divided by the number of friends

To divide the stickers equally among 5 friends, we need to find out how many stickers each friend will get. We can do this by dividing the total number of stickers (84) by the number of friends (5).

84 ÷ 5 = 16 with a remainder of 4

To know more about unitary method here

brainly.com/question/28276953

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The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number? x = –1 and x =

Answers

we have

$f(x)=x^(2)-2x-3$

Find the roots

Equate the function to zero

$x^(2)-2x-3=0$

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$x^(2)-2x=3$

Complete the square. Remember to balance the equation by adding the same constants to each side.

$x^(2)-2x+1=3+1$

$x^(2)-2x+1=4$

Rewrite as perfect squares

$(x-1)^(2)=4$

Square root both sides

$(x-1)=(+/-)2$

$x=1(+/-)2$

$x=1+2=3$

$x=1-2=-1$

therefore

the answer is

$x=3$

x^2 -2x -3 = 0

(x-3)(x+1)=0

x+1=0
x=-1

x-3=0
x = 3

so the missing number is 3

A family has three children. The oldest child is 4 years older than themiddle child, and the youngest child is 2 years younger than the
middle child. The sum of the ages of the children is 26.
R
How many years old is the youngest child?
years old
Q

Answers

Answer:6 years

Step-by-step explanation:

Given

A family has 3 children

Suppose the age of middle child is $x$

According to the question, Age of oldest child is $=x+4$

Eldest child age $=x-2$

Sum of the ages of children is $26$

$x+4+x+x-2=26$

$3x+2=26$

$3x=24$

$x=8$

Therefore age of youngest child is $x-2=8-2=6\ years$

10 glasses cost 40 dollars. How much do 20 glasses cost

Answers

To figure this out you would have to multiply 40 by 2 since the first problem is 10 and the next is 20. So the answer would be 80.

What is the slope of the line represented by the equation y=4/5x-3

Answers

The slope of the line is 4/5 if the equation of the line is y = 4x/5 - 3 the answer is 4/5.

What is the slope?

The ratio that y increase as x increases is the slope of a line. The slope of a line reflects how steep it is, but how much y increases as x increases. Anywhere on the line, the slope stays unchanged (the same).

$\rm m =(y_2-y_1)/(x_2-x_1)$