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3 years ago

Ethan bikes 13 more miles than thomas. The sum of Thomas's mileage and twice Ethan's mileage =83

Mathematics

1 answer:

stiv31 [10]3 years ago

6 0

83-13 = 70
70/2 = 35

Thomas’s mileage is 35 miles

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Three classes of school children are selling tickets to the school play. The number of tickets sold by these classes, and the nu

Westkost [7]

Answer:

The expression for the average number of tickets sold per school child is:

$M = \frac{tickets*class1 + tickets2*class2 + tickets3*class3}{class1 + class2 + class3}$

Step-by-step explanation:

The average number of tickets sold per school child is the weighted mean calculus between the number of tickets sold by these classes and the number of children in each classes.

This is the multiplication between the number of tickets sold by these classes and the number of children in each classes divided by the total weight(in this exercise, the total weight is the total number of school child).

So, the expression for the average number of tickets sold per school child is:

$M = \frac{tickets*class1 + tickets2*class2 + tickets3*class3}{class1 + class2 + class3}$

3 0

2 years ago

Solve for y<br> Pls it fast

Zigmanuir [339]

Answer: y = 6

<u>Step-by-step explanation:</u>

The small triangle MNO is similar to the big triangle LNP, which means their sides are proportional

$\text{Small}\triangle \quad \text{Big}\triangle \\\\\\\dfrac{MN}{ON}=\dfrac{LN}{PN}\\\\\\\dfrac{24}{y}=\dfrac{9+24}{6+y}\\\\\\24(6+y)=y(9+24)\\144+24y=33y\\\\144=9y\\\\\large\boxed{16=y}$

7 0

3 years ago

About 150,000 people live in a circular region with a population density of about

morpeh [17]

Area of a circle = pi x r^2

Area of circle = 150,000/ 1578 = 95.06 square miles

95.06 = 3.14 x r ^2

Divide both sides by 3.14

R^2 = 30.27

Find the square root:

R = sqrt(30.27)

R = 5.5

The radius is c) 5.5 miles

8 0

3 years ago

Please help me explain me this plsss!!!!

Ilya [14]

The anser is C for reasons of science ;)

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3 years ago

How many four digit numbers can be formed using the digits 7, 6, 5 and 2 if no

Ksju [112]

Answer:

Step-by-step explanation:

4! = 4*3*2*1 = 24

24 numbers can be formed

5 0

2 years ago