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qaws [65]
3 years ago
10

Ms. Nellies has 2 pints of vinegar for her students to use in a science experiment. Each

Mathematics
1 answer:
goldfiish [28.3K]3 years ago
6 0

Answer:

incorrect; 2½ ÷ ¾ = 3⅓; 2½ ÷ ⅜ = 6⅔; six

Step-by-step explanation:

Assume that Trey's number line model is like the first one below.

That model is incorrect.

The distance from 0 to 1 has four tick marks, so each mark represents the fraction ¼.

Trey is jumping three of them (¾) at a time.

Trey's number line represents the expression

2½ ÷ ¾ = 3⅓

The correct number line model is the second one below.

It represents the expression

2½ ÷ ⅜ = 6⅔

Ms. Nellies has enough vinegar for six groups of students

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A number cubed is rolled. What is the probability that a one or six will be rolled
son4ous [18]

Answer: 1/3

Step-by-step explanation: Since there are six sides to a number cube, the total number of outcomes will be 6.

Since there are 2 favorable outcomes, rolling a 1 or a 6,

the probability of rolling a 1 or a 6 is 2/6 which reduces to 1/3.

6 0
3 years ago
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Help and explain I can't get this wrong
Alexxandr [17]
I'm assuming we're solving for x.

One property of a straight line is that the angles that make a straight line have to add up to 180 degrees.

Given this information, we know that 4x + 5 + 41 = 180
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4 0
3 years ago
What is the product? startfraction 2 y over y minus 3 endfraction divided by startfraction 4 y minus 12 over 2 y 6 endfraction t
Genrish500 [490]

The product of the expression \rm \dfrac{\dfrac{2y}{y-3} }{\dfrac{4y-12}{2y+6}}\\\\\\ is \rm \dfrac{(y^2+3y)}{(y^2-6y+9)}\\.

<h3>What is the product?</h3>

In mathematics, the term 'product' refers to the answer to a multiplication problem.

The product of the given expression is determined in the following steps given below.

\rm =\dfrac{\dfrac{2y}{y-3} }{\dfrac{4y-12}{2y+6}}\\\\\\=\dfrac{2y}{y-3}\times \dfrac{2y+6}{4y-12}\\\\= \dfrac{2y \times 2y + 2y \times 6}{y(4y-12)-3(4y-12)}\\\\=\dfrac{4y^2+12y}{4y^2-12y-12y+36}\\\\=\dfrac{4y^2+12y}{4y^2-24y+36}\\\\=\dfrac{4(y^2+3y)}{4(y^2-6y+9)}\\\\ =\dfrac{(y^2+3y)}{(y^2-6y+9)}\\

Hence, the product of the expression \rm \dfrac{\dfrac{2y}{y-3} }{\dfrac{4y-12}{2y+6}}\\\\\\ is \rm \dfrac{(y^2+3y)}{(y^2-6y+9)}\\.

To know more about the product click the link given below.

brainly.com/question/15029466

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2 years ago
Chan Hee bought 3.4 pounds of coffee that cost $6.95 per pound. How much money did he spend on coffee?
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That would be 3.4 * 6.95  =  $23.63   answer
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3 years ago
Factorization of 3x^2+21x​
ycow [4]

Answer:

3x(x+7)

Step-by-step explanation:

3 {x}^{2}  + 21x \\  = 3x(x + 7)

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