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Over [174]
3 years ago
13

Identifying Errors on a Number Line Find the product using the number line. 3(-6) = A number line going from negative 7 to posit

ive 3. An arrow goes from negative 6 to negative 4, from negative 4 to negative 2, and from negative 2 to 0. What error(s) are shown here? Select three options. The arrows should be a length of 2. The arrows should be a length of 6. The arrows should be pointing in the positive direction. The arrows should start at zero. The arrows should point in the negative direction.
Mathematics
2 answers:
Sliva [168]3 years ago
8 0

Answer:

the answer is every option besides the first one

Step-by-step explanation:

hoped that helped

Ipatiy [6.2K]3 years ago
8 0

Answer:

B - The arrows should be length of 6.

D - The arrows should start at zero.

E - The arrows should point in the negative direction

Step-by-step explanation:

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Match the real-world problem to its constant of proportionality.
Shtirlitz [24]

Answer:

a. $18.36 for 3 pizzas  :  k  = 6.12

b. $4.17 for 3 pounds of bananas .   k  = 1.39

c. $16.48 for 4 pounds of potatoes .  k  = 4.12

d. 2 cups of flour to make 24 cookie .  k  = 12

Step-by-step explanation:

PROPORTIONALITY:

Two quantities x and y are said to proportional to each other

if for x ∝ y , x = y k.

Here, k is called the PROPORTIONALITY CONSTANT.

⇒  x\propto y \implies  k = \frac{x}{y}

Now, for the given quantities:

a.  $18.36 for 3 pizzas [box]    

Here, k = \frac{18.36}{3}  = 6.12

So, the proportionality constant is 6.12.

b. $4.17 for 3 pounds of bananas [box]

Here, k = \frac{4.17}{3}  = 1.39

So, the proportionality constant is 1.39.

c. $16.48 for 4 pounds of potatoes [box]

Here, k = \frac{16.48}{4}  = 4.12

So, the proportionality constant is 4.12.

d. 2 cups of flour to make 24 cookies

Here,  k = \frac{24}{2}  = 12

So, the proportionality constant is 12

3 0
4 years ago
Suppose an electric-vehicle manufacturing company estimates that a driver who commutes 50 miles per day in a particular vehicle
Mariana [72]

Using the uniform distribution, it is found that the mathematical expression for the probability density function of battery recharging time for this scenario is given by:

f(x) = \frac{1}{40}, 70 \leq x \leq 110

f(x) = 0, elsewhere.

<h3>What is the uniform probability distribution?</h3>

It is a distribution with two bounds, a and b, in which each outcome is equally as likely.

The probability density function is:

f(x) = \frac{1}{b - a}, a \leq x \leq b

f(x) = 0, elsewhere.

In this problem, the actual recharging time required is uniformly distributed between 70 and 110 minutes, hence a = 70, b = 110, and the density function is:

f(x) = \frac{1}{40}, 70 \leq x \leq 110

f(x) = 0, elsewhere.

More can be learned about the uniform distribution at brainly.com/question/13889040

6 0
2 years ago
Which mathematical law or property is used to rewrite the following expression?
ra1l [238]
<h3>Answer: Commutative Property Of Addition</h3>

Explanation:

This property is where we have A+B = B+A. In other words, adding two numbers can be done in any order. This can be extended to more than two values also.

So, 4+6 = 6+4 since both sides result in 10.

Overall it leads to 2+(4+6) = 2+(6+4) being a true equation as well. Both sides simplify to 12.

3 0
2 years ago
Frank needs to fill juice cups for his little sister's birthday party. There are 35 juice cups and each juice cup holds 12 fluid
Cerrena [4.2K]
35 juices cups meaning there would be 420 fluid ounces. And 1 gallon =. 128 ounces. So frank would need to purchase approximately 3.28 bottles
3 0
3 years ago
Read 2 more answers
HELP ASAP with this question
mihalych1998 [28]
A, the student failed to distribute. In his step one, he got 3x + 2 =y, but it's actually 3x + 6 = y

I got this by distributing 3 to both x and 2, which is 3x and 6. 
8 0
3 years ago
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