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emmainna [20.7K]
2 years ago
13

Check all of the expressions that are equal to the one below. (-8). (4 + 6) O A. (6 + 4) • (8) B. (-8) • 4 + (-8) - 6 O C. (4+6)

• (-8) O D. (-8) • 4-(8) • 6​
Mathematics
1 answer:
olasank [31]2 years ago
6 0

Answer:

1 is, 2 is, 3 isn't, 4 isn't

Step-by-step explanation:

Some answers may not add up the same way!

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-12 = 4x + 1<br> solve<br> algebra
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Answer:

x=-\frac{13}{4}

Step-by-step explanation:

-12=4x+1\\4x=-12-1\\x=-\frac{13}{4}

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In 16 years, Ben will be 3 times as old as he is right now.
Luda [366]

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he is 8

Step-by-step explanation:

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3 years ago
Which expression is equivalent to the given expression? Assume the denominator does not equal zero. ​
MatroZZZ [7]

Answer:

B

Step-by-step explanation:

\dfrac{a^{m}}{a^{n}}=a^{m-n} \ if \ m > n\\\\\\&#10;\dfrac{a^{m}}{a^{n}}=\dfrac{1}{a^{n-m}} \ if \ n > m\\

\dfrac{16r^{6}z^{3}}{8r^{2}z^{6}}=\dfrac{2r^{6-2}}{z^{6-3}}\\\\&#10;=\dfrac{2r^{4}}{z^{3}}

4 0
2 years ago
Consider a fictitious company, Teslala, that produces a single type of electronic vehicle, Model Z. The demand for Model Z depen
grin007 [14]

The ratio X/Y for the fictitious company, Teslala, that produces a single type of electronic vehicle, Model Z is 10/pY.

<h3>What is a mathematical model?</h3>

A mathematical model is the model which is used to explain the any system, the effect of the components by study and estimate the functions of systems.

Consider a fictitious company, Teslala, that produces a single type of electronic vehicle, Model Z.

The demand for Model Z depends on the gasoline price (q) because customers tend to purchase an electronic vehicle as a substitute for vehicles that run on gasoline when the gasoline price increases.

The demand for Model Z is estimated as

D(p) = 180 + 10q - 4p

Here, <em>p</em> is the price of Model Z.

Consider the following two statements:

  • 1. When the average gasoline price q increases by $1, the revenue-maximizing price p" increases by $X.

D(p) = 180 + 10q - 4p\\D(p) = 180 + 10(q+1) - 4(p+X)

  • 2. When the average gasoline price q increases by $1, the demand at the revenue-maximizing price (i.e., D(p*)) increases by a factor of Y.

D(p)+Y = 180 + 10q - 4p\\(D(p)+Y) = 180 + 10(q+1) - 4(p+X)\\Y= 180 + 10(q+1) - 4(p+X)-D(p)\\

Put the value of demand at the revenue-maximizing price as,

Y= 180 + 10(q+1) - 4(p+X)-(180 + 10q - 4p)\\Y= 180 + 10q+10 - 4p-pX-180 - 10q + 4p\\Y= 10 -pX\\1=\dfrac{10}{Y}-\dfrac{pX}{Y}\\\dfrac{10}{Y}=\dfrac{pX}{Y}\\\dfrac{10}{pY}=\dfrac{X}{Y}

Thus, the ratio X/Y for the fictitious company, Teslala, that produces a single type of electronic vehicle, Model Z is 10/pY.

Learn more about the mathematical model here;

brainly.com/question/4960142

#SPJ1

5 0
2 years ago
X=1-2y how would you solve this?
Ivahew [28]

Answer:

You can't have a single answer.

Step-by-step explanation:

An indiviual equation can't be solved if it has 2 variables.

You can, however, graph it.

The line will create all the possible sets of answers for the problem.

5 0
2 years ago
Read 2 more answers
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