1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Travka [436]
3 years ago
5

Simplify to create an equivalent expression: -2r + 7(-2n - 3)

Mathematics
1 answer:
Andrew [12]3 years ago
4 0

Answer:

-14n - 2r - 21

Step-by-step explanation:

You might be interested in
Paul is making banana bread. The number of cups of bananas he uses is proportional to the number of loaves of bread. Paul uses 1
drek231 [11]

The equation that best represents the relationship between the number of loaves of bread which is denoted by b and the number of cups of bananas which is denoted by c is c = 2 1/4b.

We know that we need 11 ¼ cups of bananas is needed to make 5 loaves of bread.

We need to divide 11 ¼ to 5 which the answer is 2 ¼. The 2 ¼ represents how many cups is needed to make 1 loaf of bread.

7 0
3 years ago
Mark purchased a box of 20 sports cards at a garage sale. Five are baseball cards, 8 are football cards, 2 are basketball cards,
dezoksy [38]

Answer:

P(basketball)=0.1

Step-by-step explanation:

Probability is defined as the likelihood of an event occurring .

-The number of possible basketball cards is 2

-The total number of cards is 20

#Probability  that it will be a basketball card is calculated as:

P(basketball)=\frac{No \ of \ Basketball \ Successes}{No \ of \ events}\\\\=\frac{2}{20}\\\\=0.1

Hence, the probability of a basketball card is 0.1

3 0
3 years ago
Which fraction is equivalent to 58%
gizmo_the_mogwai [7]

Answer:

29/50

Step-by-step explanation:

Convert

8 0
4 years ago
Read 2 more answers
Hunter assumed he would only get 54
lys-0071 [83]

Answer:

Percent error is 44.4%

Step-by-step explanation:

Here, we want to get the percent error

From the question, prediction is 54 while actual value is 78

from the formula given;

Percent error = |prediction-actual|/actual * 100%

so we have

|54-78|/54 * 100%

= 24/54 * 100% = 44.4%

5 0
3 years ago
Can someone help me with #2? Please explain what you did.
Korvikt [17]
\bf 64x^6-27y^3\qquad 
\begin{cases}
64x^2\implies 2^6x^6\implies (2^2x^2)^3\implies (4x^2)^3\\
----------\\
27y^3\implies 3^3y^3\implies (3y)^3
\end{cases}
\\\\\\
(4x^2)^3-(3y)^3\\\\
-----------------------------\\\\
\textit{difference of cubes}
\\ \quad \\
a^3+b^3 = (a+b)(a^2-ab+b^2)\qquad
(a+b)(a^2-ab+b^2)= a^3+b^3 \\ \quad \\

a^3-b^3 = (a-b)(a^2+ab+b^2)\qquad
(a-b)(a^2+ab+b^2)= a^3-b^3\\\\
-----------------------------\\\\


\bf (4x^2-3y)[(4x^2)^2+(4x^2)(3y)+(3y)^2]
\\\\\\
(4x^2-3y)(16x^4+12x^2y+9y^2)
4 0
3 years ago
Other questions:
  • Two samples are randomly selected from each population. if a hypothesis test is​ performed, how should you interpret a decision
    5·1 answer
  • Maggie took one of her friends out to lunch. The lunches cost $20 and she paid 5% sales tax. If Maggie left a 10% tip on the $20
    11·1 answer
  • Which mathematical symbol to fill in the blank 7. /6 _ square root of 55
    10·1 answer
  • 24 oz.= Ib. Helpppppppp
    5·1 answer
  • Someone pls help I will mark brainliest
    11·1 answer
  • I really need help here. . . Please help me!
    14·1 answer
  • ????????????????????
    10·2 answers
  • Hey o again answer this ppl
    11·2 answers
  • Can you help me get the answer for this Q, please :)
    14·1 answer
  • woowowowwowoow meow lolololpoopoo howdylotofloveihateyuo whatislife ofofoofofofofofoo oofers emmememmeememmekhhkkhkhkkhkhkkhkh n
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!