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
dexar [7]
3 years ago
8

Turn 3x+4y=8 into y = 8x − 20

Mathematics
1 answer:
masya89 [10]3 years ago
4 0

Answer:

Step-by-step explanation:

3x +4y= 8, where y =8x-20

3x + 4(8x - 20) =8

3x + 32x - 80 =8

3x +32x =8 +80

35x =88

x=88/35

x= 2.514

You might be interested in
Rule subtract 5 first term 94
MArishka [77]

Answer: 99

Step-by-step explanation:

7 0
4 years ago
Read 2 more answers
After reading 80\%80% of her e-mails in her inbox, Danette still has MM unread e-mails.
NARA [144]

Answer:   <em>The correct options are.....</em>

<em>A)   \frac{M}{1-0.8}   and</em>

<em>B)   5M</em>

Step-by-step explanation:

Suppose, the number of e-mails Danette had in her inbox before she started reading was X.

Percentage of read emails is 80%, so the number of read emails = (\frac{80}{100}*X)=0.8X

<u>Thus, the number of unread emails</u> = X-0.8X=X(1-0.8), <u>which is given as</u> M.

So, the equation will be........

X(1-0.8)=M\\ \\ \Rightarrow X=\frac{M}{1-0.8} (Answer: 1) \\ \\ \Rightarrow X=\frac{M}{0.2}\\ \\ \Rightarrow X=(\frac{1}{0.2})M=5M (Answer: 2)

Thus, the expressions which could represent the number of e-mails Danette had in her inbox before she started reading are:  \frac{M}{1-0.8} or 5M

3 0
4 years ago
Lin is trying to convince Andre that all circles are similar. Help her write a valid justification for why all circles are simil
matrenka [14]
I think Lin is trying to convince Andre that all circles are similar by saying all the circles are similar with math.
4 0
3 years ago
Graph y=-2x. Give the domain and range. Is the function dicrete or continou?.
Klio2033 [76]

Answer:

all real numbers

continuous function

Step-by-step explanation:

y = -2x is a straight line which extends infinitely in both directions

linear equations are continuous functions

8 0
2 years ago
PLEASE HELP ASAP!!! (No links)
marta [7]

Answer:

No it is not a solution

Step-by-step explanation:

To solve this, you should replace your (x,y) with (8,3)- 8 being your x value and 3 being your y value.

So this inequality, your y value is supposed to be bigger than the value of whatever 3x-4 equals.

So, your inequality should be 3>3(8)-4

3*8=24-4=20

So is 3>(greater than)20? No. Which then means that (8,3) is not a solution because it would make the inequality not true.

Hope this helps!

6 0
3 years ago
Other questions:
  • (I really need help)
    15·1 answer
  • Of the 45 U.S. presidents, 4 have been assassinated in office. What percent have been assassinated?
    9·2 answers
  • Use a calculator to find the perimeter of a quadrilateral with corners of A, B, C, and D to the nearest tenth?
    8·2 answers
  • Write the translation of point P 2,-9 to point P’ 0,-12
    6·2 answers
  • Evaluate the expression -434 + (-1.5)2
    7·1 answer
  • The diameter of a circle is 6inches . What is the circumference
    14·1 answer
  • 2 3/4 as a rational number?
    12·1 answer
  • What is the value of the 9 in the number 0.09432​
    10·1 answer
  • A middle school coach wrote down the time, in seconds, of her students’ 100-meter dash as shown in the table. Student Time -(sec
    10·1 answer
  • How many equal line segments are needed to make a line of 30 treianges
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!