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
OverLord2011 [107]
3 years ago
15

I’m pretty sure it’s A? is that right? please answer, WILL MARK BRAINLY

Mathematics
2 answers:
Leviafan [203]3 years ago
6 0

Answer:

top most choice :

y = -2x-4

Step-by-step explanation:

recall that the general formula for a line in slope - intercept form is

y = mx + b,

where

b = y-intercept

m = slope

If we observe our graph, we can see that the line intersects the y-axis at y = -4. if we compare this to our general equation above, we can conclude that b must be -4.

Looking at our choices, the middle two choices has b = 4, hence we can ignore the two middle choices.

also recall, that if a line goes from bottom left to top right, the slope of the line is said to be positive , i.e m = positive

conversely, if the line goes from top left to bottom right, the slope of the line is said to be negative, i.e m = negative.

If we look at our graph, it is clear that the line goes from top left to bottom right, hence m is negative.

Only the top choice gives us a negative slope (i.e. m = -2)

Hence we can discard the last choice, leaving the top choice as the correct answer.

Serhud [2]3 years ago
3 0

Answer:

Its A

Step-by-step explanation:

Yes you are correct

You might be interested in
What is 765903 rounded to the nearest thousand
Dominik [7]
765,000 should be the correct answer
3 0
4 years ago
Read 2 more answers
the price of a technology stock was $9.53 yesterday. Today, the price rose to $9.66. Find the percentage increase. Round your an
galben [10]
So, 9.66 - 9.53 will then be 0.13, so if we take 9.66 to be the 100%, what is 0.13 off of it in percentage then?

\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
9.66&100\\
0.13&p
\end{array}\implies \cfrac{9.66}{0.13}=\cfrac{100}{p}\implies p=\cfrac{0.13\cdot 100}{9.66}
6 0
3 years ago
7) I am saving up for a video game. I currently have $28. If this is 30% of the
Snezhnost [94]

Answer:

93.3333333333 I think

7 0
3 years ago
A tank contains 10 liters of pure water. Saline solution with a variable concentration 5 grams of salt per liter is pumped into
algol [13]

Answer:

dQ(t)/dt = 20 - 2Q(t)/5 , Q(0) = 0

Step-by-step explanation:

The mass flow rate dQ(t)/dt = mass flowing in - mass flowing out

Since 5 g/L of salt is pumped in at a rate of 4 L/min, the mass flow in is thus 5 g/L × 4 L/min = 20 g/min.

Let Q(t) be the mass present at any time, t. The concentration at any time ,t is thus Q(t)/volume = Q(t)/10. Since water drains at a rate of 4 L/min, the mass flow out is thus, Q(t)/10 g/L × 4 L/min = 2Q(t)/5 g/min.

So, dQ(t)/dt = mass flowing in - mass flowing out

dQ(t)/dt = 20 g/min - 2Q(t)/5 g/min

Since the salt just begins to be pumped in, the initial mass of salt in the tank is zero. So Q(0) = 0

So, the initial value problem is thus

dQ(t)/dt = 20 - 2Q(t)/5 , Q(0) = 0

3 0
2 years ago
Select all the expressions that are solutions to 5=23x .
Ulleksa [173]
The answer would be c 5 divided by 2/3
4 0
3 years ago
Other questions:
  • What multiplication problem is modeled below? ​
    7·1 answer
  • Composite numbers are
    6·2 answers
  • The hypotenuse of a right triangle is 6 inches. if one leg is 4 ​inches, find the degree measure of each angle.
    7·1 answer
  • Plz I need help
    11·1 answer
  • Which of the following equations have exactly one solution?
    8·2 answers
  • What is the lateral area of the prism ?
    12·1 answer
  • No real numbers are irrational numbers
    11·2 answers
  • Find the volume of this cone.<br> Round to the nearest tenth.<br> 10ft<br> 6ft
    12·1 answer
  • Which function is not a linear function?
    8·1 answer
  • The following pentagon, ABCDE is rotated about the origin 90 counterclockwise. Select the new coordinates of C and E after the
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!