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
dolphi86 [110]
3 years ago
9

F(x)=2x -7, What is x when f(x)=-15?

Mathematics
1 answer:
OverLord2011 [107]3 years ago
6 0

Answer:

x = -4

Step-by-step explanation:

Plug in -15 into the equation:

f(x) = 2x - 7

-15 = 2x - 7

Solve for x:

-15 = 2x - 7

-8 = 2x

-4 = x

You might be interested in
A right triangle is removed from a rectangle to create the shaded region shown below. Find the area of the shaded region. Be sur
Mashcka [7]
The sides of a right triangle are
a=8-5=3
\\ b=6-4=2
\\
\\A=A_{rectangle}-A_{triangle}=8\times 6-  \frac{ab}{2} =48-\frac{3\times2}{2}=48-3=45
7 0
3 years ago
Read 2 more answers
Urgent Question, 50 points and will mark brainliest.
lbvjy [14]

A key feature is there is a constant y-value level between x values from 0 to 15 and there is a parabolic curve from x-values of 15 to 65. The vertex is at (3, 45)

<h3>How to get the relationship between graphs?</h3>

A) This is a parabolic graph and from the graph, we see that, the y-values remain the same from x-values of 0 to 15. Thereafter the x-values increases with a corresponding decrease in y-values until the vertex point before increase in x-values with corresponding increase in y-values.

A relationship could be: Battery percentage remains at the mark of 40 for the first 15 minutes of use. Thereafter, it begins to decrease parabolically until 45 minutes when it it is almost at 0 level and is charged before it starts to increase in a parabolic manner again for another 20 minutes when it increases linearly.

B) A key feature is there is a constant y-value level between x values from 0 to 15 and there is a parabolic curve from x-values of 15 to 65. The vertex is at (3, 45)

Read more about Graph relationships at; brainly.com/question/13060180

#SPJ1

3 0
2 years ago
circle centered at the origin has a radius of 5 units. The terminal side of an angle, θ, intercepts the circle in Quadrant IV at
astraxan [27]

Answer:

Step-by-step explanation:

x²+y² = 5²

3²+y² = 25

y² = 16

y = ±√16 = ±4

Since the terminal side is  in quadrant IV, y = -4

sinθ = -4/5

5 0
3 years ago
The science club is selling puzzles to raise money. The supplier charges a one-time fee of $55 for each order and $10 for each p
wariber [46]

I believe you can do 1,245 divided by 65 to find out how many puzzles they can buy I may be wrong :/

7 0
3 years ago
Find the inverse function of <br><br> y=x^5+9
ollegr [7]

Answer:

\sqrt[5]{x - 9}

Step-by-step explanation:

y=x^5+9

To find inverse function make x the subject, first:

y=x^5+9

y - 9 = x^5

x = \sqrt[5]{y - 9}

y^{-1}  = \sqrt[5]{x - 9}

so  inverse function of y=x^5+9 is  \sqrt[5]{x - 9}

3 0
2 years ago
Read 2 more answers
Other questions:
  • What is 20/40 as a decimal
    5·1 answer
  • A translation is applied to the rectangle formed by the points A(−2, 6) , B(2, 6) , C(2, 4) , and D(−2, 4) . The image is the re
    11·2 answers
  • What’s the correct answer for this question?
    14·1 answer
  • The acute angles of a right triangle are congruent. What are the three angle measures of the triangle?
    10·1 answer
  • Helen spent $30 for a clock and a sweater. the clock cost $18. what did the sweater cost?
    8·2 answers
  • Please help me with this asap
    7·1 answer
  • Including 16% sales tax an item cost 348. What is the original price?
    15·1 answer
  • If this trend continues, in which week will she give a 12-minute speech?
    14·1 answer
  • 2. Carlo, a school varsity player, has 32 table tennis ball and 16 table
    7·2 answers
  • What is the Mean Absolute Value?​
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!