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
marta [7]
3 years ago
6

Please help me!!! Select all of the equations for which the solution is 20. A) n-4 B) 10n=20 C) n/5=4 D)7+n=13 Please wander imm

ediately!!!
Mathematics
1 answer:
Cerrena [4.2K]3 years ago
8 0
I'm guessing it is C because after you solve for n (you need to multiply the five over to isolate n), you get 20.
You might be interested in
What is the capacity of the cube in liters?
Yanka [14]
Capacity=L^3
=8×8×8
=512L
6 0
3 years ago
Read 2 more answers
For the functions f(x) = x^2+ 8x + 2 and g(x) = -5+9, find (f•g)(x)and (f.g)(-1).
Ne4ueva [31]

Answer:  (f·g)(x) = -5x³ - 31x² + 62x + 18

               (f·g)(-1) = -70

(fog)(x) = 25x² - 130x + 155

(fog)(-1) = 310

<u>Step-by-step explanation:</u>

f(x) = x² + 8x + 2          g(x) = -5x + 9

(f·g)(x) = (x² + 8x + 2)(-5x + 9)

          = -5x³ + 9x²

                    - 40x² + 72x

            <u>                    - 10x + 18</u>

          = -5x³ - 31x² + 62x + 18

(f·g)(-1)= -5(-1)³ - 31(-1)² + 62(-1) + 18

         =  -5(-1)  - 31(1)    - 62      + 18

         =    5     -   31      - 62      + 18

         =  -70

****************************************************************************************

(fog)(x) = (-5x + 9)² + 8(-5x + 9) + 2

           = 25x² - 90x + 81

                       - 40x + 72

              <u>                   +   2</u>

           = 25x² - 130x + 155

(fog)(-1) = 25(-1)² - 130(-1) + 155

            =   25    +  130    + 155

            = 310

<em>It wasn't clear if you wanted multiplication or composition so I solved both.</em>

6 0
3 years ago
During a big race, Jeff races his car at a rate of 125 miles per hour for 3.2 hours. What is the distance of the race?
olga nikolaevna [1]

Answer:

unoriginal presidential play insisting that the president is a little more aggressive and more aggressive 6PM to the

7 0
2 years ago
Read 2 more answers
At a competition with 6 runners, 2 medals are awarded for first and second
insens350 [35]

Answer:

30 ways

Step-by-step explanation:

The first medal can be awarded in 6 different ways since any of the runners could have it. Once the first medal is awarded, the second medal can only be given to any of the 5 runners available.

So there are 6x5=30 different ways to award the medals

3 0
3 years ago
The sophomore class is organizing a picnic and bought 1300 hot dogs and hamburgers for the event. The hotdogs cost $0.59 each an
Mamont248 [21]

0.59 h + 0.98 b = 1041.37 - 79.37

h + b = 1300

5 0
3 years ago
Other questions:
  • 2x squared plus negative 5 - 10 equals zero
    12·2 answers
  • Evaluate the function for x = 2: f(x) = 7x - 5
    5·2 answers
  • What is the greatest common factor for 9, 36, &amp; 189
    7·2 answers
  • which is a good comparison of the estimated sum and the actual sum of 7 10/12+2 11/12? Greater or lesser
    7·1 answer
  • Calculate the length of CD if the area of △BCD is 150 cm ²
    6·1 answer
  • What is the midpoint of 2,6 and 10,12
    12·2 answers
  • What is the domain of the square root function graphed below?
    8·1 answer
  • Help immediate i will mark you brainliest
    6·1 answer
  • Name the Solid.<br> What is the VOLUME of the solid?<br> Round to the nearest tenth if necessary.
    6·2 answers
  • Solve three fourths times two thirds(PLEASE i'M FAILING MATH!!!!!!!!!!!!!!!!!!)
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!