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
velikii [3]
2 years ago
12

If x = 3 and y = 7 , evaluate the following expression: 20 − ( 3 y − 4 x )

Mathematics
2 answers:
xenn [34]2 years ago
6 0

Answer:

20-3(7)-4(3)

20-21-12

-13

Mariulka [41]2 years ago
4 0

Answer:

20 - (3(7) - 4(3)) = ?

20 - (21 - 12) = ?

20 - 9 = 11

You might be interested in
A box without a top is made from a rectangular piece of cardboard, with dimensions 27 centimeters by 18 centimeters, by cutting
GaryK [48]
By cutting each corner we have that the resulting dimensions are:
 27 - 2x
 18 - 2x
 Height = x
 Therefore, the volume of the box in terms of the variable x, is given by:
 V (x) = (x) * (27-2x) * (18-2x)
 Answer:
 
The volume of the box in terms of x is:
 
(27-x) (18-x) x
8 0
4 years ago
Read 2 more answers
Rewrite the radical in exponential form
Kamila [148]

\sqrt[4]{10v}    = \sqrt[4]{10}  \times  \sqrt[4]{v}
4 0
3 years ago
How does algebra affect how people can learn from each other?
pantera1 [17]

Algebra is Faster And Better Than “Basic” Math

Just as multiplying two by twelve is faster than counting to 24 or adding 2 twelve times, algebra helps us solve problems more quickly and easily than we could otherwise. Algebra also opens up whole new areas of life problems, such as graphing curves that cannot be solved with only foundational math skills.

3 0
3 years ago
Please please please help me with this assignment :)
Shtirlitz [24]

Answer:

$45.63

Step-by-step explanation:

50,145 cm^{3}  *  2.6 g/cm^3 = 130,377 g\\130,377 g = 130.377 kg\\130.377 kg * $0.35/kg = $45.63\\

or all together    

50,145 cm³  *  2.6 g/cm³ * 0.35/kg =  $45.63

6 0
3 years ago
The difference of the squares of two positive consecutive even integers is 84. Find the integers.
ziro4ka [17]

Answer:

The two integers are 20 and 22.

Step-by-step explanation:

Let x be the first integer.

(x+2)^{2}-x^{2} = 84\\x^{2} +4x+4-x^{2} = 84\\4x = 80\\x = 20

3 0
3 years ago
Other questions:
  • Which pair of angles are supplementary angles
    14·2 answers
  • . A fair number cube labeled 1, 2, 3, 4, 5, and 6 is rolled 100 times. About how many times would you expect the number 3 to app
    10·1 answer
  • PLZZ ANSWER THE QUESTION ​
    13·2 answers
  • I need help with this
    7·2 answers
  • From an 8- foot board, a carpenter sawed off one piece that was 2 3/4 feet long and another piece that was 3 1/2 feet long. How
    5·1 answer
  • Google says the answer is -6 but i have no idea how it got that<br> (-17) -4 +19 + (-4)
    12·1 answer
  • 50 points
    7·2 answers
  • Please help me ASAP.
    5·2 answers
  • What is the degree measure of z <br> A.29<br> B.39<br> C.68<br> D.41
    6·1 answer
  • FREE PTS! Whats your favorite animal?​
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!