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
ELEN [110]
3 years ago
15

10x +2y = 64

Mathematics
1 answer:
Musya8 [376]3 years ago
5 0

Answer:

<h2>x = 4, y = 12 → (4, 12)</h2>

Step-by-step explanation:

\left\{\begin{array}{ccc}10x+2y=64&\text{multiply both sides by 2}\\3x-4y=-36\end{array}\right\\\underline{+\left\{\begin{array}{ccc}20x+4y=128\\3x-4y=-36\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad23x=92\qquad\text{divide both sides by 2}\\.\qquad x=4\\\\\text{put the value of x to the first equation:}\\\\10(4)+2y=64\\40+2y=64\qquad\text{subtract 40 from both sides}\\2y=24\qquad\text{divide both sides by 2}\\y=12

You might be interested in
GIVING BRAINLIEST!!!! Please help :(
mamaluj [8]
The answer is C) Multiply 4 by the difference of 10 and 3, then add 5
6 0
3 years ago
Jackie made $28 babysitting last week. Her brother Joe made only 86% as much as she did. How much did joe make?
Alex777 [14]
28X0.86 = 24.08, therefore Joe made $24.08
4 0
3 years ago
Read 2 more answers
I NEED HELP BEING TIMED
Paladinen [302]

Answer:

18

Step-by-step explanation:

there are 4 cups in a quart. 4*5 1/2=22

22-4=18

ez pz ;)

4 0
3 years ago
Need the answer please and thank you
klasskru [66]
Hi there,

There appears to be no question....
3 0
3 years ago
PLS I WILL GIVE BRAINLIEST
Nana76 [90]

Answer:

208 cm^2

Step-by-step explanation:

We can find the area of the net by adding up the area of each of the 6 rectangles that make up the net. Since two of each rectangle are the same, we only have to find the area of the 3 different sized rectangles and multiply each by 2.

Rectangle pairs are:

  • Left rectangle and right rectangle
  • Top rectangle and the rectangle above the bottom rectangle
  • Bottom rectangle and the rectangle surrounded by all for sides

Now, let's solve the question.

Left rectangle:

6 x 4 = 24, rectangle has area of 24 squared cm

Top rectangle:

6 x 8 = 48, rectangle has area of 48 squared cm

Bottom rectangle:

4 x 8 = 32, rectangle has area of 32 squared cm

Add up the areas:

(24 x 2) + (48 x 2) + (32 x 2) = 208

The rectangle has a surface area of 208 squared cm

4 0
3 years ago
Other questions:
  • 20 POINTS! The list shows the number of children who visited a city playground each day for two weeks.
    13·1 answer
  • A rectangular auditorium seats 1564 people. The number of seats in each row exceeds the number of rows by 12. Find the number of
    11·1 answer
  • When using fraction strips how do you know that two fractions are equivalent
    15·1 answer
  • Which expression is equivalent to 3*5*5*5*5*5*5
    8·2 answers
  • Can someone pls help me with this
    8·1 answer
  • Tell whether side lengths (45, 40, 30) form a right triangle.
    9·1 answer
  • HELP ASAP <br> IF YOU TAKE THE POINTS IM REPORTING U<br> QUESTION IN PIC
    5·2 answers
  • If f (n)= - 3n + 2, what is the value of f(12) ?
    11·2 answers
  • Monica invierte $500 en un banco que paga un 15% interés simple
    11·1 answer
  • Given: m/-3+10=-1; prove: m=33 , what are the reasons??
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!