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
belka [17]
3 years ago
12

Elimination method 10x-4y=-8 -5x+6y=10

Mathematics
1 answer:
AURORKA [14]3 years ago
4 0
Eliminate the x terms: Multiply the second equation by 2
-10x+12y=20

Add it to the first equation
10x-4y=-8
-10x+12y=20
——————-
0x+8y=12

y = 1.5

10x-4(1.5)=-8
10x = -2
x = -1/5
You might be interested in
Please Solve this answer 9c+4=-23
poizon [28]
-2.1111111111111111111111111111111111111111111111
6 0
3 years ago
Read 2 more answers
Which pair of numbers are equivalent? 0.65% and 65100.65% and 65 tenths 0.7 and 7% 0.7 and 7% 0.5 and 150.5 and 1 fifth 0.02 and
N76 [4]

Step-by-step explanation:

ekfdjisksox9xjfnskosidbd

6 0
3 years ago
Please help! <br><br> If f (x) = 1/9 x-2 what is f^-1(x)
saw5 [17]

Answer:

Its C or the 3rd option

(9x+2)

Step-by-step explanation:

You have to inverse the equation meaning do everything the opposite so for example, add the 2 to the other side of the equation

4 0
3 years ago
Determine the intercepts of the line.
Damm [24]
Y int.: (0,-1.2)
X int.: (-0.7,0)
6 0
3 years ago
A holiday meal cost 12.50 a person plus a delivery fee of $30 at we cater. The same meal cost $15 a person with no fee at Good E
4vir4ik [10]

Given :

A holiday meal cost 12.50 a person plus a delivery fee of $30 at we cater.

The same meal cost $15 a person with no fee at Good Eats.

To Find :

When does we cater become the better deal.

Solution :

Let , x is number of order .

Cost at cater , C = 12.5x + 30 .

Cost at Good Eats , G = 15x .

We need to find :

G > C

15x>12.5x + 30\\\\2.5x>30\\\\x>12

Therefore, after 12th order cater will be more value for money.

Hence, this is the required solution.

3 0
3 years ago
Other questions:
  • w trójkącie równoramiennym abc podstawa AB ma długość 10cm. Odcinek AD jest wysokością tego trójkąta. Wiedząć że |DB|=6cm,oblicz
    10·2 answers
  • Mr. smith baked 3 trays of 36 cookies. After they cooled he divided the cookies evenly into 4 bags. How many cookies did mr. smi
    14·2 answers
  • A book shows an enlarged photo of a carpenter bee. A carpenter bee is about 6×10^-3 m long. The photo is 13.5 cm long. About how
    12·1 answer
  • Express 25 to the power of 4x as a power of 5 in terms of x
    6·1 answer
  • In Exercise, find the derivative of the function.<br> y = ex - 4
    13·1 answer
  • Which equation shows the correct grouping symbols? A. (5 + 70) ÷ 5 × 2 = 30 B. 5 + 70 ÷ 5 × 2 = 30 C. 5 + (70 ÷ 5) × 2 = 30 D. 5
    10·1 answer
  • A teacher asked her students how many pets they own.Here are the results: 0,0,0,1,1,1,1,2,2,2,4,4,8 On a piece of paper, draw a
    5·2 answers
  • The equation for a circle is (x-2)2+(y+3)2=9, what is the center of the circle?​
    12·1 answer
  • . (4 + 5) +2 =4+(5+4) true or false
    12·1 answer
  • The formula for l in terms of p and r is
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!