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
Sergeeva-Olga [200]
3 years ago
12

How do you solve a linear equation by multiplying first, substitution, and adding or subtracting? Please show me the work. Use t

his system to show me:
2x + 2y = 240
x + y = 20

Mathematics
1 answer:
PolarNik [594]3 years ago
3 0
See the attached picture for solution:

You might be interested in
Pleaseeee helpppp I’m struggling
antoniya [11.8K]

Answer:

x = 9.367

Step-by-step explanation:

we have to use the sin formula so its

Sin = opp / hypotenuse

sin 42 = x / 14 <u>Multiply 14 from both side</u>

x = 14 sin 42

x = 9.367

8 0
3 years ago
In ALMN, the measure of ZN=90°, MN = 5 feet, and LM = 7-3 feet. Find the measure
Mazyrski [523]

Answer:43.2

Step-by-step explanation:

6 0
3 years ago
Please answer this question
Nikolay [14]

Answer:

number: 2

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Solve the following inequality and name two values that are part of the solution
antiseptic1488 [7]

Answer:

-7 < x

Name 2 values

0 and 10

Any number greater than -7 will work

Step-by-step explanation:

-4 < 2(x + 5)

Divide each side by 2

-4/2 < 2/2(x + 5)

-2 < (x + 5)

Subtract 5 from each side

-2-5 < x+5-5

-7 < x

Name 2 values

0 and 10

Any number greater than -7 will work

4 0
3 years ago
Read 2 more answers
The ratio of measures of two complementary angles is 4:5
Drupady [299]

Answer:

angles are 40 and 50

Step-by-step explanation:

let angles be 4x , 5x

4x + 5x = 90

x= 90 / 9

x= 10

angles are 4x , 5x

therefore angles are 40 , 50

6 0
4 years ago
Other questions:
  • Two friends, Hailey and Jenna bought two tickets to see a play at a local theater . Each ticket cost $17.25. Each friend donated
    8·1 answer
  • Help please hrhehdhdhdhdjjf
    13·2 answers
  • I have some coins, and 36 of them are pennies. The ratio of pennies to dimes is 1:3, and the ratio of dimes to nickels is 4:5. H
    6·1 answer
  • A parking space shaped like a parallelogram has a base of 18 feet and a height is 9 feet. A car parked in the space is 13 feet l
    8·2 answers
  • What is n-6=26-8 equal to?
    14·2 answers
  • CAN SOMEONE PLEASEEEE HELP MEEE <br> (please graph it for me) &lt;33
    6·1 answer
  • Four research teams each used a different method to collect data on how
    14·2 answers
  • 6.) Convert the following linear equation into slope-intercept form.<br><br> 4x + 3y = 9
    8·2 answers
  • Solve the quadratic equation by factoring. 2x2+24x+22=0
    9·1 answer
  • A shape on a flat picture surface that is defined by surrounding empty space is known as ________ shape.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!