3 years ago

3x+2y=4 8x-3y=-6 solving systems of equations by substitution

Mathematics

1 answer:

Over [174]3 years ago

6 0

Answer:

x=0, y=2. (0, 2).

Step-by-step explanation:

3x+2y=4

8x-3y=-6

---------------

3(3x+2y)=3(4)

2(8x-3y)=2(-6)

-----------------------

9x+6y=12

16x-6y=-12

----------------

25x=0

x=0/25

x=0

3(0)+2y=4

0+2y=4

2y=4-0

2y=4

y=4/2

y=2

You might be interested in

The population of weights for men attending a local health club is normally distributed with a mean of 178-lbs and a standard de

V125BC [204]

Answer:

183.4286 lbs

Step-by-step explanation:

given that the population of weights for men attending a local health club is normally distributed with a mean of 178-lbs and a standard deviation of 25-lbs.

Total weight in the lift should not exceed 6420 lbs

No of persons limited = 35

Hence average weight of the person that should be below

$\frac{6420}{35} \\=183.4286$

If the average exceeds 183.4286 pounds then the elevator would be considered overloaded.

6 0

3 years ago

25 is 55% of what number

mart [117]

Answer:

45.45

Step-by-step explanation:

25 is 55% of What Number? - 25 is 55% of 45.45. 100% of 45.45 is 45.45, therefore 55 percent of 45.45 equals 25.

5 0

3 years ago

Read 2 more answers

Hattie could run 22 miles in 5 hours how many miles could she run i 6 hours

timofeeve [1]

Answer:

26.4

Step-by-step explanation:

7 0

4 years ago

Read 2 more answers

Help!! How do I solve this

tamaranim1 [39]

The answer for this question is Option B : 12.28

6 0

3 years ago

Read 2 more answers

Can someone pls answer this

SVEN [57.7K]

Answer:

1/6

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers