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
bogdanovich [222]
3 years ago
9

X+2y=10 X+y=6 Using eliminations to solve each system

Mathematics
2 answers:
Svetllana [295]3 years ago
7 0

Answer:

x= 2

y=4

Just subtract by like numbers.

shusha [124]3 years ago
4 0

x + 2y = 10

x + y = 6

Both x's in the equation are equal. We want the x of the last equation to be negative so we can eliminate.

x + 2y = 10

-x - y = -6

Subtract.

y = 4

Now that we figured out y, we have to figure out x. Substitute y into one on the equations.

x + 4 = 6

x = 2

Now we figured out x. The answer is (2,4). I hope this helps! Let me know if I got anything wrong or if you need any more help with this problem.

You might be interested in
Almost all medical schools in the United States require students to take the Medical College Admission Test (MCAT). To estimate
Leviafan [203]

Answer:

Probability of having student's score between 505 and 515 is 0.36

Given that z-scores are rounded to two decimals using Standard Normal Distribution Table

Step-by-step explanation:

As we know from normal distribution: z(x) = (x - Mu)/SD

where x = targeted value; Mu = Mean of Normal Distribution; SD = Standard Deviation of Normal Distribution

Therefore using given data: Mu (Mean) = 510, SD = 10.4 we have z(x) by using z(x) = (x - Mu)/SD as under:

In our case, we have x = 505 & 515

Approach 1 using Standard Normal Distribution Table:

z for x=505: z(505) = (505-510)/10.4 gives us z(505) = -0.48

z for x=515: z(515) = (515-510)/10.4 gives us z(515) = 0.48

Afterwards using Normal Distribution Tables and rounding the values to two decimals we find the probabilities as under:

P(505) using z(505) = 0.32

Similarly we have:

P(515) using z(515) = 0.68

Now we may find the probability of student's score between 505 and 515 using:

P(505 < x < 515) = P(515)-P(505) = 0.68 - 0.32 = 0.36

PS: The standard normal distribution table is being attached for reference.

Approach 2 using Excel or Google Sheets:

P(x) = norm.dist(x,Mean,SD,Commutative)

P(505) = norm.dist(505,510,10.4,1)

P(515) = norm.dist(515,510,10.4,1)

Probability of student's score between 505 and 515= P(515) - P(505) = 0.36

Download pdf
6 0
3 years ago
If X = 2 centimeters, Y = 5 centimeters, and Z = 5 centimeters, what is the area of the object?
Elena L [17]

Answer:  35 cm^2

Step-by-step explanation:

<em>Area of trapezium = </em>

2X = 2 + 2 = 4 cm

2Z = 5 + 5 = 10 cm

Y = 5 cm

\dfrac{  \left( 4+10  \right)    }{ 2  }   \times  5

                 |

                 |--------> 35 cm^2

6 0
1 year ago
6. Fred is riding his bike in a race to earn money for a sick boy. Fred rides his bicycle at a top speed of 17 miles per hour. I
kogti [31]
17×4 is your answer.......
7 0
3 years ago
Read 2 more answers
How to set up inequalities
melamori03 [73]
X=any number



x is( greater than sign) (and then a line at the bottom of the greater or less than sign) x

it would be like this
x is greater than or equal to x
or
x is less than or equal to x
6 0
3 years ago
F(x)= 3x - 4x2 +6x and g(x)= 5x +2x2 – 3x. What is f(x) g(x)?
goldenfox [79]

f(x)g(x) = 9x² + 10x - 16

<u>Step-by-step explanation:</u>

Step 1:

Given f(x) = 3x - 4 × 2 + 6x and g(x) = 5x + 2 × 2 - 3x

f(x) = 9x - 8

g(x) = 2x + 4

f(x)g(x) = (9x - 8)(2x + 4)

= 18x² + 36x - 16x -32

= 18x² + 20x - 32

= 9x² + 10x - 16

7 0
3 years ago
Other questions:
  • PLEASE PLEASE PLEASE HELP ME WITH ALGEBRA 1 PLEASE!?!?!?!?!!!?!?!?!?!?! I WILL GIVE LOTS OF POINTS AND BRAINLEST PLEEEEEEEEEEEEE
    6·1 answer
  • Select "Rational" or "Irrational" to classify each number.
    15·2 answers
  • For Mr.Greene's wireless phone bill, 3 months costs $180. For 9 months, his Bill was $540. Which equation best represents the re
    12·2 answers
  • If a=3 and b= 8 what is the answer and how to solve b-3-3
    14·2 answers
  • Karen's city took a survey about a plan for a new park. Of the people surveyed, 380 liked the plan for the park and 120 did not.
    15·1 answer
  • Farmer frank is planting corn in a three-acre field.He will plant a total of 347 rows with 270 corn plants in each row.How many
    5·2 answers
  • A snack bar sells two sizes of drinks. A large drink is $5 and a small drink is $3. In one day, they sold 60 drinks for a total
    12·2 answers
  • Will give brainliest to whoever solves this for me!
    6·1 answer
  • What is the length of the missing leg?
    5·1 answer
  • Another math question ... I really dont understand this one so can somebody help?
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!