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
irga5000 [103]
3 years ago
11

I need x+y=5 and y=2x-4solved algebraically

Mathematics
2 answers:
ipn [44]3 years ago
7 0
X=3, y=2 solved algebraicly
schepotkina [342]3 years ago
4 0

Answer:

x = 3; y = 2

Step-by-step explanation:

x + y = 5

y = 2x - 4

<em>Isolate the y in the first equation</em>

y = 5 - x

y = 2x - 4

<em>Substitute the values</em>

5 - x = 2x - 4

<em>Isolate the Variable</em>

9 = 3x

<em>Simplify</em>

3 = x

<em>Plug that into the first equation</em>

3 + y = 5

<em>Subtract 3 from both sides</em>

y = 2

You might be interested in
Question 8 Find the unit vector in the direction of (2,-3). Write your answer in component form. Do not approximate any numbers
slamgirl [31]

Answer:

The unit vector in component form is \hat{u} = \left(\frac{2}{\sqrt{13} },-\frac{3}{\sqrt{13}}  \right) or \hat{u} = \frac{2}{\sqrt{13}}\,i-\frac{3}{13}\,j.

Step-by-step explanation:

Let be \vec u = (2,-3), its unit vector is determined by following expression:

\hat {u} = \frac{\vec u}{\|\vec u \|}

Where \|\vec u \| is the norm of \vec u, which is found by Pythagorean Theorem:

\|\vec u\|=\sqrt{2^{2}+(-3)^{2}}

\|\vec u\| = \sqrt{13}

Then, the unit vector is:

\hat{u} = \frac{1}{\sqrt{13}} \cdot (2,-3)

\hat{u} = \left(\frac{2}{\sqrt{13} },-\frac{3}{\sqrt{13}}  \right)

The unit vector in component form is \hat{u} = \left(\frac{2}{\sqrt{13} },-\frac{3}{\sqrt{13}}  \right) or \hat{u} = \frac{2}{\sqrt{13}}\,i-\frac{3}{13}\,j.

6 0
3 years ago
About 3,500 different species of mosquitoes exist in the world if a mosquito traveled 10.8 miles at top speed in 99 hours, how f
Shalnov [3]
Depending upon the species, mosquitoes can fly at about 1 to 1.5 miles per hour.
7 0
3 years ago
16 3/7 −4 3/4 <br> subtract this fraction correctly and i will mark you brainliest
Ivan

Answer:

the nswer is 11.6785714286

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Mason invested $65,000 in an account paying an interest rate of 4.6% compounded
Advocard [28]

Answer:

t≈17

Step-by-step explanation:

8 0
3 years ago
Use the expression below to answer the question. Select all expressions that are equivalent.
lukranit [14]
Answers: All the expressions that are equivalent to -y -1 are A and E.
8 0
3 years ago
Other questions:
  • Blank x blank equal parts
    5·1 answer
  • 2. Point A is located at (-8, -3) on the coordinate grid. If it is
    5·1 answer
  • what is as big as an elephant but does not weigh as much as an elephant ill give a brainiest to the first correct answer
    5·2 answers
  • (04.07) The same amount of trash is dumped into a landfill every day. The function below shows the total number of tons of trash
    15·2 answers
  • Marlene rides her bike at a rate of 16 miles per hour. The time in hours that she rides is represented by the variable t, and th
    13·2 answers
  • Find the mean median and mode of 5, 9, 7, 12, 6, 4, 10, 8, 14, 9, 4
    15·1 answer
  • Solve for u.<br> Simplify your answer as much as possible.
    10·1 answer
  • If the directions were given to translate a shape (x+7, y-3) describe how the<br> shape would move.
    12·1 answer
  • Jada raised 60% of $20 goal. How much did she raise?
    10·2 answers
  • CONSTANT In the expression 5-3b​
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!