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
AysviL [449]
3 years ago
7

What are the solutions of x2=-5+8

Mathematics
1 answer:
AveGali [126]3 years ago
5 0

Answer:

x² = -5 + 8

x² = 3

x  = √3 ≈ 1.73

You might be interested in
Solve the system using substitution method <br> 3x+y=6<br> 2x-4y=10
Andreyy89
\left\{\begin{array}{ccc}3x+y=6&|-3x\\2x-4y=10\end{array}\right\\\\\left\{\begin{array}{ccc}y=6-3x\\2x-4y=10\end{array}\right\\\\substitute\ y=6-3x\ to\ the\ second\ equation\\\\2x-4(6-3x)=10\\\\2x-4\cdot6-4\cdot(-3x)=10\\\\2x-24+12x=10\\\\14x-24=10\ \ \ |+24\\\\14x=34\ \ \ \ |:14\\\\x=\dfrac{34}{14}\to x=\dfrac{17}{7}\\\\substitute\ the\ value\ of\ x\ to\ first\ equation\\\\y=6-3\cdot\dfrac{17}{7}=6-\dfrac{51}{7}=\dfrac{42}{7}-\dfrac{51}{7}=-\dfrac{9}{7}

\boxed{\left\{\begin{array}{ccc}x=\dfrac{17}{7}\\\\y=-\dfrac{9}{7}\end{array}\right}
5 0
3 years ago
Read 2 more answers
A 9,000-gallon silo of wheat is being drained at a rate of 500 gallons per hour. A 7,000-gallon silo of wheat is being filled at
netineya [11]

Answer:

Step-by-step explanation:

9000-500h=0+500h

h= 9 hours

5 0
2 years ago
I need math help please.
meriva

Answer:

B

Step-by-step explanation:

this is because 8*10= 80 and 80*6=480 so your <u><em>answer is 480</em></u>

8 0
3 years ago
Ron walks 0.5 mile on a track in 10 minutes. Stevie walks 0.25 mile on the track in 6 minutes find the unit rate for each walker
Firlakuza [10]

Answer:

Ron's speed = 3 miles/hour

Stevie's speed = 2.5 miles/hour

On comparing we see Ron is walking faster than Stevie.

Step-by-step explanation:

Given:

Ron takes 10 minutes to walk on a track to cover a distance of 0.5 miles

Stevie takes 6 minutes to walk on a track to cover a distance of 0.25 miles

To find their unit rates in mile per hour and choose the faster one.

Solution:

Unit rate in miles per hour signifies their speeds. Thus, we will find out their speeds.

Ron:

Distance= 0.5 miles

Time = 10 minutes = 10\ min\times \frac{1\ hr}{60\ min}=\frac{1}{6} hours

Speed = \frac{Distance}{Time}=\frac{0.5}{\frac{1}{6}}=0.5\times6=3\ miles/hour

Stevie

Distance = 0.25 miles

Time = 6 minutes = 6\ min\times \frac{1\ hr}{60\ min}=\frac{1}{10} hours

Speed = \frac{Distance}{Time}=\frac{0.25}{\frac{1}{10}}=0.25\times10=2.5\ miles/hour

Thus, we have

Ron's speed = 3 miles/hour

Stevie's speed = 2.5 miles/hour

On comparing we see Ron is walking faster than Stevie.

4 0
3 years ago
Why is 24.625 irrational
Katen [24]
Its not irrational............
7 0
3 years ago
Other questions:
  • Answer any of the following:
    8·1 answer
  • 2x + 2x + 2 = 4x + 2<br><br><br>PLEASE ANSWER ASAP! I'll send u 5 dollars ! but please hurry :(​
    5·1 answer
  • One of the solutions to x^2-2x-15=0 is x=-3. What is the other solution?
    8·2 answers
  • What's the answer to the question?
    8·1 answer
  • Which line is parallel to y=3/4x-3
    10·1 answer
  • Different shapes are drawn on cards and then the cards are placed in a bag.
    14·1 answer
  • What is the slope of the graph ? Leave your answer as a reduced fraction .
    15·1 answer
  • Giving brainliest to whoever answers this.
    14·1 answer
  • The probability distribution for a
    14·1 answer
  • SorryI forgot the screenshot the 1st time so here it is
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!