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
faltersainse [42]
3 years ago
15

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0

Mathematics
1 answer:
horsena [70]3 years ago
6 0
X=-1
-1x2 + 5x-1 +7 = 0
-7+7 =0
0=0
You might be interested in
HELP ME!!! 25 POINTS!!
riadik2000 [5.3K]

Answer:

The total distance walked by Paulo is 3750 feet.

Step-by-step explanation:

Here the four points are<em> (-2,1) (-2,-7) (5,-7) (5,1)</em>

Moving from stop A to B, only the y coordinate changes,

the change is ,

=1-(-7) = 1+7 = 8 units

Moving from stop B to C, only the x coordinate changes,

the change is ,

=5-(-2) = 5+2 = 7 units

Moving from stop C to D, only the y coordinate changes,

the change is

=1-(-7) = 1+7 = 8 units

Moving from stop D to A, only the x coordinate changes,

the change is

=5-(-2) = 5+2 = 7 units

Thus, the total distance traveled is 8+7+8+7 = 30 units

It is given that <em>1 unit = 125 feet</em>

Thus, the total distance traveled is = (125)(30) = 3750 feet

The total distance walked by Paulo is 3750 feet.

3 0
3 years ago
What is the answer to 2(x+2)-3x &gt;-1 ?
kifflom [539]
2x+4-3x>-1

-x+4>-1

-x>-1-4

-x>-5

X<-5/-1

Hence x<5
3 0
2 years ago
Read 2 more answers
Evaluate 6+2-(-1)+(-8)
worty [1.4K]

Answer:

1

Step-by-step explanation:

9-8=1

7 0
3 years ago
Read 2 more answers
ANSWER ASAPPP PLSSS. ILL MARK BRAINLIEST TOO
nevsk [136]

Answer:

Step-by-step explanation:

11.04 = 10(1.02)^n

1.104 = 1.02^n

ln 1.104 = ln 1.02^n

ln 1.104 = n ln 1.02

n = ln 1.104/ ln 1.02

n = 4.99630409516

4.99 can be rounded to 5.

So a reasonable domain would be 0 ≤ x < 5

PART B)

f(0) = 10(1.02)^0

f(0) = 10(1)

f(0) = 10

The y-intercept represents the height of the plant when they began the experiment.

f(1) = 10(1.02)^1

f(1) = 10(1.02)

f(1) = 10.2

(1, 10.2)

f(5) = 10(1.02)^5

f(5) = 10(1.1040808)

f(5) = 11.040808

f(1)=10(1.02)^1

f(1)=10.2

Average rate= (fn2-fn1)/(n2-n1)

                     =11.04-10.2/(5-1)

                    =0.22

the average rate of change of the function f(n) from n = 1 to n = 5 is 0.22.  

3 0
3 years ago
Read 2 more answers
4(x-3)=2(3x+1) 2 solve for x
Katarina [22]
Hi there!

Th' Eqn. is :-

4 (x - 3) = 2 (3x + 1)

=> 4x - 12 = 2 (3x + 1)

=> 4x - 12 = 6x + 2

Combine th' like terms :-

=> 4x - 6x = 2 + 12

=> - 2x = 14

=> x = \dfrac {- 14}{2}

=> x = - 7

Hence, The required answer is : x = - 7

~ Hope it helps!
3 0
3 years ago
Other questions:
  • Solve the system by the elimination method.
    13·1 answer
  • Plssssssss help........
    12·2 answers
  • Please Help me solve for x<br> 3x-m=10
    13·2 answers
  • Help please! tyssssm!
    7·2 answers
  • If someone can pls give the answer with steps that would be greatly appreciated :)
    14·1 answer
  • Please help me out! Which one is it.
    14·1 answer
  • Perform the operation, Enter your answer in scientific notation.<br> 7 x 10² – 5.5 x 10²
    10·2 answers
  • Which expression does not have a solution of 9, if w = 4? 5 + w w + 5 13 - w 5 - w
    6·1 answer
  • Vlad the Impaler promotes many of his soldiers into generals (don't ask what happened to the past generals). Haley thinks the pr
    8·1 answer
  • The equation for the area of a circle is given.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!