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
Vilka [71]
4 years ago
13

Ln x + ln (x + 1) = ln 56

Mathematics
1 answer:
Leni [432]4 years ago
3 0

Answer:

x=7

Step-by-step explanation:

ln x +ln(x+1)=ln 56

ln x(x+1)=ln 56

so x(x+1)=56

x^2+x-56=0

(x+8)(x-7)=0

x= -8 or x=7

and lnx,x>0

so x=7

You might be interested in
2) two florist purchased flower bouquets and vases at the same store. The first florist bought 2 flower bouquets and two vases f
Feliz [49]
Let
b---------> <span>the cost of one flower bouquet
</span>v-------->  <span>the cost of one vase.

we know that
2b+2v=12.50-----> </span>Multiplied by -1------------->-2b-2v=-12.50
8b+2v=29---------------------------------------------> 8b+2v=29
           I add the two equations                    ------------------------
                                                                        6b=16.50
b=2.75
2*2.75+2*v=12.50---------------> v=(12.50-5.5)/2---------> v=3.5

the answer is
the cost of one flower bouquet is $2.75
the cost of one vase is $3.5

7 0
3 years ago
I need help with #13 and #14 please
goldenfox [79]
U have to multiply and then divide it and find that scale
5 0
3 years ago
Please help solve the equation above.
Paladinen [302]

Answer:

x=12

Step-by-step explanation:

(9x-4)+(5x+16)=180

14x+12=180

     -12    -12

14x=168

then devide both sides by 14

x=12

8 0
3 years ago
Read 2 more answers
Please answer! I give brainliest when I can! It make my day :-) ASAP :-(
hjlf

Answer:

A=1/2h(7+11) or A=1/2h(77)

The area is dependent on the height and the height changes based on the length of both of the bases

Step-by-step explanation:

7 0
3 years ago
Help!!! I need the CORRECT ANSWER!
Crazy boy [7]

Answer:

<h2>second one in the top</h2>

.................

3 0
3 years ago
Other questions:
  • Consider the equation
    9·1 answer
  • PLS HELP SHOW ALL YOUR WORKING OUT AND THE CORRECT ANSWER WILL RECIEVE BRAINLIEST
    13·1 answer
  • How do you solve thus ? 8=8v-4(v+8)
    12·1 answer
  • How do you solve this?
    5·1 answer
  • How many yards are in 1 mile?<br><br> 1,760<br> 2,640<br> 52.8<br> 15,840
    9·2 answers
  • Three times a number is greater than -15 and less than 12.
    6·1 answer
  • What is the answer to 10lb 6oz- 7lb 11oz
    15·1 answer
  • Angle B measures 60°. What is the measure of the angle that is complementary to angle B? 30° 60° 120° 180°
    12·2 answers
  • What is the area of the triangle Please answer quick
    14·1 answer
  • Paige used 1 1/2 cups of flour and 1/4 cup of butter to make 12 muffins. How much flour and butter would palat
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!