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
SOVA2 [1]
3 years ago
8

Can SOMEONE PLEASE HELP ME I NEED HELP!!! Please I don’t get it!!!

Mathematics
2 answers:
wolverine [178]3 years ago
8 0

Step-by-step explanation:

4x + 3x = 42

7x = 42

x = 42/7 = 6 answer

anygoal [31]3 years ago
5 0

Step-by-step explanation:

JL would be the total length

The Sum of JK and KL would be equal to the value of JL

4x + 3x = 42

Finding x

7x = 42

x = 42/7

x = 6

Hence,

Value of x is 6

You might be interested in
Using a property of Logarithms Demonstrate that
Jlenok [28]

Answer:

Dividing logarithms is not the same as dividing the arguments of a logarithm.

Step-by-step explanation:

1) If we divide two logarithms then we'll find a value. This is not the same as dividing two arguments of the same base logarithms.

For example:

\\ \frac{ln3}{ln2}=1.58\neq ln \left ( \frac{3}{2} \right )= ln3-ln2=0.405

Then

\\ \frac{lnx}{lny}\neq ln \left ( \frac{x}{y} \right )= lnx-lny

2) Completing the table below to show it clearly:

4 0
4 years ago
Solve the given inequality :
tigry1 [53]

Answer:

x < -5  or  x = 1  or  2 < x < 3  or  x > 3

Step-by-step explanation:

Given <u>rational inequality</u>:

\dfrac{(x-1)^2(x-2)^3}{(x^2-5x+6)^2(x+5)}\geq 0

\textsf{Factor }(x^2-5x+6):

\implies x^2-2x-3x+6

\implies x(x-2)-3(x-2)

\implies (x-3)(x-2)

Therefore:

\dfrac{(x-1)^2(x-2)^3}{(x-3)^2(x-2)^2(x+5)}\geq 0

Find the roots by solving f(x) = 0  (set the numerator to zero):

\implies (x-1)^2(x-2)^3=0

\implies (x-1)^2=0\implies x=1

\implies (x-2)^3=0 \implies x=2

Find the restrictions by solving f(x) = <em>undefined  </em>(set the denominator to zero):

\implies (x-3)^2(x-2)^2(x+5)=0

\implies (x-3)^2=0 \implies x=3

\implies (x-2)^2=0 \implies x=2

\implies (x+5)=0 \implies x=-5

Create a sign chart, using closed dots for the <u>roots</u> and open dots for the <u>restrictions</u> (see attached).

Choose a test value for each region, including one to the left of all the critical values and one to the right of all the critical values.

Test values:  -6, 0, 1.5, 2.5, 4

For each test value, determine if the function is positive or negative:

f(-6)=\dfrac{(-6-1)^2(-6-2)^3}{(-6-3)^2(-6-2)^2(-6+5)}=\dfrac{(+)(-)}{(+)(+)(-)}=+

f(0)=\dfrac{(0-1)^2(0-2)^3}{(0-3)^2(0-2)^2(0+5)}=\dfrac{(+)(-)}{(+)(+)(+)}=-

f(1.5)=\dfrac{(1.5-1)^2(1.5-2)^3}{(1.5-3)^2(1.5-2)^2(1.5+5)}=\dfrac{(+)(-)}{(+)(+)(+)}=-

f(2.5)=\dfrac{(2.5-1)^2(2.5-2)^3}{(2.5-3)^2(2.5-2)^2(2.5+5)}=\dfrac{(+)(+)}{(+)(+)(+)}=+

f(4)=\dfrac{(4-1)^2(4-2)^3}{(4-3)^2(4-2)^2(4+5)}=\dfrac{(+)(+)}{(+)(+)(+)}=+

Record the results on the sign chart for each region (see attached).

As we need to find the values for which f(x) ≥ 0, shade the appropriate regions (zero or positive) on the sign chart (see attached).

Therefore, the solution set is:

x < -5  or  x = 1  or  2 < x < 3  or  x > 3

As interval notation:

(- \infty,-5) \cup x=1 \cup (2,3) \cup(3,\infty)

4 0
2 years ago
The mass of the sun is about 2×10expont 30 kilograms how many kilograms are in one metric ton
V125BC [204]
The answer is three jams. Mama
5 0
3 years ago
5 times the cube of x divided by 4 times x
arlik [135]

Answer:

5x^2/4

Step-by-step explanation:

5 times the cube of x divided by 4 times x

(5x^3)/4x=5x^2/4

3 0
3 years ago
Read 2 more answers
Hassan buys organic nuts priced at $55 from the grocery store. How much did she pay the cashier, if she received $25 in change?
Reil [10]

Answer:

$80

Step-by-step explanation:

x-55 =25

x=80

6 0
3 years ago
Other questions:
  • 88.27 rounded to the nearest one
    7·1 answer
  • Social health is one component of the health tringal what are the other two components​
    13·1 answer
  • Please help me on this ... thanks
    5·1 answer
  • In the accompanying diagram of circle O, chords AB and CD intersect at E. If AE = 4, EB = 9, and CE = 6, what is the length of E
    11·1 answer
  • G(x) = -5x + 2. need help fr
    5·1 answer
  • How do i figure out this equation 3(x+4)=-3
    8·1 answer
  • Question 4 || quick please
    14·1 answer
  • What is 7(x-3) Equal to
    14·2 answers
  • 1
    14·1 answer
  • Yo can i get a hand here just so i dont get it wrong
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!