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Murrr4er [49]
2 years ago
5

Find the value of x for which l||m.

Mathematics
1 answer:
AnnyKZ [126]2 years ago
5 0

Answer:

\Large\textnormal{B. \boxed{45}}

Step-by-step explanation:

To find the value of x, first you have to solve isolate it on one side of the equation.

First, rewrite the problem.

\displaystyle (2x-5)+95

Next, add & subtract numbers from left to right.

\displaystyle -5+95=90

\displaystyle 2x+90

Then, divide by 2 from both sides.

\displaystyle \frac{2x}{2}=\frac{90}{2}

Solve.

\displaystyle90\div2=45

As a result, the correct answer is B. 45.

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Find the area of a plane figure bounded by lines
natulia [17]

Answer: 4.5

<u>Step-by-step explanation:</u>

First, find the points of intersection by solving the system.

y = x² + 2x + 4

y = x + 6

Solve by substitution:

x² + 2x + 4 = x + 6   ⇒   x² + x - 2 = 0   ⇒   (x + 2)(x - 1) = 0   ⇒   x = -2, x = 1

Now, integrate from x = -2 to x = 1

\int\limits^1_2 {(x+6)-(x^{2}+2x+4) } \,    <em>the bottom of the integral is -2 </em>

= \int\limits^1_2 {x+6-x^{2}-2x-4 } \,

= \int\limits^1_2 {-x^{2}-x+2 } \,  

= \frac{-x^{3}}{3} - \frac{x^{2}}{2}+2x\int\limits^1_2 {} \,

= (\frac{-1^{3}}{3} - \frac{1^{2}}{2}+2(1)) - (\frac{-(-2)^{3}}{3} - \frac{(-2)^{2}}{2}+2(-2))

= (\frac{-1}{3} - \frac{1}{2} +2) - (\frac{8}{3} -\frac{4}{2} -4)

= \frac{-9}{3} + \frac{3}{2} +6

= -3 + 1.5 + 6

= 4.5


3 0
3 years ago
Cuanto es 4/5 de 55???????
Natalka [10]
Es 44. Esta página está en inglés, entonces nadie te va a responder la pregunta D=. Deberían de hacer una versión en español de esta página.
7 0
3 years ago
A customer at a department store has $45.75. How many neckties can the customer buy if each necktie costs $15.35?
Sveta_85 [38]

The customer can buy two neckties

5 0
3 years ago
Read 2 more answers
George bought a lawnmower which had a list price of $360. If he got a 20% discount on the purchase, how much did he pay for the
julia-pushkina [17]

Answer:

$288.00

Step-by-step explanation:

$360.00

-

20%

=$288.00

3 0
3 years ago
Please help on this one? :)<br> ive been trying to get an actual answer with reasoning for DAYS :(
DanielleElmas [232]

Answer:

b.  g(x)

Step-by-step explanation:

f(x) = (x-13)^4 -2

(x-13)^4 is always positive   or zero  so the smallest f(x) can be is -2

g(x) = 3x^3 +2

  x^3  can get as negative as it wants  as x goes to negative infinity  this goes to negative infinity

g(x)  goes to negative infinity


f(x) min is -2

g(x) min is - infinity

g(x) has the smallest minimum value

5 0
3 years ago
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