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natita [175]
3 years ago
13

Simplify: -x - 4x + 2

Mathematics
2 answers:
lianna [129]3 years ago
7 0

Answer:

5x+2

Step-by-step explanation:

:)

sergij07 [2.7K]3 years ago
6 0

Answer:

16x little 2 on top - 40xy + 25y little 2 on top

Step-by-step explanation:

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Cual es el denominador de 7/8
mash [69]

Answer:

8 u ocho

¡Espero que ayude!

Step-by-step explanation:

6 0
2 years ago
PLEASE ANSWER WITH ALL THE MATH
Colt1911 [192]

9514 1404 393

Answer:

  • Jacob: 4
  • his mother: 39

Step-by-step explanation:

Let J and M represent the current ages of Jacob and his Mother.

<u>currently</u>:

  M = 3 +9J

<u>in 11 years</u>:

  M+11 = 5 +3(J+11)

Using the first equation to substitute for M in the second, we have ...

  (3 +9J) +11 = 5 +3(J +11) . . . . . substitute for M

  9J +14 = 3J +38 . . . . . . simplify

  6J + 24 . . . . . . . . . . subtract 3J+14

  J = 4 . . . . . . . . . . divide by 6

  M = 3 +9(4) = 39

Jacob is 4 and his mother is 39.

8 0
2 years ago
When given Three points on a coordinate plane, you may be able to find a specific Quadratic equation that intersects all given p
ohaa [14]

Answer:

  TRUE

Step-by-step explanation:

A quadratic equation can be found that will go through any three distinct points that ...

  • satisfy the requirements for a function
  • are not on the same line

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The key word here is "may." You will not be able to find a quadratic intersecting the three points if they do not meet both requirements above.

8 0
3 years ago
The solution to this system of equations lies between the x-values -2 and -1.5. At which x-value are the two equations approxima
drek231 [11]
Hello,
\left \{ {{y= \dfrac{1}{x+2} } \atop {y=x^2+2}} \right. \\\\&#10;&#10; \left \{ {{y= \dfrac{1}{x+2} } \atop {\dfrac{1}{x+2}=x^2+2}} \right. \\\\&#10;&#10; \left \{ {{y= \dfrac{1}{x+2} } \atop {x+2= \dfrac{1}{x^2+2} }} \right. \\\\&#10;&#10; \left \{ {{y= \dfrac{1}{x+2} } \atop {x= \dfrac{1}{x^2+2} -2}} \right. \\\\&#10;&#10;&#10;
x=-1.81053571 and y=<span> 5,27803957 </span>

Download xls
3 0
2 years ago
Read 2 more answers
Solve for x: 3√5x² +25x-10√√5 = 0
bogdanovich [222]

Answer:  x = - 2√5, √5/3

Step-by-step explantion

3 √ 5 x 2 + 25 x − 10 √ 5 = 0 35x2+25x−105=0

⇒ 3√5x2 + 30x – 5x – 10√5 = 0  

⇒ 3√5x(x + 2√5) – 5(x + 2√5) = 0  

⇒ (x + 2√5)(3√5x – 5) = 0

x = - 2√5, √5/3

3 0
1 year ago
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