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kkurt [141]
2 years ago
7

Which expression is equivalent to

Mathematics
1 answer:
11111nata11111 [884]2 years ago
5 0

Answer:

D -18x+4

Step-by-step explanation:

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Need answer urgently please will give thanks and mark Brainliest
babymother [125]

Answer:

D

Step-by-step explanation:

sqrt(7) = about 2.6

and that divided by 2 is

0.8  which means D is the Answer

8 0
2 years ago
Which number line represtents the solution to |x+4|=2?​
vlada-n [284]

Answer:

Points -2 and -6 on the number line are the two solutions.

Step-by-step explanation:

Use the definition of absolute value as a starting point

|x|=x\,\,\mbox{for}\,\,x\geq 0\\|x|=-x\,\,\mbox{for}\,\,x

To solve the equation, you need to treat the two cases as above:

|x+4|=x+4=2\,\,\,\mbox{for}\,\,x+4\geq 0\implies x\geq -4\\x+4=2\implies x=-2

The solution x=-2 is consistent with the condition x>=-4, so it is the first and valid solution. Now the second case of the absolute value:

|x+4|=-(x+4)=2\,\,\,\mbox{for}\,\,x+4< 0\implies x

Again, the second solution -6 complies with the requirement that x<-4, so it is valid.

7 0
2 years ago
Which method could be used to factor x2 - 25?
Mandarinka [93]

Answer:

A. Perfect square Trinomial

Step-by-step explanation:

Just did its

6 0
3 years ago
Read 2 more answers
Help with solving equation: <br> -3x^4 + x^3-6x^2+15x-3. Divided by 3x
Solnce55 [7]
-x^3 + x^2/3 + 5 - 13/x
I don't know if this is correct
7 0
3 years ago
Gabrielle's age is three times Mikhail's age. The sum of their ages is 56, what is Mikhail’s age?
4vir4ik [10]
Gabrielle's age is 3x (in which x is mikhail's age)
the sum is 56 so 3x+x=56

3x+x=56
4x=56
x=14

since x was mikhail's age, mikhail is 14 years old
6 0
3 years ago
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