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KatRina [158]
3 years ago
7

Which expression is equivalent to (2x + 1)?

Mathematics
2 answers:
Akimi4 [234]3 years ago
7 0

Answer:

A

Step-by-step explanation:

rjkz [21]3 years ago
7 0
The answer to this question i believe is A
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Find k such that the equation kx^2+x+25k=0 has a repeated solution.
Paha777 [63]
Ill try to answer your question
4 0
3 years ago
3^3 - 5 x 9 + 6 - 29
xxMikexx [17]

Answer:

-41

Step-by-step explanation:

3^3-5x9+6-29

calculate exponents 3^3=27

now write as; 27-5x9+6-29

now multiply and divide (left to right) 5x9=45

now rewrite as 27-45+6-29

now add and subtract(left to right) 27-45+6-29= -41

6 0
3 years ago
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What is 1/6 divided by 4​
Ksju [112]

Answer: 1/24 or 0.0416

Step-by-step explanation:

8 0
3 years ago
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Complete the square f(x) = x^2 + 4x - 8 <br><br><br> PLZ help me ;c
Semenov [28]
Ok, first group x terms
f(x)=(x²+4x)-8
factor out quadratic coefient (no need but that's the step)
f(x)=1(x²+4x)-8
take 1/2 of the linear coefient and square it
4/2=2, (2)²=4
add positive and negative of it insides the parenthasees
f(x)=1(x²+4x+4-4)-8
factor perfect square
f(x)=1((x+2)²-4)-8
distribute
f(x)=1(x+2)²-4-8
f(x)=1(x+2)²-12
and, now if we wanted to find the x intercepts where f(x)=0 then
0=1(x+2)²-12
12=(x+2)²
+/-2√3=x+2
-2+/-2√3=x

x=-2+2√3 or -2-2√3
that is where the x intercept are

and completed square form is
f(x)=(x+2)²-12
6 0
3 years ago
What is the answer to this equation?(solve) 5(5x+4)=45
Gemiola [76]

Answer:

x=1

Step-by-step explanation:

5(5x+4)=45

25x+20=45

subtract 20 on each side

25x=25

divide by 25 on each side

x=1

5 0
3 years ago
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