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3 years ago

Can someone help? (no files or links) (Will give brainliest)

Mathematics

2 answers:

telo118 [61]3 years ago

8 0

2 1/3+1 3/4+ x= 6 3/4. 2 2/3 is the answer.

Pie3 years ago

6 0

1 3/4 because it you add it you will get that that’s the answer

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Which expressions are equivalent to the one below? Check all that apply. 8^x

Dvinal [7]

$\bf a)\qquad \left( \cfrac{32}{4} \right)^x\implies \left( \cfrac{8}{1} \right)^x\implies (8)^x\implies 8^x
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b)\qquad x^4\impliedby \textit{nothing to simplify}
\\\\\\
c)\qquad 8\cdot 8^{x-1}\implies 8^1\cdot 8^{x-1}\impliedby \textit{same base, add the exponents}
\\\\\\
\left. \qquad \right.\left. \qquad \right.8^{1+x-1}\implies 8^x$

$\bf d)\qquad \cfrac{32^x}{4}\implies \cfrac{(2^5)^x}{2^2}\implies (2^5)^x\cdot 2^{-2}\implies 2^{5x}\cdot 2^{-2}\implies 2^{5x-2}
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e)\qquad \cfrac{32^x}{4^x}\implies \left( \cfrac{32}{4} \right)^x\implies \left( \cfrac{8}{1} \right)^x\implies 8^x
\\\\\\
f)\qquad 8\cdot 8^{x+1}\implies 8^1\cdot 8^{x+1}\implies 8^{1+x+1}\implies 8^{x+2}$

7 0

4 years ago

Which expression represents x2−12x+36 in factored form? (x−4)(x−9) (x+6)2 (x+6)(x−6) (x−6)2

Sonja [21]

Two factors of x²-12x+36 are

(x-6) and (x-6)

Solution;

x²-12x +36

x²-6x -6x +36 ( split -12x in two parts such that if add them we will get-12x and if multiply will get 36x²)

Taking x common from first two terms and 6 from next two terms

x(x-6) -6(x -6)

taking (x-6) common

(x-6)(x-6)

3 0

3 years ago

Read 2 more answers

HELPPHELPPPPP HELLPP PLEASEEE

Lilit [14]

Answer:

The answers of all four questions are below.

Step-by-step explanation:

(5)4+2x=−2x+44

Step 1: Simplify both sides of the equation.

2x+4=−2x+44

Step 2: Add 2x to both sides.

2x+4+2x=−2x+44+2x

4x+4=44

Step 3: Subtract 4 from both sides.

4x+4−4=44−4

4x=40

Step 4: Divide both sides by 4.

4x/4=40/4

x=10

-----------------------------------------------------------------------------------------------------------------

(6)114−3x=194−11x

Step 1: Simplify both sides of the equation.

114−3x=194−11x

114+−3x=194+−11x

−3x+114=−11x+194

Step 2: Add 11x to both sides.

−3x+114+11x=−11x+194+11x

8x+114=194

Step 3: Subtract 114 from both sides.

8x+114−114=194−114

8x=80

Step 4: Divide both sides by 8.

8x/8 = 80/8

x=10

------------------------------------------------------------------------------------------------------

(7)4x-12=-2x+36

4x-12+12=-2x+36+12

4x=-2x+48

4x+2x=-2x+48+2x

6x=48

6x/6=48/6

x=8

-----------------------------------------------------------------------------------------------------------

(9)-3x+90=117-12x

-3x+90-90=117-12x-90

-3x=-12x+27

-3x+12x=-12x+27+12x

9x=27

9x/9=27/9

x=3

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Oh, and a tip if your having trouble with algebraic expressions I recommend you use mathpapa and symbolab when I was learning expressions this really helped me. Have a great day.

5 0

3 years ago

6. Multiply: (x – 4)(x + 5)

igor_vitrenko [27]

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