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prisoha [69]
4 years ago
15

Please help please please

Mathematics
1 answer:
riadik2000 [5.3K]4 years ago
7 0

Answer:

x = -1.4.

Step-by-step explanation:

3(x - 6) - 8x = -2 + 5(2x + 1)

3x - 18 - 8x = -2 + 10x + 5

-5x - 10x = 18 - 2 + 5

-15x = 21

x = -21/15

= -1.4  answer

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Which equation can be simplified to find the inverse of y = 2x ^ 2 ?
Rama09 [41]

Answer:

D)x = 2y ^ 2

Step-by-step explanation:

y = 2x ^ 2

To find the inverse exchange x and y

x = 2 y^2

Then solve for y

Divide by 2

x/2 = 2y^2 /2

x/2 = y^2

Take the square root of each side

±sqrt(x/2) = y

8 0
3 years ago
(2a^x + b^x)^2 i need help ASAP
Finger [1]

Answer:

4a^{2x} + 4a^{x}b^{x} + b^{2x}

Step-by-step explanation:

Using the rule of exponents

a^{m} × a^{n} ⇔ a^{(m+n)}

Given

(2a^{x} + b^{x} ) = (2a^{x} + b^{x} )(2a^{x} + b^{x} )

Each term in the second factor is multiplied by each term in the first factor, that is

2a^{x} (2a^{x} + b^{x} ) + b^{x} (2a^{x} + b^{x} ) ← distribute both parenthesis

= 4a^{2x} +2 a^{x}b^{x} + 2a^{x}b^{x} + b^{2x} ← collect like terms

= 4a^{2x} + 4a^{x}b^{x} + b^{2x}

6 0
3 years ago
I need help with this...
Mrrafil [7]

the answer is 60 :) good luckStep-by-step explanation:

5 0
3 years ago
Piper is planning for a birthday party. She gets to pick a meal activity and cake. For dinner the choices are spaghetti or pizza
Free_Kalibri [48]

Answer:

arcade, pizza, chocalte cake

Step-by-step explanation:

8 0
3 years ago
Teresa is maintaining a camp fire. She has kept the fire steadily going for 4 hours with 6 logs. She wants to know how many logs
ivolga24 [154]

Answer:

B.) C.) E.)

Step-by-step explanation:

Hours : logs

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x/6 = 18/4

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x/18 = 6/4

18/x = 4/6

5 0
4 years ago
Read 2 more answers
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