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Lerok [7]
3 years ago
15

Help me please! What is the solution to this equation?

Mathematics
2 answers:
marusya05 [52]3 years ago
8 0

Answer:

A. 21...............

Lina20 [59]3 years ago
7 0

Answer: x = 21

Step-by-step explanation:

first, move the constant to the right.

(x + 6)^1/3 = -2 + 5

then, rewrite and calculate.

(again, square root symbols on the computer don't work.)

next, simplify the equation.

x + 6 = 27.

then. move the constant to the right.

x = 27 - 6

finally, finish the calculations.

x = 21

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3 years ago
25 - 4x = 15 - 3x + 1 - x
kenny6666 [7]

Hello!

To solve algebraic equations, we need to first, simplify the common terms, and secondly use SADMEP. SADMEP is strictly used to solve algebraic equations, and is used like PEMDAS. SADMEP is an acronym for subtract, addition, division, multiplication, exponents, and parentheses.

25 - 4x = 15 - 3x + 1 - x (simplify the common terms)

25 - 4x = 16 - 4x (subtract 16 from both sides)

9 - 4x = -4x (add 4x to both sides)

9 = 0 → This means that there is no solutions.

Therefore, this equation has no solutions, which are contradictions because those are the equations with no solution.

3 0
3 years ago
What is the surface area of a sphere with a radius of 19 units?
almond37 [142]

Hope this helps. Please mark brainliest if it did

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5 0
2 years ago
Doug’s family buys 7 postcards while on vacation. Each postcard costs 0.25$ including tax. How can Doug use the number line to f
larisa [96]

Answer: Total cost is $1.75

Explanation:

Since we have given that

Number of postcards bought by Doug's family= 7

Cost of each postcard including tax = $0.25

Total cost is given by

7\times 0.25=\$1.75

Now, we want to show this in number line :

On the number line put all the number with a difference of 0.25 and run the number line seven times and we get the answer.

Each step is of length 0.25 and there are 7 jumps to reach required answer.

So, after 7 jumps we reach at 1.75 which is the required answer.

Hence total cost is $1.75

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3 years ago
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Answer:

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4 0
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