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Archy [21]
2 years ago
14

Find the value of x. If your answer is not an integer, express it in simplest radical form.

Mathematics
1 answer:
DedPeter [7]2 years ago
7 0

Answer:

x = 8√5

Step-by-step explanation:

for right triangle

c^2 = a^2 + b^2

with c is the hypotenuse; a & b are the other sides

(4 + 16)^2 = (4√5)^2 + x^2

400 = 80 + x^2

x^2 = 320

x^2 = 64(5)

√x^2 = √64(√5)

x = 8√5

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1/3 (6x +12) - 2(x-7)=19
Morgarella [4.7K]

Answer:

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Step-by-step explanation:

Given

\frac{1}{3}(6x + 12) - 2(x - 7) = 19 ← distribute parenthesis on left side

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18 = 19 ← not possible

This indicates the equation has no solution

4 0
3 years ago
5 * 10^6 is how many times larger as 5 * 10^4
Alexxandr [17]

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aniked [119]

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Step-by-step explanation:

Pythagorean Theorem.

4 0
3 years ago
Plz help asap with a explanation of why that’s the answer
Olegator [25]

Answer:

1st option

Step-by-step explanation:

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I NEED HELP WITH NUMBER 2
sashaice [31]

5y+2x = -7~~~~~......(i)\\\\y = -2x +5 ~~~~~~.....(ii)\\\\(i) -(ii):\\\\5y+2x -y = -7-(-2x+5)\\\\\implies 4y +2x = -7 +2x -5\\\\\implies 4y +2x -2x = -12\\\\\implies 4y = -12\\\\\implies y = - \dfrac{12}4 = -3\\\\\\\text{Substitute}~ y=-3~ \text{in equation (ii):}\\\\\\-3 = -2x +5\\\\\implies 2x = 5 +3 \\\\\implies 2x = 8\\\\\implies x = \dfrac 82 =4\\\\\text{Hence,}~ x = 4

4 0
2 years ago
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