5x-2x = 11+14 find the the variable that makes the equation true.

Mathematics

1 answer:

Anna [14]2 years ago

4 0

Answer:

x=25/3

Step-by-step explanation:

I put it into photo math

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Solve the equation by using square roots. 2 x 2 − 9 = 11

VashaNatasha [74]

Answer:

x = ± $\sqrt{10}$

Step-by-step explanation:

Given

2x² - 9 = 11 ( add 9 to both sides )

2x² = 20 ( divide both sides by 2 )

x² = 10 ( take the square root of both sides )

x = ± $\sqrt{10}$ ← exact solutions

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One solution of the equation x2 + 5x + 4 is -4. What is the other solution?

Oliga [24]

Answer:

Step-by-step explanation:

$x^2+5x+4=0\\\\x^2+x+4x+4=0\\\\x(x+1)+4(x+1)=0\\\\(x+1)(x+4)=0\iff x+1=0\ \vee\ x+4=0\\\\x=-1\ \vee\ x=-4$

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Step-by-step explanation:

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3 years ago

If M<1 + M<5 =100<br> Find the measure of <4

egoroff_w [7]

Answer:

Step-by-step explanation:

Angles 1 and 5 are in corresponding positions, so since A and B are parallel to each other, angles 1 and 5 are also congruent. If they are congruent, then that have the exact same measure. That means that if the sum of them is 100, each one has a measure of 50 degrees.

Angle 4 is vertical to angle 1, so that means that angles 1 and 4 are congruent. If angle 1 measures 50, then so does angle 4.

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The sum of the measures of the angles of a triangle is 180 degrees°. The smallest angle of the triangle has a measure one fourth

vivado [14]

Answer:

8°,32°,140°.

Step-by-step explanation:

Sum of measure of angles of a triangle is 180°

Let the second smallest angle be x°

Smallest angle= $\frac{1}{4}$ x