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3 years ago

6

What is the measurement of Q?

2 answers:

Liono4ka [1.6K]3 years ago

6 0

Answer: it would be 32

PilotLPTM [1.2K]3 years ago

4 0

Answer:

32

Step-by-step explanation:

I did the mathmathics

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What is the length of a line segment on the coordinate plane with end point (3,5) and (6,8) to the nearest tenth

yan [13]

Answer:

Step-by-step explanation:

Use the distance formula for coordinate geoemetry and the fact that x1 = 3, y1 = 5, x2 = 6 and y2 = 8 to fill in the formula:

$d=\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2 }$

fills in accordingly:

$d=\sqrt{(6-3)^2+(8-5)^2}$

which simplifies a bit to

$d=\sqrt{(3)^2+(3)^2}$

which is

$d=\sqrt{18}$

The square root of 18 simplifies down to $3\sqrt{2}$ , which is 4.2426 in decimal form

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Nan’s art sculpture is a pyramid. She will cover all the faces with gems, except the base of the pyramid.

marysya [2.9K]

Answer:

it is 54

Step-by-step explanation:

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3 years ago

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What are the exact solutions of x2 − 5x − 7 = 0, where x equals negative b plus or minus the square root of b squared minus 4 ti

Marat540 [252]

Answer:

$x = \frac{5 + \sqrt{53}}{2}$ or $x = \frac{5 - \sqrt{53}}{2}$

Step-by-step explanation:

Given

$x^2 - 5x - 7 = 0$

Required

Solve for x using:

$x = \frac{-b \± \sqrt{b^2 - 4ac}}{2a}$

First, we need to identify a, b and c

The general form of a quadratic equation is:

$ax^2 + bx + c = 0$

So, by comparison with $x^2 - 5x - 7 = 0$

$a = 1$ $b = -5$ $c = -7$

Substitute these values of a, b and c in

$x = \frac{-b \± \sqrt{b^2 - 4ac}}{2a}$

$x = \frac{-(-5) \± \sqrt{(-5)^2 - 4 * 1 * -7}}{2 * 1}$

$x = \frac{5 \± \sqrt{25 +28}}{2}$

$x = \frac{5 \± \sqrt{53}}{2}$

Split the expression to two

$x = \frac{5 + \sqrt{53}}{2}$ or $x = \frac{5 - \sqrt{53}}{2}$

To solve further in decimal form, we have

$x = \frac{5 + 7.28}{2}$ or $x = \frac{5 - 7.28}{2}$

$x = \frac{12.28}{2}$ or $x = \frac{-2.28}{2}$

$x = 6.14$ or $x = -1.14$

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A rocket launches upward off of a 18 ft platform with an initial velocity of 125 ft/sec creating the equation begin mathsize 18p

Dmitry_Shevchenko [17]

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3 years ago