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3 years ago

Need help with this!!! ASAP

Mathematics

1 answer:

Elenna [48]3 years ago

4 0

<h2>10 volts</h2>

“RMS” stands for Root Mean Square, and is a way of expressing an AC quantity of voltage or current in terms functionally equivalent to DC. For example, 10 volts AC RMS is the amount of voltage that would produce the same amount of heat dissipation across a resistor of given value as a 10 volt DC power supply.

Hope it helps you!

-miraculousfanx-

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Need answers for a and b <br> Thank you

Volgvan

A. 6x - 8 = 4; 6x = 12; x = 2

b. 6x - 8 = 1 ; 6x =9; x = 3/2

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3 years ago

Can you help me with it please

Kisachek [45]

Answer:

$\frac{20}{29}$

Step-by-step explanation:

Equation of unit circle is:

$x^2 + y^2 = 1$

Plug $y = \frac{-21}{29}$ in above equation.

$x^2 + \bigg( \frac{-21}{29}\bigg)^2 = 1\\\\x^2 + \frac{441}{841} = 1\\\\x^2 = 1-\frac{441}{841}\\\\x^2 = \frac{841-441}{841}\\\\x^2 = \frac{400}{841}\\\\x =\pm\sqrt{ \frac{400}{841}}\\\\x =\pm\frac{20}{29}\\\\$

Since, point P is in the fourth quadrant.

Therefore, x - coordinate should be positive.

$\huge \red {\boxed {\therefore x =\frac{20}{29}}} \\\\$

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3 years ago

In the xy plane, a quadrilateral has vertices at (-1, 4), (7,4), (7,5), and (-1. 5). What is the perimeter of the quadrilateral?

iris [78.8K]

Answer:

(B) 18.

Step-by-step explanation:

We are asked to find the perimeter of a quadrilateral with vertices at (-1, 4), (7,4), (7,5), and (-1. 5).

First of all, we will draw vertices of quadrilateral on coordinate plane and connect the vertices as shown in the attached photo.

We can see that our quadrilateral is a parallelogram, whose parallel sides are equal.

$\text{Perimeter of quadrilateral}=8+1+8+1$

$\text{Perimeter of quadrilateral}=16+2$

$\text{Perimeter of quadrilateral}=18$

Therefore, the perimeter of the given quadrilateral is 18 units.

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3 years ago

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3 years ago

Karen measures the width of a garden plot and records that it is 44.25 meters. It's actual width is 45.5. What is the percent er

larisa [96]

In this question, <span>Karen measures the garden width result in 44.25 m while it's actual width is 45.5m. Then the amount of error that the Karen did would be: 45.5m-44.25m= 1.25m
The percent error would be:
</span>percent error = amount of error/ actual measurement
percent error = 1.25m/ 45.5m *100%=2.7%

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2 years ago