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Lady bird [3.3K]
3 years ago
11

Mr. Alvarez wants to make a gate that is three feet wide and five feet high. He needs to cut a board to nail across the diagonal

of the gate. How long a board does he need?
Mathematics
1 answer:
bulgar [2K]3 years ago
5 0
The board will be 3 by 5
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What is the equation of the graphed line written in standard form? 2x – y = –4 2x – y = 4 y = 2x – 4 y equals StartFraction one-
svp [43]

Answer:

The answer is "2x-y=4"

Step-by-step explanation:

Given:

2x-y=-4\\2x-y=4\\y=2x-4\\y=\frac{1}{2}(x-4)\\

The Formula of Slope:

m=\frac{y_2-y_1}{x_2-x_1}

by replacing the (2,0) and (0,-4) coordinates in the above formula:

\to m= \frac{-4-0}{0-2}\\\\ \to  m= \frac{-4}{-2}\\\\ \to  m= \frac{4}{2}\\\\ \to m= 2\\\\

if point y intercepting in x then x=0, for this the value of x= 0 and c=-4.

Equation of the line:

\to  y=mx+c

apply m and c value in the above equation:

\to  y=2x-4\\

Subtract by 2x on both sides of the equation we get:

\to  y-2x= 2x-4-2x\\\\\to  y-2x=-4\\\\\boxed{\boxed{2x-y=4}}\\\\

5 0
3 years ago
Read 2 more answers
What is the length of the rectangle if the perimeter is 102 cm?
elixir [45]
<span> <span>The perimeter of a rectangle is 102 cm. If the length is 15 cm less than twice the width</span></span>
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2 years ago
Read 2 more answers
Need help ASAP!!
mestny [16]

j + a = 50

j= a + 12

a+ 12 +a = 50

2a +12 = 50-12

2a = 38

a = 19

j =31

a = 19

Jordan is 31 years old and Anna is 19 years old.


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3 years ago
What are important of mountain ?​
Aneli [31]

Answer:

<em><u>hlw </u></em><em><u>its </u></em><em><u>jess </u></em>

<em><u>your </u></em><em><u>answer</u></em><em><u> is</u></em><em><u> here</u></em>

<h3 /><h3>Mountains are particularly important for their biodiversity, water, clean air, research, cultural diversity, leisure, landscape and spiritual values. </h3>

Step-by-step explanation:

<em><u>hope </u></em><em><u>it </u></em><em><u>may </u></em><em><u>help </u></em><em><u>you </u></em>

<h3><em><u>mark </u></em><em><u>as </u></em><em><u>brainlist</u></em><em><u> please</u></em></h3>
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2 years ago
How dose north america achieve 480VAC with 3 pole 120VAC
makvit [3.9K]

Answer:

There are a variety of factors driving the

adoption of 415/240VAC distribution. First,

distributing at these increased voltages

enables overall efficiency to be enhanced

by eliminating the need for a voltage

transformation along the power path. For

example, in a 415V system, the L-N voltage

is 240V, which is compatible with most all IT

loads. By shifting the UPS output distribution

voltage to 415/240 V three-phase (L-L/

L-N), most of the existing servers today can

be powered with 240V single-phase (L-N)

without any intermediate transformation.

Removing the need for a transformer

streamlines the power path and can increase

efficiency approximately 1.5 percent.

The adoption of a 415/240VAC distribution

model also can yield additional savings at

the device-level in the form of increased

efficiency for server power supplies. As

previously mentioned, today’s power

supplies can handle a wide range of incoming

voltages. Based on the actual voltage being

fed into the power supply, efficiencies can

range from as low as 80 percent (at 100V

nominal) to as much as 94 percent (at 240V

nominal) across all manufacturers.

Furthermore, while the typical efficiency

differential between 240V and 208V gained

at the server power supply today is a relatively

minimal, only 0.3 percent across most of

the load range, the efficiency differential

between 240V and 120V servers can be as

much as 2 percent for a given power supply.

It is this value that often gets overstated by

some manufacturers when comparing 415V

distribution to “traditional methods,” as

there are relatively few servers or peripherals

installed today that are operating at 120V.

Step-by-step explanation:

7 0
3 years ago
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