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slavikrds [6]
3 years ago
8

GUYSSS PLS HELPP SOLVE THESE TWO SYSTEMS OF EQUATIONS!!!!!! 1 SOLVE THIS SYSTEM WITH SUBSTITUTION METHOD x+3y=5, x^2+y^2=25; The

second system of equations solve with method of algebraic addition!!!!! 2x+3y=7, 4x-3y=5. PLEASE WITH FULL SOLUTION!!!!! IT'S VERY IMPORTANT FOR ME!!!!! HEEEEEEEEEELPPPPP!!!!!

Mathematics
1 answer:
gregori [183]3 years ago
6 0
I hope this helps you

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The length of a rectangular map is 15 inches and the perimeter is 50 inches find the width<br>​
lesya692 [45]

Answer: 10

Step-by-step explanation: 15*2=30,

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Gnesinka [82]
<h2><u>Answer:</u></h2>

Pi = 3.14

Diameter (d) = 86 cm

•°• Radius (r) = 86 ÷ 2 = 43 cm (radius is 1/2 of diameter)

Area of the circle = ?

Formula,

\pi( {r})^{2}

Substitute the value of 'r' & pi in the formula.

\pi(43) {}^{2}  \\ =  3.14 \times 43 {}^{2}  \\  = 3.14 \times 1849 \\  = 5805.86  \:  \: cm {}^{2}

⎆ The area of the circle is about <u>5</u><u>8</u><u>0</u><u>5</u><u>.</u><u>8</u><u>6</u><u> </u>cm² (approx.)

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3 years ago
Help me please, if it's right i'll mark you brainliest :D<br><br>Find the area of the parallelogram.
gulaghasi [49]

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If the length of a rectangular television screen is 40 inches and its height is 30 inches, what is the length of its diagonal, i
Helga [31]

Answer:

50 inches

Step-by-step explanation:

30²+40² = c² (c²= diagnol)

900+ 1600 = √2500

√2500 = 50

This is also a pythagorean triple (30,40,50).

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3 years ago
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