3 years ago

Help please i don’t really understand i am slow!

Mathematics

1 answer:

sergiy2304 [10]3 years ago

5 0

Answer:

about 6

Step-by-step explanation:

a^2 + b^2 = c^2

5^2 + 4^2 = c^2

25 + 16 = 41

sqrt of 41 = about 6.403

round that down to 6.

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How many solutions exist for the given equation? StartFraction one-half left-parenthesis x plus 12 right-parenthesis equals 4 x

Firlakuza [10]

Answer:

One solution x = 2

Step-by-step explanation:

Given the equation:

$\dfrac{1}{2}(x+12)=4x-1$

Multiply this equation by 2:

$2\cdot \dfrac{1}{2}(x+12)=2\cdot (4x-1)\\ \\x+12=2(4x-1)$

Use distributive property:

$x+12=8x-2$

Combine the like terms:

$x+12=8x-2\\ \\x+12-12=8x-2-12\\ \\x=8x-14\\ \\x-8x=8x-14-8x\\ \\-7x=-14\\ \\7x=14\\ \\x=2$

Thus, this equation has one solution x = 2

7 0

3 years ago

Read 3 more answers

Pls help me plssss help asap

Anestetic [448]

Answer:

1) 15

2) 18

3) 72

8 0

3 years ago

Can someone please help, I'll give brainliest!!! WORTH 40 PTS!

Studentka2010 [4]

Answer:

X = 14.48528137

Step-by-step explanation:

ADD 72 TO BOTH SIDES
SQUARE ROOT 72
ADD 6
X = 14.48528137

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3 years ago

The length of the rectangular garden is 4 meters longer than the width. If the garden area is 60 square

rusak2 [61]

Step-by-step explanation:

Let x be the Width, and x+4 be the Length of the rectangle ; =>

Area = x*(x+4) = 60 ; =>

x^2 +4x - 60 = 0 ; Now solve the Quadratic equation using factoring to find x;

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3 years ago

1/3 X 12 = 12 X ___ = __

valkas [14]

1/3=4 hop this help you

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3 years ago