3 years ago

Hurry & Please Help!!

Mathematics

1 answer:

mars1129 [50]3 years ago

8 0

The answer to your question is D. Hope this helps:)

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X² +12x+27 = 0<br><br> Find the roots of each equation by factoring

Setler79 [48]

Answer:

x = -9, -3

Step-by-step explanation:

${x }^{2} + 12x + 27 = 0$

$(x + 3)(x + 9) = 0$

x = -3, -9

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2 years ago

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A rectangle has a length of (x + 4) centimeters and a width of 12x centimeters. If the perimeter is 26 centimeters, what is the

mars1129 [50]

Width of rectangle is 8.4 cm

Step-by-step explanation:

Length of rectangle = x+4

Width of rectangle = 12x

Perimeter = 26 cm

We need to find width of rectangle.

The formula used is:

$Perimeter=2(length+width)$

Putting values and finding x first:

$Perimeter=2(length+width)$

$26=2(x+4+12x)$

$26=2(13x+4)$

$26=26x+8$

$26-8=26x$

$26x=18$

$x=\frac{18}{26}$

$x=0.7$

So, value of x is 0.7

Now width= 12x = 12(0.7)

=8.4 cm

So, width of rectangle is 8.4 cm.

Keywords: Perimeter of Rectangle

Learn more about perimeter of rectangle at:

#learnwithBrainly

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3 years ago

Two sides of a triangle measure 8 centimeters and 13 centimeters which of the following could not be the length of the third sid

SOVA2 [1]

The answer is A because 13-9 equals 4

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3 years ago

Realtions??? IDK someone please explain

Greeley [361]

A relation is what it sounds like. A relation between numbers and/or objects.

A function is just a special type of relationship. In order for a relation to be a function, it must have only one output for one input.

On a graph, the x-axis is the input and the y-axis is the output. If you draw a vertical line through a point on the x-axis and there is only one point on that vertical line, then it is a function.

The only graph that meets these criteria is the first graph.

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Joel is constructing a line perpendicular . He has already constructed three arcs as shown. Use the image to answer the question

IgorC [24]

<span>It must be the same as it was when constructing the arc above P.</span>

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