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schepotkina [342]
3 years ago
9

What is 3.16 rounded to the nearest decimal?

Mathematics
1 answer:
xxMikexx [17]3 years ago
5 0
It would be 3 because .50 and up is one up and .49 and down is is one down
 
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Slope of 5,2 and 6,2
maria [59]

Answer:

The slope is 0

Step-by-step explanation:

(2-2) divided by (6-5) equals to 0 which is the Slope

\frac{2-2}{6-2} \\\\

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3 years ago
What's the equation for this problem? Please help!! It's due tomarrow
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Darla bought 0.9 kilogram of red grapes and 0.35 kilogram of green grapes.
madam [21]

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3 years ago
What is the side length, in inches, of the pets
tatiyna

Candy draws a square design with a side length of x inches for the window at the pet shop. She takes the design to the printer and asks for a sign that has an area of 16x2 – 40x + 25 square inches. What is the side length, in inches, of the pet shop sign?

Answer:

the length of the sign is 4x-5 inches

Step-by-step explanation:

Given

Area of the square of design = 16x^{2} -40x+25

First we find the roots of equation 16x^{2} -40x+25=0

The roots of the quadratic equation ax^{2} +bx^{2} +c=0 are given by

x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

where a=16, b=-40, c=25

x=\frac{40\pm\sqrt{(-40)^2-4\times 16\times 25}}{2\times 16}

x=\frac{40\pm\sqrt{1600-1600}}{32}

x=\frac{40\pm\sqrt{0}}{32}

x=\frac{40}{32}

x=\frac{5}{4}

4x=5\\4x-5=0

That is, the factors of the polynomial 16x^{2} -40x+25 are 4x-5 and 4x-5.

So, Area of the square design = 16x^{2} -40x+25 = (4x-5)^{2}

Area of a square = Length^2

Thus, the length of the sign is 4x-5 inches

7 0
3 years ago
5(3x + 9) -2x = 15x-2(x-5)
ipn [44]

Answer:

15x+45-2x=15x-2x-10

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if you simplify further

you will not get an answer there is a mistake in the question

3 0
3 years ago
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