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Colt1911 [192]
3 years ago
14

Write two other mixed numbers that both add up to 30

Mathematics
1 answer:
amid [387]3 years ago
8 0
27 3/4 + 2 1/4
15 1/3 + 14 2/3
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Consider the quadratic function f(x)=8x^2-7x+6 what is the constant of the function
Sergio [31]
6

It’s the number by itself
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4 years ago
Joy ran 13 miles in 3 1/4 hours. what was her average rate ???
kotykmax [81]
13 miles/ (3 1/4 hours)= 4 miles/hour.

Her average rate is 4 miles/hour~
7 0
3 years ago
The area of the regular hexagon is 169.74 ft2 what is the perimeter, rounded to the nearest tenth
Bess [88]

Answer:

Perimeter of given regular hexagon is <em>48.5 ft</em>.

Step-by-step explanation:

Let <em>ABCDEF</em> be the regular hexagon as shown in the attached figure.

<em>O</em> be the intersection point of the diagonals <em>EB</em>, <em>FC </em>and <em>AD</em>.

As per the property of regular hexagon, all the 6 triangles formed are equilateral triangles.

In other words,

\triangle EOD, \triangle DOC, \triangle BOC, \triangle AOB, \triangle AOF , \triangle FOE are equilateral \triangle s.

Area of an equilateral \triangle is defined as :

\dfrac{\sqrt{3}}{4} \times a^{2}

Where <em>a </em>is the side of \triangle.

Area of hexagon = 6 \times \dfrac{\sqrt{3}}{4}\times a^{2}

We are given that area of hexagon = 169.74 ft^{2}

Let <em>s </em>be the side of hexagon.

\Rightarrow 6 \times \dfrac{\sqrt{3}}{4}s^{2} = 169.74 ft^{2}\\\Rightarrow s = 8.08 ft

A regular Hexagon is made up of 6 equal sides, so

Perimeter of a regular hexagon = 6 \times side

Perimeter = 6 \times 8.08

\Rightarrow 48.5 ft

So, perimeter of given regular hexagon is 48.5 ft.

6 0
3 years ago
42 = -7 (z - 3)<br><br> z = ?
liubo4ka [24]

Answer:

The answer to your question is z = -3

Step-by-step explanation:

Expand                 42 = -7(z - 3)

                             42 = -7z + 21

Simplify                 7z = -42 + 21

                             7z = -21

Clear z                    z = \frac{-21}{7}

                              z = -3                                                            

3 0
3 years ago
Read 2 more answers
Find the discount on a $15 T-shirt. It is on sale for 10% off.
Lelu [443]

Answer:

$13.50 (discount price)

$1.50 (discount amount)

Step-by-step explanation:

$15 x 10% =

$15 x 0.1 = $1.50

$15 - $1.50 = $13.50

3 0
3 years ago
Read 2 more answers
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