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choli [55]
3 years ago
8

What is 39/9 as a mixed number?

Mathematics
1 answer:
creativ13 [48]3 years ago
6 0
So,

To convert 39/9 into mixed fraction form, first find how many wholes fit into 39.
9 * 4 = 36

That is the maximum number of wholes that can fit.

39 - 36 = 3

We have 3 ninth's left.
\frac{3}{9} = \frac{1}{3}

So we can write it in mixed fraction form.
4 \frac{1}{3}
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Which expression represents the area of the figure?
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Answer:

The solution is 8x2 + 16x + 8. The region can be divided into a triangle and a rectangle.

Area of Triangle=  

1

2

(2x + 2)(2x)

Area of Triangle = 2x2 + 2x

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Area of Rectangle: 6x2 + 14x + 8

Sum of Two Regions: 8x2 + 16x + 8

Step-by-step explanation:

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3 years ago
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Let t = the number of tacos sold
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Write the equation of a line, in slope-intercept form, that has a slope of m=9 and passes through the point (4, 31)
Darina [25.2K]

Answer:

9x-y = 5

Step-by-step explanation:

Equation of line in slope intercept form:

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y-31 = 9*(x-4)

y-31 = 9x-36

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3 years ago
The base of a triangle exceeds the height by 9 centimeters. If the area is 56 square centimeters, find the length of the base an
shepuryov [24]

Answer:

The height of the triangle is 7cm and the base is 16cm

Step-by-step explanation:

First of all we have to know the formula to calculate area of ​​a triangle

a = area = 56

b = base

h = heigth

a = (b * h)/2

we replace the known values and we make 2 equations

56cm² = (b * h)/2

b = h + 9cm

we replace b by (h + 9cm) in the first equation

56cm² = (h + 9cm * h)/2

56cm² * 2 = h² + 9h

0 = h² + 9h - 112cm²

we use bhaskara formula:

(-b (±) √ (b² - 4ac) ) / 2a

we replace with the known values

h = (-9 (±) √ (9² - 4*1*(-112) ) ) / 2*1

h = (-9 (±) √ (81 + 448) ) ) / 2

h = (-9 (±) √529) /2

h = (-9 (±) 23)/2

h1 = (-9 + 23) / 2

h1 = 14 / 2

h1 = 7

h2 = (-9 - 23) / 2

h2 = -32 / 2

h2 = -16

The height of the triangle is 7cm and the base is 16cm

8 0
3 years ago
In the figure shown below, find the values of the angles given in the first column.
ladessa [460]

Answer:

2) 77°

3) 85°

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Step-by-step explanation:

2) 77

3) 85

4) 103

6 0
3 years ago
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