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ivanzaharov [21]
4 years ago
11

What is the cost per ounce as a fraction

Mathematics
1 answer:
sineoko [7]4 years ago
3 0
9 and 1/3 cents per oz.
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Help me out please? Math photo
kykrilka [37]

Answer: (20) x = 8 , (21) x = 4√3  , (22) x = 9  , (23) x = 2√3  , (24) x = 140°  , (25) x = 82°

<u>Step-by-step explanation:</u>

20) Given two intersecting chords inside a circle, the product of their segments is equal.

5 * x = 4 * 10

 5x  =   40

   x   =    8

21) Given a secant and a tangent line, the product of the outside segment and the entire segment length equals the square of the tangent segment.

4 * (8 + 4) = x²

     4 (12)  = x²

        48   = x²

      √48  = √x²

       4√3 = x

22) Given two secant lines, the product of their outside segments and the entire segment lengths are equal.

4 * (5 + 4) = 3 * (3 + x)

       4(9)   = 3(3 + x)

        4(3)   =   3 + x

          12   =   3 + x

           9   =    x  

(23) Given two intersecting chords inside a circle, the product of their segments is equal.

6 * 2 = x * x

  12   = x²

√12  = √x²

 2√3 =  x

24) \frac{1}{2}(outside arc - inside arc) = vertex angle

     \frac{1}{2}(30 - inside arc) = 10

     30 - inside arc = 20

          - inside arc = -10

            inside arc = 10

outside arc + x + inside arc = 180 <em>because they form a semi circle</em>

30 + x + 10 = 180

      40 + x = 180

               x = 140

25) opposite angles of a quadrilateral inscribed in a circle are supplementary

98 + x = 180

       x  = 82

7 0
3 years ago
I was wondering if anyone would be so kind to help me on my geometry homework I would greatly appreciate it
swat32
Umm... where are the questions so I could answer them
5 0
3 years ago
Use an inverse function to write θ as a function of x.
kotykmax [81]

Answer:

C

Step-by-step explanation:

Using the tangent ratio in the right triangle

tanθ = \frac{opposite}{adjacent} = \frac{x}{3} , then

θ = arctan \frac{x}{3} → C

4 0
3 years ago
barons "A salad bar has 7 ingredients, excluding the dressing. How many different salads are possible where two salads are diffe
gizmo_the_mogwai [7]

Answer: 128

Step-by-step explanation:

Given : Total ingredients =7

When we select any one of ingredient for salad, then total choices for each ingredient = 2 (Yes or No)

So for all 7 ingredients there will be 2\times2\times2\times2\times2\times2\times2=2^7=128 choices [By fundamental principle of counting]

Hence, there are 128 different salads are possible where two salads are different if they don't include identical ingredients

4 0
4 years ago
Write an equation for the function that passes through the points (1,3/2) and (3/2,2)​
kirill [66]

Answer:

y = 1x + 1/2

Step-by-step explanation:

y2 - y1 / x2 - x1

2 - 3/2 / 3/2 - 1

= 1/2  / 1/2

= 1

y = 1x + b

3/2 = 1(1) + b

3/2 = 1 + b

1/2 = b

6 0
3 years ago
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