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Oxana [17]
2 years ago
9

Find the area of the rhombus. pic included, thank you

Mathematics
2 answers:
Katen [24]2 years ago
8 0

Answer:

80in 2

Step-by-step explanation:

slamgirl [31]2 years ago
6 0

Answer:

a=(d1×d2)÷2

(20×12)÷2

240/2

120

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A. 1/6, 6 possible outcomes with 1 desired result.
B.67/450 will give you the answer of 14.888...% I'm going to assume your teacher will let you round to 15 so the chances are 15/100 and in simplest form is 3/20.
5 0
3 years ago
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Item 16 The variables x and y vary directly. Use the values to find the constant of proportionality, k. Then write an equation t
masya89 [10]

Answer:

k = 2

x = 2y

Step-by-step explanation:

If variables x and y vary directly, this is expressed as;

x ∝ y

x = ky

k is the proportionality constant

Let's assume the value of x and y since we are not given;

x = 20

y = 10

Substitute

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10k = 20

k = 20/10

k = 2

Hence the constant of proportionality is 2

Substitute i=k = 2 into the equation x = ky

x = 2y

Hence an equation that relates x and y is x = 2y

<em>Note that the values here are assumed value, you can use the same method for any values of x and y</em>

4 0
3 years ago
Which is the sum of 3.15 × 107 + 9.3 × 106? Write your answer in scientific notation.
BartSMP [9]

Answer:

Scientific Notation:

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E-Notation:

1.32285e3

Engineering Notation:

1.32285 × 10^3

Real Number:

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Step-by-step explanation:

7 0
3 years ago
What is the sum of 2equal numbers
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