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2 years ago

Determine which of the mapping diagrams represents a relation that is not a function.

Mathematics

1 answer:

Evgesh-ka [11]2 years ago

5 0

Answer:

First one

Step-by-step explanation:

First one, because one x-value can't have two y-values.

A function always outputs one y-value. But it can have two x-values for one y-value.

Hope this cleared things up for you!

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The length of a rectangle is 5 meters less than 3 times the width. The perimeter is 46 meters. Find the width.

Taya2010 [7]

Length=3width-5
(2(x))+(2(3x-5)=46
2x+6x+10=46
8x=56
x=7
width=7 length=16

5 0

2 years ago

1.)

NemiM [27]

Answer:

There are no specified Numbers provided

Step-by-step explanation:

3 0

2 years ago

If m angle ECD is six less than five times m angle BCE, and mangle BCD = 162º. find each

Usimov [2.4K]

Answer:

see explanation

Step-by-step explanation:

let ∠BCE = x then ∠ECD = 5x - 6 and

∠BCE + ∠ECD = ∠BCD, substitute values

x + 5x - 6 = 162, that is

6x - 6 = 162 ( add 6 to both sides )

6x = 168 ( divide both sides by 6 )

x = 28

Hence

∠BCE = x = 28°

∠ECD = 5x - 6 = (5 × 28) - 6 = 140 - 6 = 134°

5 0

3 years ago

Read 2 more answers

Seattle, Washington is known for being very rainy. One day last month, 8 inches of rain fell in 1 1/2 hours. What is the rate of

Leno4ka [110]

Answer:

0.44ft/hr

Step-by-step explanation:

Given parameters:

Quantity of rainfall = 8inches

1ft = 12inches

so;

$\frac{8}{12}$ = 0.67ft

Time = $\frac{3}{2}$ hr

Unknown:

Rate of rainfall expressed in ft/hr = ?

Solution:

The rate of the rainfall is given as;

Rate = $\frac{Quantity}{time}$

Rate = $\frac{0.67ft}{\frac{3}{2} }$ = 0.44ft/hr

8 0

3 years ago

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Susan made some chocolate chip cookies. She found that three

wolverine [178]

You never gave a question therefore there is no answer without a question

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2 years ago