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gregori [183]
3 years ago
9

HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

!!!!!!!!!!!!Identify the mapping diagram that represents the relationship and determine whether the relation is a function. {(–2, –4), (–1, –4), (3, –4), (6, –4)}

Mathematics
1 answer:
maw [93]3 years ago
6 0

Answer:

PIC 1: Option 2. this relation is a function

PIC 2. Option 1. this relation is not a function

Step-by-step explanation:

To be a function, the domain (x value) can only have one range (y value). But one range can have multiple domain

PIC 1

Function {(-2, -4) (-1, -4) (3, -4) (6, -4)}

This relation is a function

EXPLANATION: each domain only have one range

PIC 2

Function {(-4, -2) (-4, -1) (-4, 3) (-4, 6)}

This relation is not a function

EXPLANATION: each domain has multiple range.

Hope this helps!! :)

Please let me know if you have any question or need any further explanation

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Step-by-step explanation:

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3 years ago
You sell tickets for admission to your school play and collect a total of $104. Admission prices are six dollars for adults and
Tanzania [10]

Answer: you sold 10 adult tickets and 11 children tickets.

Step-by-step explanation:

Let x represent the number of adult tickets that you sold.

Let y represent the number of children tickets that you sold.

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x + y = 21

Admission prices are six dollars for adults and four dollars for children. You sell tickets for admission to your school play and collect a total of $104. This means that

6x + 4y = 104 - - - - - - - - - -1

Substituting x = 21 - y into equation 1, it becomes

6(21 - y) + 4y = 104

126 - 6y + 4y = 104

- 6y + 4y = 104 - 126

- 2y = - 22

y = - 22/ -2 = 11

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3 0
3 years ago
If Ahmed runs 10Km in 30 minutes what is his speed in km per hr?​
vlabodo [156]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
What's the volume? <br><br><br> I honestly just need the formula.
Arturiano [62]

Answer:

v=364.5\ m^3

Step-by-step explanation:

<u>Volume Of A Regular Solid</u>

When a solid has a constant cross-section, the volume can be found by multiplying the area of the base by the height. The area of a trapezium is

\displaystyle A_t=\frac{b_1+b_2}{2}h

where b_1 and b_2 are the lengths of the parallel sides and h the distance between them.

The figure shows a solid with a trapezoid as the constant cross-section and a height x. The volume of the solid is

\displaystyle v=A_t\ x

\displaystyle v=\frac{b_1+b_2}{2}\ h\ x

The image doesn't explicitly say if the length of 4.5 is the height of the trapezium or the length of that side. We'll assume the first, so our data is:

\displaystyle b_1=7m,\ b_2=11m,\ h=4.5m,\ x=9m

We now compute the volume

\displaystyle v=\frac{7+11}{2}.(4.5)(9)=364.5

\boxed{\displaystyle v=364.5\ m^3}

8 0
3 years ago
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