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IrinaVladis [17]

4 years ago

7

The expression 3A + 2.5S gives the cost in dollars of A adult tickets and S student tickets. What is the cost of 2 adult tickets

and 4 student

1 answer:

Andrei [34K]4 years ago

4 0

Answer:

16

Step-by-step explanation:

A = 2; S = 4

3A + 2.5S =

= 3(2) + 2.5(4)

= 6 + 10

= 16

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The inverse of x y is: x y x y y x x y y x

serg [7]

Answer:

The inverse of xy is yx.

Step-by-step explanation:

Given: xy

We need to find the inverse of xy.

To find inverse of an expression, we need to replace the variable x by y and y by x.

Given xy.

Now replace x by y and y by x, we get

yx

Therefore, the inverse of xy is yx.

Let me show you an example.

y = x - 2

To find the inverse function, replace x by y and y by x, we get

x = y - 2

It is an equation, to write the equation in terms of y, add 2 from both sides, we get

x + 2 = y -2 + 2

x + 2 = y

Therefore, y = x + 2

5 0

3 years ago

A quadrilateral had vertices (2,0) (0,-2) (-2,4) and (-4,2) which special quaderalateral is formed by connecting the midpoints o

valentina_108 [34]

Answer:

The special quadrilateral formed by connecting the midpoints of the sides of the original quadrilateral is : <em><u>a rhombus </u></em>

Step-by-step explanation:

Look at the photo below for the figure

:)

3 0

3 years ago

Water bowls at 212 degrees Fahrenheit. If a pot of water is 145 degrees, find the change in temperature needed for the water to

Bogdan [553]

It would need to increase 67 degrees

6 0

3 years ago

Read 2 more answers

Please answer this quick. will give brainliest

Vsevolod [243]

Answer:

the time Ari spent to walk is

$1 \frac{3}{4} \div 1 \frac{1}{4} = 1.4(h)$

the time Beth spent to walk is

$1 \frac{1}{2} \div 1 \frac{1}{8} = 1.(3)(h)$

the time Cathy spent to walk is 1h21' = 1.35(h)

so the time Ari spent > Cathy > Beth

=> list: Beth, Cathy, Ari

8 0

3 years ago

Ricardo wants to install two security cameras at point A so the parking lot from side AE to side AB of the building can be monit

german

Step-by-step explanation:

<u>The two cameras will have total view of:</u>

110° + 110° = 220°

<u>The angle to be viewed is:</u>

270° - 15° = 255°

This is not sufficient to cover the needed area as 220° < 255°

<u>The cameras should have a minimum view of:</u>

255°/2 = 127.5°

5 0

3 years ago