MATHEMATICS MIDDLE SCHOOL

Evaluate 10.2x+9.4y when x=2 and y=3

Answers

Answer 1

Answer:

Steps to solve:

10.2x + 9.4y when x = 2 and y = 3

= 10.2(2) + 9.4(3)

= 20.4 + 28.2

= 48.6

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Answer 2

Answer:

Answer:

48.6 is the answer

Step-by-step explanation:

Okay, first you plug in the variables x and y .

So now the new equation is 10.2x2 this is ,because everytime a number get put next to another number you multiply. So .....

(10.2x2) + (9.4x3)=

20.4+28.2=

48.6

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Antonio and Bendu want to earn money this summer by setting up a lemonade stand. Thinking about last summer's sales, they realize that they sold an average of 200 cups per day when they charged $1.00 per cup. Other vendors with similar sales have noted that for every $.25 increase in price, they sold 20 fewer cups. Using this information, what should they charge to maximize their income? And what is the function and plot points of this problem? GUYS PLEASE HELP ME OUT ON THIS IM DESPERATE AND USED 50 POINTS FOR THIS. AND DON'T TRY AND COPY AND PASTE THE QUESTION, BELIEVE ME, I'VE TRIED.

Answers

Answer:

1.) From the information given, they should charge $1.25 per cup to maximize their income

2.) Function y = -1.25x + 200

3.) (200, 200) and (180, 225)

Step-by-step explanation:

Let assume that they sold an average of 200 cups per day when they charged $1.00 per cup. Then they will realise $1.00 × 200 = $200 per day

If they increase the price by $ 0.25, they sold 20 fewer cups. That is, they will realise $1.25 × 180 = $225

Increase in profit = 225 - 200 = $25

From the information given above, they should charge $1.25 per cup to maximize their income

If income = y and number of cup = x

Slope = 25/-20 = - 1.25

Function y = -1.25x + 200

The plot point are:

(200, 200) and (180, 225)

WHAT IS THE DOMAIN OF (F+G) (X) ?

Answers

are the x values of the given function of (F+G)(X)./

Rewrite each statement using symbols
Fourteen more than six

Answers

6 + 14

you have the number 6 add 14 more

What values can n have to make each equation true |n|=3 and |n|=14 |n|=1

Answers

|n|=3
n=+3;n=-3
|n|=14
n=+4; n=-4
|n|=1
n=+1; n=-1

Answer:

-3 and 3

-14 and 14

-1 and 1

Step-by-step explanation:

Paul owes Paula 35 cents and has a pocket full of 5-cent coins, 10-cent coins, and 25-cent coins that he can use to pay her. What is the difference between the largest and the smallest number of coins he can use to pay her?

Answers

The largest number is 2 coins A 25- cent coin and 10 cent coin.

The Smallest Is 7 Coins, 7 Five cent coins.

7-2 = 5

So therefore the difference
between the largest and the smallest number of coins he can use to pay her is 5.

Find the sum or difference 167.9+83.97