What is 3.5 divided by .25 thanks

Answers

Answer 1

Answer: you have to make .25 into a whole number so you move the decimal two spaces to the right and since you moved .25 two spaces to the right you have to do the same to 3.5 it becomes 350 . then you divide 350/25 =14

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X = 8, y = 20. Find y when x = 42

Answers

Create proportions to do this question
When x is 8, y is 20
when x is 42, y is ?

$(8)/(20)$ = $(42)/(?)$

Do cross multiplication:

8 × ? = 20 × 42
8 × ? = 840

Divide by 8 to isolate the unknown

$(8*?)/(8)$ = $(840)/(8)$
8 and 8 cancels out

? = 105

y is 105 when x is 42

8 / 20 = 42 / y;
Then, y = ( 42 × 20 ) / 8 ;
y = 840 / 8 ;
y = 105;

When the store had sold 2/9 of the boots that were on display, they brought out another 34 pairs from the stock room. If that gave them 174 pairs of boots out, how many pairs were on display originally?PLEASE SHOW WORK

Answers

Let us assume number of boots pairs were on display originally = x.

We are given 2/9 of the total boots pairs we sold.

So, 2/9 of x boots pairs were sold, that is

Number of boots pairs were sold = 2/3 x.

Number of boots pairs brought out from store = 34.

Remaining pairs of boots = 174 pairs.

So, we can setup an equation,

Total number of boots pairs - First number of boots pairs sold + number of boots pairs brought out from store = Remaining pairs.

x - 2/9 x +34 = 174.

Subtracting 34 on both sides, we get

x - 2/9 x = 34-34 = 174-34

x- 2/9 x = 140 .

Simplifying left fracions by taking common denominator,

9/9 x- 2/9 x = 140

(9x-2x)/9 = 140.

7/9 x = 140.

Multiplying both sides by 9.

9* 7/9 x = 9*140.

7x = 1260.

Dividing both sides by 7.

7x/7 = 1260/7

x= 180.

Therefore, 180 pairs were on displayed originally.

What expression can be used for estimating 868 divided by 28

Answers

You could do 870/30=29.
Or you could do 868/28=31 and then round it but it looks like it doesn't need rounding.

Calculate the area of triangle QRS with altitude ST, given Q (0, 5), R (−5, 0), S (−3, 4), and T (−2, 3).A- 6.2 square units

B- 7 square units

C- 5.9 square units

D- 5 square units

Answers

we have that

$Q (0, 5)\nR (-5, 0)\nS (-3, 4)\nT (-2, 3)$

using a graph tool

see the attached figure

the Area of triangle QRS is equal to

$A=(1)/(2)*b*h\n A=(1)/(2)*RQ*ST$

1) Find the distance RQ

Applying the formula of distance

$d=\sqrt{(y2-y1)^(2)+(x2-x1)^(2)}$

$dRQ=\sqrt{(0-5)^(2)+(-5-0)^(2)}$

$dRQ=√((25)+(25))$

$dRQ=√(50) units$

2) Find the distance ST

$dST=\sqrt{(3-4)^(2)+(-2+3)^(2)}$

$dST=√((1)+(1))$

$dST=√(2) units$

3) Find the area of triangle QRS

$A=(1)/(2)*RQ*ST\n\n A=(1)/(2)*√(50)*√(2) \n\n A=(1)/(2)*√(100) \n \n A=(10)/(2) \n \n A=5 units^(2)$

therefore

the answer is the option

D- $5$ square units

The correct answer among the choices provided is option D. The area of triangle QRS with altitude ST is 5 square units. To solve for the area, the distance formula was used. The formula was substituted with the given values, QR=√[(-5-0)²+(0-5)²].

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)

If you add 5 to me and then divide by 9, you get3. What number am I

Answers

First we need to reverse all of these operations. So, you need to start with three. It says to divide by nine, so then you multiply three by nine. Three times nine is equivalent to 27.

Now you have the number 26. Reverse the addition to subtracting and you get the final answer 22.

Let's check it. 22 plus five is 27. 27 divided by nine equals three.

So you final answer is three.

Thanks so much for the opportunity to answer your question and I hope this helps! I ask you with the upmost respect to make me the brainiest answer if you are willing. I am very close to leveling up and I NEED brainiest answers! Thank you so much!

$x-number\n\n(x+5)/(9)=3\ \ \ \ \ \ |\cdot9\n\nx+5=27\n\nx=27-5\n\nx=22\n\nYou\ are\ 22$

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