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o-na [289]
3 years ago
7

An ice cream truck started the day with 45 ice cream sandwiches. During a stop at a busy park they sold s ice cream sandwiches.

After the stop, the truck had 21
ice cream sandwiches remaining. Write an equation to describe this situation. How many ice cream sandwiches did the truck sell at the park?
Mathematics
2 answers:
jolli1 [7]3 years ago
5 0

45 - s = 21 \\ s = 45 - 21 = 24
The answer is 24
Zinaida [17]3 years ago
3 0
45-21=s
(the answer is 24 btw. you can check this by adding 24 and 21 to get 45 c:)
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If l is parallel to m, find the value of each missing variable
BabaBlast [244]

Answer:

x = 18

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Step-by-step explanation:

From the figure attached,

'l' and 'm' are the parallel lines and two transversal lines are intersecting these  parallel lines at points A, B and C.

Since, m∠ABC + (7x - 23)° = 180° [Supplementary angles]

m∠ABC = 180° - (7x - 23)°

m∠BCA = (11y - 1)° [Vertical angles]

m∠BAC = 49°

In ΔABC,

m∠ABC + m∠BAC + m∠CAB = 180°

180° - (7x - 23)° + 49° + (11y - 1) = 180°

-7x + 11y = -71

7x - 11y = 71 ------(1)

Since, sum of consecutive angles is 180°

Therefore, m(∠ABC) + (3x + 49)° = 180°

180° - (7x - 23)° + (3x + 49)° = 180°

-4x = -72

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From equation (1),

7(18) - 11y = 71

11y = 55

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4 0
3 years ago
If the store currently charges a price of $50, then increases that price to $60, what happens to total revenue from shoe sales (
Goryan [66]

Answer:

<h2>Revenue will decrease</h2>

Step-by-step explanation:

Note: the question did not provide the quantity to work with, so we will assume some values, say quantity Q= 30

Generally, it is normal for the revenue to decrease when the price of a commodity increase, this is so that buyer will have to react to adjust to the change in price.

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1. The revenue PxQ after price change will be

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This clearly shows that based on the assumed data, the total revenue will drop from1500 to 1200, a total of $300 in a decrease

4 0
2 years ago
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jolli1 [7]

In the attached diagram you can see the graph of the function f(x) = -x^4 + 7x^3 - 9x^2 - 3x + 10.

As you can see graph is:

1. increasing from x = −2 to x = −1

2. decreasing from x = 0 to x = 1

3. decreasing and then increasing from x=1 to x=2

4. increasing from x=2 to x=4.

Answer: correct choice is B.


4 0
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Step-by-step explanation:

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