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Maksim231197 [3]
2 years ago
11

Ivy and cammie sold tulip and daffodil bulb packages for their spring fundraiser. Ivy sold 12 packages of tulip bulbs (X) and 14

packages of daffodils bulbs (y) for a total of $180.00. Cammie sold 9 packages of tulip bulbs and 16 packages of daffodils bulbs for a total of $168. Which system of linear equations can be used to find the price per package for each of the two kinds of bulbs ?
A) 12x + 14y = 168
9x + 16y = 168

B) 9X + 14y = 180
12X + 16y = 168

C) 12X + 16y = 180
9X + 14y = 168

D) 12X + 14y = 180
9X + 16y = 168
Mathematics
2 answers:
Digiron [165]2 years ago
3 0

Answer:

D)

Step-by-step explanation:

because we need to find the each so its x and y?

Viefleur [7K]2 years ago
3 0

Answer:

D

Step-by-step explanation:

Because ivy sold 12 tulip bulbs for the price of (x) and 14 packages of daffodils bulbs for (y) and that total was $180.

Same thing was done for the bottom equation

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Based on Pythagorean identities, which equation is true? sine squared theta minus 1 = cosine squared theta secant squared theta
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Answer:

Cot^2\theta-Csc^2\theta=-1

Step-by-step explanation:

The only Pythagorean identities are:

1. \ Sin^2\theta+Cos^2\theta=1

2. \ 1+Tan^2\theta=Sec^2\theta

3. \ 1+Cot^2\theta=Csc^2\theta

4. \ Sin^2\theta=1-Cos^2\theta\\  \ \ Cos^2\theta=1-Sin^2\theta

 

Therefore,Cot^2\theta-Csc^2\theta=-1 is correct as it's one of the pythagorean identities.

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2 years ago
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What is the slope of the following 12x - 6y = 30
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Answer:

slope = m = 2

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2 years ago
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A house on the land measures 45 feet by 38 feet,a wooded area covers 118 feet by 60 feet,and the front yard is 78 feet by 40 fee
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Rectanglearea=legnth timees width
triagnlearea=1/2base times height

ok so we find volume of entier land first

we can cut into triangle an rectangle

triangle=height=650-200=450
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area=1/2*600*450=135000 ft^2

rectangle=200 times 600=120000

add
135000+120000=255000ft^2


find other areas and subtract
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areawooded=118*60=7080
frontyard=78*40=3120
add
1710+7080+3120=11910

minus

255000-11910=243090

how many acres are farmed

43560ft^2=1acre
divide both sides by 43560
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multiply both sides by 243090
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answer is 5.6 acer


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2 years ago
Lindy works at a pizza restaurant and gets a 10% employee discount. She knows that if she orders d drinks and a medium pizza wit
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Answer: OPTION D.

Step-by-step explanation:

You know that Lindy's total cost can be found using this expression provided in the exercise:

0.90(2.25d + 1.40t + 6)

Where "d" is the number of drinks she orders and "t" is the number of toppings for a medium pizza she orders.

Since she and her friends to order 4 drinks and a medium pizza with 3 toppings, you can find the total cost by substitute values into the given expression.

The values are:

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Substituting into the expression and evaluating, you get:

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