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Ulleksa [173]
3 years ago
6

Need help on these question

Mathematics
1 answer:
hoa [83]3 years ago
6 0

1.

* D'C'

* 90

2.

* C (10, -5)

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Jane , Andre and Maria picked 840 pounds of apples. Andre picked 3 times as many as Maria. Jane picks 2 times as many as Andre.
Galina-37 [17]
To answer the problem, let x be the number of apples Maria picked. By this representation, the number of apples Andre picked is 3x and that Jane picked 6x apples. The sum of all apples picked is 840. The equation that represent the situation is,
 
                                 x + 3x + 6x = 840   ; x = 84 

Andre picked 3x apples. Thus, Andre picked 252 apples. 

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3 years ago
Suppose that the amount of algae in pound doubles every hour. If the pond initially contains 50 pounds of algae how much algae w
musickatia [10]

Answer:

250

Step-by-step explanation:

because 50 + (4 x 50) that equals 50 + 200 = 250

3 0
2 years ago
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Name the coordinates of the points
arsen [322]

Answer:

D(-3,3)

E(3,-2)

F(-3,-2)

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Luis wants to buy a skateboard that usually sells for $135. At big AL's they are discounted 20%. What is the total cost of the s
tino4ka555 [31]

Answer:

117.99

Step-by-step explanation:

First step is to find the discount

Discount = original price * discount rate

               = 135 * 20%

                = 135*.20

                 =27

Take the discount from the original price and that is the new price

new price = original price - discount

                 = 135-27

                 =108

Now we need to find the tax

tax = new price * tax rate

       = 108 * 9.25%

       = 108 * .0925

        =9.99

The final price is the new price plus the tax

final price = new price + tax

                 = 108+9.99

                 =117.99

4 0
3 years ago
What is the area of the composite shape?
yuradex [85]

Answer:

the ...ha answer is =99 in.^3

5 0
2 years ago
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