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Alenkasestr [34]
3 years ago
9

Subtract. (2x4−x2+5x−2)−(−x4+3x3+2x2−1)

Mathematics
1 answer:
Maurinko [17]3 years ago
5 0

Answer:

477 I think

Step-by-step explanation:

hope this helps

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An orange traffic cone has a diameter of 10 in. and a height of 28 in.
masha68 [24]

Answer:

733 inches

Step-by-step explanation:

V= 3.14*5^2*28/3

Order of Operations (PEMDAS)

5^2=25

25*3.14= 78.5

78.5*28= 2198

2198/3=732.66

Round to nearest cubic inch

733 inches

8 0
3 years ago
If y varies directly as the x^2 and y = 200 when x = 5, what is the value of y when x = -3?
gayaneshka [121]
As the variation is direct we have:
 y = kx ^ 2

 We must find the value of k.
 For this, we use the following data:
 y = 200 when x = 5
 Substituting values we have:
 200 = k5 ^ 2

 Clearing k:
 k = 200/5 ^ 2

k = 200/25

k = 8
 Then, the function is:
 y = 8x ^ 2

 We evaluate the function for x = -3
 y = 8 (-3) ^ 2

y = 8 (9)

y = 72
 Answer:
 the value of y when x = -3 is:
 c.
 
72
6 0
3 years ago
The diameter of the circle that a shot-putter stands in is 7 ft. What is the approximate area of the circle?
Andrei [34K]

Answer:

24?

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Brian is riding his bike. He biked a distance of 14 miles at a rate of 14 miles per hour. Rearrange the distance formula, d = rt
xeze [42]

Answer:

60 minutes

Step-by-step explanation -

14=14t

14*1=14

6 0
2 years ago
You invest $1,250 in a stock. The value of the stock goes up 3.2% and you sell it. How much money did you make?
suter [353]

Answer:

$1290

Step-by-step explanation:

1250x3.2%=40

1250+40=1290

4 0
3 years ago
Read 2 more answers
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