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navik [9.2K]
3 years ago
10

PLEASE I NEED HELP ASAP ITS ALMOST DUE

Mathematics
1 answer:
Liula [17]3 years ago
5 0
I would THINK it’s 9???? I’m not sure
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Write 64,120 in scientific notation
Sladkaya [172]
The answer would be 6.412 × 10^4
7 0
3 years ago
Read 2 more answers
03,
Nataly_w [17]

Answer:

x = 5

Step-by-step explanation:

(7x + 16) = 90 - 39

7x + 16 = 51

7x = 51 - 16 = 35

x = 5

6 0
2 years ago
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A population of 805 cheetahs decreases by 10% per year. How many cheetahs will there be in the population after 6 years?
Phantasy [73]

Answer:

Step-by-step explanation:

y = a(b)^x

a would represent the initial value.

b would represent the change

x represents the number of years

y = 805(0.9)^6

y = 805(0.531441)

y = 427.8

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4 0
2 years ago
The radius of Circle A is 6 mm. The radius of Circle B is 4 mm greater than the radius of Circle A. The radius of Circle C is 2
labwork [276]

Answer:

Area of circle A =113.14 mm²

Area of circle b = 314.29 mm²

Area of circle C = 452.57 mm²

Area of circle A = 254.57 mm²

2.25 times

Step-by-step explanation:

Area of a circle = nr²

where n = 22/7

r = radius

Circle A's radius = 6mm

Circle B's radius = 6mm + 4mm = 10mm

Circle C's radius = 10mm + 2mm = 12mm

Circle D's radius = 12mm - 3mm = 9mm

Area of circle A = (22/7) x 6² = 113.14 mm²

Area of circle b = (22/7) x 10² = 314.29 mm²

Area of circle C = (22/7) x 12² = 452.57 mm²

Area of circle A = (22/7) x 9² = 254.57 mm²

Number of times the area of circle D is greater than that circle A = Area of circle D / Area of circle A

254.57 mm² / 113.14 mm² = 2.25 times

4 0
3 years ago
What is the solution of |2x| = –4?
DENIUS [597]
-2x=-4 or x=2
2x =-4 or x=-2
7 0
3 years ago
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