2 years ago

Statements Reasons

Mathematics

1 answer:

grin007 [14]2 years ago

8 0

Answer:

we45r67876t5r432345r656787656745678909876543234567898765432

Step-by-step explanation:

3e4r5t6y7u86787654567894567876543456

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a gas-filled balloon rises 40 feet in the 1st minute, 60 feet in the 2nd minute, and 80 feet in the 3rd minute, how many feet wi

vladimir2022 [97]

Let $g_n$ represent the number of feet that the balloon rises in the $n^{th}$ minute.

so

$g_1=40$ ft , means that in the 1st minute, the balloon rose 40 feet

$g_2=60$ ft, means : in the 2nd minute the balloon rose 60 feet

$g_3=80$

we notice that each minute, the balloon rises a multiple of 20, feet:

$g_1=40=2*20$

$g_2=60=3*20$

$g_3=80=4*20$

so it is clear that $g_n=(n+1)*20$

during the 15th minute the balloon rises $g_1_5=16*20=320$ (feet)

Answer: 320

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3 years ago

Find the area of the shape shown below

PSYCHO15rus [73]

Add the top and bottom together, divide by 2, then multiply by the height:

Area = (7.5 + 2.5)/2 x 2.5

Area = 10/2 x 2.5

Area = 5 x 2.5

Area = 12.5 square units.

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3 years ago

7.5% of 140 is what number?

posledela

Answer:

10.5

Step-by-step explanation:

0.075*140=10.5

of= *

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3 years ago

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19 is 20%of what number

zloy xaker [14]

Answer:

19 is 20% of 95.

Step-by-step explanation:

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What is -2xm = 1, for x

Evgesh-ka [11]

Answer:

x = 1/2m

Step-by-step explanation:

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