3 years ago

7 in 9 in 5 in what is the volume

Mathematics

1 answer:

Alinara [238K]3 years ago

7 0

Answer:

157.5

Step-by-step explanation:

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-k^2-(3k-5n) +4n;k=-1 and n=-2

Dafna11 [192]

-k^2 - (3k - 5n) + 4n....when k = -1 and n = -2

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The sum of the digits of a two-digit number is 5. If nine is subtracted from the number, the digits will be reversed. Find the n

aivan3 [116]

el número es 32 y si sumamos los dos dígitos suman 5

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tom had a platter of chocolate wafers. he ate 5 of them and then gave his brother 3 he then moved on to his baseball team of 8 m

Aloiza [94]

Tom started with total 72 chocolate wafers.

Explanation

The number of chocolate wafers taken by 8 members of the baseball team are in the sequence : $1, 3,5,7,9,11,13,15$

The above sequence is arithmetic sequence with first term(a₁)= 1 and common difference (d) = 2

Formula for Sum of first $n$ terms in arithmetic sequence is....

$S_{n}= \frac{n}{2}[2a_{1}+(n-1)d]$

So, the Sum of 8 terms in that sequence....

$S_{8}= \frac{8}{2}[2(1)+(8-1)(2)]\\ \\ S_{8}= 4[2+7(2)]\\ \\ S_{8}=4(2+14)\\ \\ S_{8}=4(16)=64$

That means, the total number of chocolate wafers taken by the baseball team members is 64. Tom ate 5 and then gave his brother 3 chocolate wafers at first.

So, the total number of chocolate wafers at starting $=64+5+3=72$

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Vilka [71]

Answer:

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Step-by-step explanation:

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