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Aleks [24]
3 years ago
13

Maria bought seven boxes a week later half of all her boxes were destroyed in a fire there are only 22 boxes left with how many

did she start ?
Mathematics
1 answer:
OlgaM077 [116]3 years ago
8 0

Answer:

Step-by-step explanation:

she started off with 44 boxes

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If f is a linear function, f(k)=16 and f(-k)= -4 then what is the value of f(0)?​
ira [324]

f(0) =  ( f(k) +f(-k) ) / 2

f(0) = (16 - 4) / 2

f(0) = 12 / 2

f(0) = 6  → ANSWER

*Remember that f(0) = m(0) + n = n

If we have f(x) = mx + n, then:

f(k)= mk + n     and       f(-k)= -mk + n

If we add them:

  f(k) + f(-k)

= mk + n -mk + n

= 2n

= 2f(0)

So we conclude that:

f(0) = [f(k) + f(-k)] / 2

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can I get help with this problem as well? I don't want to get it wrong then not be able to get the credit again. It's my last pr
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Check the picture below.

well, the volume of the craft prism will simply be length * width * height, and we know that is 7140.

\textit{volume of a rectangular prism}\\\\ V=Lwh ~~ \begin{cases} L=length\\ w=width\\ h=height\\[-0.5em] \hrulefill\\ L=17\\ h=28\\ V=7140 \end{cases}\implies \begin{array}{llll} 7140=(17)w(28)\implies \cfrac{7140}{(17)(28)}=w \\\\\\ 15=w \end{array}

we know the area of the top is just w * 17, and the circle is just 2/5 of that, well that's just

\cfrac{2}{5}(15)(17)\implies (2)(17)\cfrac{15}{5}\implies (2)(17)3\underset{\textit{area of the circle}}{\implies 102~in^2}

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