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olga_2 [115]
3 years ago
8

Vonna scored 72 goals at soccer practice. Her ratio of goals to misses was 8 to 7. How many times did she miss?

Mathematics
1 answer:
olchik [2.2K]3 years ago
6 0
8:7
72:63
The answer is 63
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Find the linear approximation of f(x)=lnx at x=1 and use it to estimate ln(1.38).
RideAnS [48]
\bf f(x)=y=ln(x)\qquad 
\begin{cases}
x=1\\
y=ln(1)\to y=0
\end{cases}\\\\
-----------------------------\\\\
\left. \cfrac{dy}{dx}=\cfrac{1}{x} \right|_{x=1}\implies 1\impliedby m
\\\\\\
\textit{now, we know that }
\begin{cases}
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\end{cases}\implies y-0=1(x-1)\implies y=x-1

now, you're asked to use it when ln(1.38), which is just another way of saying x = 1.38

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A leaking pond loses 20 gallons of water in 35 hours. How many gallons of water will it lose in 47 hours?
Mama L [17]
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The number of items (N) that can be purchased for a given amount of money is inversely proportional to the cost (C) of an item.
mars1129 [50]

Answer:

436 items

Step-by-step explanation:

When a quantity A is inversely proportional to another quantity B, we can write:

A=\frac{k}{B}

Where k is the proportionality constant  [that we need to find]

For this problem, we can write the ratio as:

N=\frac{k}{C}

Now given N = 480 and C = 4.90, we first find k:

N=\frac{k}{C}\\480=\frac{k}{4.90}\\k=4.90*480\\k=2352

Now, as second step, we need this time to find N, when

C = 5.40

Note, we know know k = 2352, so we find N:

N=\frac{k}{C}\\N=\frac{2352}{5.40}\\N=435.55

Rounding to next whole number, we have 436 items

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Question 14 of 17
kipiarov [429]

Answer:d

Step-by-step explanation:

I’m smart trust me

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Dima020 [189]

Answer:

i will give you the answer

Step-by-step explanation:

but what do you need

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3 years ago
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