3 years ago

Danielle had $67 in her piggy bank. She has been saving and currently has $100.50 in her

Mathematics

1 answer:

Shkiper50 [21]3 years ago

3 0

Answer:

she got 33.50 more than she did so she would have over 33% increase

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Help and explain explain !!!!!!!!!!

tigry1 [53]

Answer:

$x=-1\text{ or }x=11$

Step-by-step explanation:

For $a=|b|$ , we have two cases:

$\begin{cases}a=b,\\a=-b\end{cases}$

Therefore, for $18=|15-3x|$ , we have the following cases:

$\begin{cases}18=15-3x,\\18=-(15-3x)\end{cases}$

Solving, we have:

$\begin{cases}18=15-3x, -3x=3, x=\boxed{-1},\\18=-(15-3x), 18=-15+3x, 33=3x, x=\boxed{11}\end{cases}$ .

Therefore,

$\implies \boxed{x=-1\text{ or }x=11}$

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2 years ago

Unit 2 Logic and Proof Homework 1 Inductive reasoning

fomenos

Answer:#1. 13, 18, 23, 28, 33, 38, 4, 48, 53

To generate the next term, add 5 to the previous term.

Step-by-step explanation:18-13=5 see if it is the same for the others and go from there.

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1 year ago

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High temperatures were recorded for 30 consecutive days: 50, 45, 49, 50, 43, 49, 50, 49, 45, 49, 47, 47, 44, 51, 51, 44, 47, 46,

Simora [160]

The answer is 21, you subtract the smallest number (30) by the biggest number (51)

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2 years ago

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What does this equal? 3(x+5)=7-x

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3(x+5)=7-x3x+15=7-x4x=-8x=-2

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3 years ago

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the price of a gallon of unleaded gas was $2.86 yesterday. today, the price fell to $2.79. find the percent decrease. round answ

soldier1979 [14.2K]

So.. 2.86 - 2.79 is the amount in decrease or 0.07

so.. if we take 2.86 as the 100%, how much is 0.07 of that in percentage?

well $\bf \begin{array}{ccllll}
amount&\%\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
2.86&100\\
0.07&x
\end{array}\implies \cfrac{2.86}{0.07}=\cfrac{100}{x}$

solve for "x"

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2 years ago