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Lilit [14]
3 years ago
8

ellie and heather drew floor models of their living rooms Ellie s model represented 20 feet by 15 feet heathers model represente

d 18 feet by 18 feet whose floor model represents the greater area how much greater
Mathematics
1 answer:
tatiyna3 years ago
3 0
Heather's model is larger than Ellie's. Heathers is 324 and Ellie's is 300.
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josh bought followers for nancy. he spent a total of $14.85 and bought 13 flowers. if he knows lilies cost $1.25 and tulips cost
Serjik [45]

Answer:

x = lillies

y = tulips

x + y = 13

1.25x + .90y = 14.85

-1.25x - 1.25y = -16.25

1.25x + .90y = 14.85

-0.35y = -1.40

y = 4 tulips

x + 4 = 13

x = 9 lillies

(9 lillies, 4 tulips)

Step-by-step explanation:

8 0
3 years ago
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Someonee helppp meee pleaseee
BARSIC [14]
8.3% is ur answer hope this helps 
3 0
3 years ago
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At the Beijing Olympics,
eduard
It is 25% okay bruv
6 0
3 years ago
Logarithm 2. The alkalinity of a fluid (pH) can be modeled in terms of its hydrogen ion concentration (H^+,measured in moles/lit
makkiz [27]

ok. We are given the following equation:

ph=-\log (H)

Where:

\begin{gathered} P=\text{ alkalinity} \\ H=\text{ hydrogen ion concentration} \end{gathered}

Since we are asked to determine "H" we will solve for "H" in the equation. To do that we will first multiply both sides by -1:

-ph=\log (H)

Now, we will use the following property of logarithms:

\log _aB=c\rightarrow B=a^c

Applying the property and having into account that:

\log (H)=\log _{10}(H)

We get:

10^{-pH}=H

Now we substitute the given value of "pH = 4.5":

10^{-4.5}=H

Solving the operation:

0.000032=H

Therefore, the hydrogen ion concentration of the fluid is 0.000032

7 0
1 year ago
What is the answer to 17+(9-6)×(12÷3)
Dvinal [7]

Answer:

17 + (9 - 6)(12 ÷ 3) =

17 + (3)(4) =

17 + 12 =

29

7 0
3 years ago
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