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Wewaii [24]
2 years ago
7

Elmo received a $128 gift card . Elmer used to buy bagels that cost $1.13 per pound. Elmer has $67.80 left on the gift card. How

many bagels did Elmer buy? Round to the nearest hundredth
Mathematics
1 answer:
dusya [7]2 years ago
4 0

Answer:

53.27

Step-by-step explanation:

I first subtracted $128 from $67.80

Which equaled $60.2 which I then divided by $1.13

Which than gave me my answer of 53.27

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alukav5142 [94]

f-354=1221           <em>add 354 to both sides</em>

f+354-354=1221+354\\\\\boxed{f=1,575}\to\boxed{D.}

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Write the function for the following chart,
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sp2606 [1]

\displaystyle\\Answer:\ x=\sqrt{2}\ \ \ \ \ x=-\sqrt{2}\ \ \ \ \ x=\frac{ln5}{2}

Step-by-step explanation:

5x^2-x^2e^{2x}+2e^{2x}=10

Let:\ x^2=t  \ \ \ \ \ e^{2x}=v\\Hence,\\5t-tv+2v^2=10\\5t-tv+2v^2-10=10-10\\5t-tv-10+2v^2=0\\t(5-v)-2(5-v)=0\\(5-v)(t-2)=0\\5-v=0\\5-v+v=0+v\\5=v\\5=e^{2x}

<em>Prologarithmize both parts of the equation:</em>

ln5=lne^{2x}\\ln5=2x*lne\\ln5=2x*1\\ln5=2x\\

<u><em> Divide both parts of the equation by 2:</em></u>

\displaystyle\\x=\frac{ln5}{2}

t-2=0\\t-2+2=0+2\\t=2\\x^2=2\\x=\sqrt{2} \\x=-\sqrt{2}

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1 year ago
Please help ASAP 25 pts + brainliest to right/best answer
MariettaO [177]

Let log5 125 = x

Removing log you get 5^x = 125

Rewrite 125 as 5^3

Now 5^x = 5^3

x = 3

7 0
3 years ago
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