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andre [41]
4 years ago
15

Marc spent 1/4 his monthly budget on food and 3/5 his monthly budget on gasoline he spent 272$ total what was his monthly budget

Mathematics
2 answers:
Fofino [41]4 years ago
8 0
320 dollars. (work null :[ )
drek231 [11]4 years ago
5 0
He spends 272 dollars total. That includes 1/4 + 3/5 of his monthly budget.
Which means:
(1/4 + 3/5) * monthly budget = 272 dollars
solving the equation gets you:
monthly budget = 320 dollars
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in 1950, the U.S. federal budget was $39.4 billion, in 2000, the federal budget was $2025.2 billion. The exponential function is
Slav-nsk [51]

Answer:

The budget in 2010 is $4453.10915 billion

Step-by-step explanation:

We are given exponential function as

f(t)=39.4e^{0.0787932t}

where t is the time in years since 1950

now, we can find time in 2010

t=2010-1950=60

now, we can plug t=60

and we get

f(60)=39.4e^{0.0787932\times 60}

we get

f(60)=4453.10915

So, the budget in 2010 is $4453.10915 billion

3 0
3 years ago
Plz help on rationalising surds
Fittoniya [83]
(√5 + 3)² / √20=
((√5 + 3)² / √20)(√20/√20)=
(√20(√5 + 3)²) / (√20)²=
√20(5+6√5+9) /20=
√20 (14+6√5) /20=
(14√20 +6√100) /20=
(14√20 +60) / 20=
(14(√4√5) + 60) /20=
(14(2)(√5)+60) / 20=
(28√5+60) /20=
(7√5+15) / 5

Answer:(√5 + 3)² / √20= <span>(7√5+15) / 5</span>
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