Sergio is s years old. which expression shows how old he will be 7 years from now? question 5 options: 7s 7 – s s 7 7s 7

Mathematics

1 answer:

notsponge [240]3 years ago

8 0

S+7. Tell your teacher never to use s as a variable ever again.

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nevsk [136]

Answer:

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Step-by-step explanation:

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Use the properties of exponents to rewrite the expression <br> 3•b•b•b•b•b•c•c•c•c•c

frosja888 [35]

$3\cdot b\cdot b\cdot b\cdot b\cdot b\cdot c\cdot c\cdot c\cdot c\cdot c =3b^5c^5$

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3 years ago

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You want to buy a new sports car from roy's cars for $51,800. the contract is in the form of a 48-month annuity due at an apr of

qwelly [4]

The present value of an annuity is given by

$PV= P\left(\frac{1-\left(1+ \frac{r}{t}\right)^{-nt} }{ \frac{r}{t} } \right)$

where: PV is the current value of the annuity, P is the periodic payment, r is the apr, t is the number of compounding in one year and n is the number of years.

Thus, given that PV = $51,800; r = 7.8% = 0.078; t = 12; n = 4.

$51,800= P\left(\frac{1-\left(1+ \frac{0.078}{12}\right)^{-4\times12} }{ \frac{0.078}{12} } \right) \\ \\ =P\left(\frac{1-(1+ 0.0065)^{-48} }{ 0.0065 } \right)=P\left(\frac{1-(1.0065)^{-48} }{ 0.0065 } \right) \\ \\ =P\left(\frac{1-0.7327}{ 0.0065 } \right)=P\left(\frac{0.2673}{ 0.0065 } \right)=41.12P \\ \\ \Rightarrow P= \frac{51,800}{41.12} =\$1,259.73$

Therefore, the <span>monthly payment is $1,259.73</span>

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4 years ago

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ddd [48]

4.1528 rounded to the nearest thousandth is 4.2000

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4 years ago

Six more than the product of a number and 5 is equal to 2

BARSIC [14]

Answer

x=-4/5

Step-by-step explanation:

Let the number be x

6+5x=2

5x=2-6

5x=-4

x=-4/5

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3 years ago