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Kobotan [32]
3 years ago
8

If you invest $1,500 today in a bank that gives you a 5 percent annual interest rate, which of these items can you buy in two ye

ars?
electronics worth $1,650
fitness equipment worth $1,700
a holiday package worth $2,000
Mathematics
2 answers:
kirill115 [55]3 years ago
8 0

Answer:

your answer would be a, electronics worth $1,650

Step-by-step explanation:


Andre45 [30]3 years ago
3 0
<span>First, we must calculate the amount that will be available after two years. This is given by: Amount = initial amount * (1 + interest rate)^time Amount = 1500 * (1 + 0.05)^2 Amount = $1,653.75 Therefore, the only items you can buy using this amount are the electronics worth $1,650</span>
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Guys do you know this?
TEA [102]

Answer:

That would be 2/7

Step-by-step explanation:

Using substitution. x^2 +x+1 at 1 is 7

sqrt4 is 2

2/7

6 0
2 years ago
A baseball is hit and its height is given by h = 29.4t – 4. 9t^2, where h is the
ioda

Answer:

44.1m

Step-by-step explanation:

we are given a quadratic function which represents the height and time of a baseball

\displaystyle h = 29.4t - 4.9 {t}^{2}

we want to figure out maximum height of

the baseball

since the given function is a quadratic function so we have a parabola

which means figuring out the maximum height is the same thing as figuring out the maximum y coordinate (vertex)

to do so we can use some special formulas

recall that,

\displaystyle \rm t= \frac{ - b}{  2a}

\displaystyle H_{\text{max}}=f(t)

notice that, our given function is not in standard form i.e

\displaystyle f(x) = a {x}^{2}  + bx + c

let's make it so

\displaystyle h =  - 4.9 {t}^{2}  + 29.4t

therefore we got

our <em>a</em> is -4.9 and <em>b </em>is 29.4

so substitute:

\displaystyle\rm t=  \frac{ -( 29.4)}{  2 \cdot - 4.9}

remove parentheses and change its sign:

\displaystyle\rm t=  \frac{ -29.4}{  2 \cdot - 4.9}

simplify multiplication:

\displaystyle\rm t=  \frac{ -29.4}{  - 9.8}

simplify division:

\displaystyle  \: t  = 3

so we have figured out the time when the baseball will reach the maximum height

now we have to figure out the height

to do so

substitute the got value of time to our given function

\displaystyle H_{\text{max}}=29.4\cdot 3-4.9\cdot {3}^2

simplify square:

\displaystyle H_{\text{max}}=29.4\cdot 3-4.9\cdot 9

simplify mutilation:

\displaystyle H_{\text{max}}=88.2-44.1

simplify substraction:

\displaystyle H_{\text{max}}=44.1

hence,

the maximum height of the baseball is 44.1 metres

4 0
3 years ago
Read 2 more answers
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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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