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hammer [34]
3 years ago
8

$800 deposit over 10 years with an interest rate of 2%

Mathematics
1 answer:
TiliK225 [7]3 years ago
8 0

Answer:

the interest is 960.

Step-by-step explanation:

the formula: I=prt    i=interest p= pricipal [the money you start with]

r= rate t= time

I=?                                                     I= 800 (0.02) (10)

P= $800                                           I= 160+ 800 {because $160 is added}

R= 2% --> 0.02 [as a decimal]         I= $960

T= 10 years

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What is the value of x2y , when x = 10 and y = 1? 1/10 15 5 10
dusya [7]

it is 20 the answer isnt included.

6 0
3 years ago
A rectangular field has a length that is 90 feet more than twice the width of the field. If the area of the field is 58,500 squa
iragen [17]

Answer:

D. 150 feet

Step-by-step explanation:

The formula for the area of a rectangle is:  area = lw, where l = length and w = width.  In this case, the length is defined as '90 feet more than twice the width' or l = 2w + 90.  If we put this expression in for the value of 'l' in our formula for area we get:

area = w(2w +90), distribute: area = 2w² + 90w = 58500

Subtracting 58500 from both sides, we get the following polynomial:

2w² + 90w - 58500

We can divide all the terms by '2' to simplify:

w² + 45w - 29250

Next, we look for the two factors of 29,250 that will add up to 45, which is -150 and +190 to factor our polynomial:

(w - 150)(w + 190) = 0

Setting both equations equal to 0 and solving for w:

w - 150 = 0 or w = 150

w + 190 = 0 or w = -190

Since our with can not be negative, then the correct width of the field is 150 ft.

6 0
3 years ago
Calificación mínima. Para obtener una A en un curso, Stephen Heasley debe
Snowcat [4.5K]

Answer:

La mínima calificación que Stephen puede recibir en el quinto examen  para obtener una A en el curso es 98.

Step-by-step explanation:

La media (también llamada promedio o media aritmética) de un conjunto de datos es una medida de posición central. Es el valor obtenido al sumar todos los datos y dividir el resultado entre el número total de datos.

En este caso, el número total de datos es 5 y el valor de los datos de los cuales debes obtener el problema es 92, 87, 96, 77 y un valor desconocido de un quinto examen. Y sabes que este valor debe ser igual o mayor a 90.

Esto se expresa matemáticamente como:

\frac{92+87+96+77+nota}{5}≥90

donde "nota" es la mínima calificación que Stephen puede recibir en el quinto examen para obtener una A en el curso.

Resolviendo:

\frac{352+nota}{5}≥90

352+nota≥90*5

352+nota≥450

nota≥450 - 352

nota≥98

<u><em>La mínima calificación que Stephen puede recibir en el quinto examen  para obtener una A en el curso es 98.</em></u>

3 0
3 years ago
What is the exponential function represented by the table below?
Anastasy [175]

Answer:

  f(x) = 14(3/2)^x

Step-by-step explanation:

The function can be written ...

  f(x) = a(b^x)

where a = f(0), and b = f(1)/f(0). The table tells us ...

  a = f(0) = 14

  b = f(1)/f(0) = 21/14 = 3/2

The exponential function can be written ...

  f(x) = 14(3/2)^x

5 0
2 years ago
Which steps could be used to solve this story problem?
Vedmedyk [2.9K]
Multiply 10 and 3 then subtract five from 10 add the product and the difference add that sum to 10
3 0
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