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3 years ago

Calculate compound interest

Mathematics

2 answers:

fgiga [73]3 years ago

5 0

Answer: $16119

Step-by-step explanation:

A = p(1+r/n)^nt

80000 = p(1+0.09/4)^4x18

80000 = p(1.0225)^72

p = 16118.74

Dmitry [639]3 years ago

4 0

Answer:

Step-by-step explanation:

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What is the slope of the line that passes through the points (6,−10) and (3, -13) ?

vodka [1.7K]

Answer:

m = 1

Step-by-step explanation:

m = (-13 - - 10) / (3 - 6)

m = -3/-3

m = 1

8 0

2 years ago

Find an equation (in term of x) of line through the points (-1,3) and (1,4)

Serjik [45]

ANSWER

The equation is
$2y - x = 7$

EXPLANATION

The equation of the line that passes through the point (-1,3) and (1,4) can be found using the formula,

$y-y_1=m(x-x_1)$

where

$m = \frac{4 - 3}{1 - - 1}$

$m = \frac{1}{2}$
is the slope and

$(x_1,y_1)$
is a point on the line.

The equation of the line becomes,

$y - 4 = \frac{1}{2} (x - 1)$

Multiply through by 2 to get,.

$2y - 8 = x - 1$

Or

$2y - x = 7$

4 0

3 years ago

Help with number 8 plz and tell me how you did it!

yulyashka [42]

Well, there are 0.25 quarts in a cup so if Krystal makes 18 cups of soup, she can serve 72 guests! because,
0.25 divided by 18 = 72! :)

7 0

3 years ago

Which functions have graphs that are steeper than the graph of f(x)=−3x^2?

netineya [11]

Answer:

g(x)=−4x^2 and m(x)=4x^2

Step-by-step explanation:

A horizontal stretch or shrink happens when you multiply the parent function (in this case f(x) = x²) by a number. If this number is between 0 and 1, the graph will be stretched horizontally. If this number is greater than 1, the graph will be shrunk horizontally. If the number is between -1 and 0, the graph will be stretched horizontally and flipped; if the number is less than -1, the graph will be shrunk horizontally and flipped.

The graphs that are horizontally shrunk are steeper than the others. This is m(x)=4x^2 and g(x) = -4x^2.

8 0

3 years ago

Simplify the expression.<br> : 8 - 2(3)

Maru [420]

Answer: the answer is just 2

7 0

3 years ago