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Tresset [83]
4 years ago
10

A stock grows by 7% every day 3 consecutive days. By what percent has it grown above it’s starting point?

Mathematics
1 answer:
Pepsi [2]4 years ago
5 0

Answer:

22.5%

Step-by-step explanation:

Let the starting amount be x

Recorded below is the amount after:

0 days = x

1 day = x + (7% of x) = 1.07x

2 days = 1.07x + (7% of 1.07x) = 1.1449x

3 days = 1.1449x + (7% of 1.1449) = 1.225x

so by the third day, the total amount is 1.225 times the starting amount(x) or 122.5% meaning it grew by 22.5% in three days.

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What is the equation in slope-intercept form of the line that passes through the points (−26, −11) and (39, 34)?
Scrat [10]

The equation in slope-intercept form of the line passing through the given points is: C. y = \frac{9}{13}x + 7

<u>Given the following points:</u>

  • Points on the x-axis = (-26, 39)
  • Points on the y-axis = (-11, 34)

To find the equation in slope-intercept form of the line passing through the given points:

Mathematically, the equation of slope is calculated by using this:

Slope. \;m = \frac{Change \; in \; y \;axis}{Change \; in \; x \;axis} \\\\Slope. \;m = \frac{y_2 - y_1}{x_2 - x_1}

Substituting the given points, we have:

Slope. \;m  = \frac{34 - [-11]}{39 - (-26)}\\\\Slope. \;m  = \frac{34\; + \;11}{39 \;+ \; 26}\\\\Slope. \;m  = \frac{45}{65}\\\\Slope. \;m  = \frac{9}{13}

The standard form of an equation of line is given by the formula;

y = mx + b

Where:

  • x and y are the points.
  • m is the slope.
  • b is the intercept.

We would find the intercept:

-11 = \frac{9}{13}(-26) + b\\\\ -11 = -18 + b\\\\b = -11 + 18

Intercept, b = 7

The equation in slope-intercept form of the line is:

y = \frac{9}{13}x + 7

Read more: brainly.com/question/18123312

3 0
3 years ago
What is the value of A when we rewrite 3.14^159x as A^x?
slavikrds [6]

The rule we'll use is

p^(q*r) = (p^q)^r

The exponents have been rearranged a bit.

In this case, p = 3.14, q = 159 and r = x, so,

p^(q*r) = (p^q)^r

3.14^(159*x) = (3.14^159)^x

This is in the form A^x with A = 3.14^159

3 0
3 years ago
Please help me understand
ioda

9514 1404 393

Answer:

  C.  18 inches

Step-by-step explanation:

The median of a trapezoid is the line segment that joins the midpoints of the sides of the trapezoid. It is halfway between the parallel bases, and is parallel to them. It length is the average of the lengths of the two bases:

  (15 +21)/2 = 36/2 = 18 . . . . inches

7 0
3 years ago
2= d-11/3 <br><br> 100 points if u answer pls help asap
hjlf

Answer:

i hope this works

Step-by-step explanation:

d=17/3

d=5.666

d=5 2/3

8 0
3 years ago
Read 2 more answers
6(x-2)=5x+3x+8 solve for x.
Mnenie [13.5K]

Answer:

x = -10

Step-by-step explanation:

 6 • (x - 2) -  (8x + 8)  = 0

Pulling out like terms :

3.1     Pull out like factors :

  -2x - 20  =   -2 • (x + 10)

Equation at the end of step  3  :

 -2 • (x + 10)  = 0

Equations which are never true :

4.1      Solve :    -2   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Solving a Single Variable Equation :

4.2      Solve  :    x+10 = 0

Subtract  10  from both sides of the equation :

                     x = -10

One solution was found :

                  x = -10

Processing ends successfully

plz mark me as brainliest :)

4 0
3 years ago
Read 2 more answers
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