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2 years ago

Determine the slope of the line passing through the given points. (-2, -2) and (-2, 3)

Mathematics

1 answer:

saveliy_v [14]2 years ago

7 0

Answer:

Point-Slope: -2

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Anna wants to buy a car in two years and wants to have $10,000 for the purchase. How much will Anna need to deposit today in an

Brut [27]

Answer:

Anna will need to deposit $\$9,050.25$

Step-by-step explanation:

we know that

The compound interest formula is equal to

$A=P(1+\frac{r}{n})^{nt}$

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest in decimal

t is Number of Time Periods

n is the number of times interest is compounded per year

in this problem we have

$t=2\ years\\A=\$10,000\\ r=0.05\\n=12$

substitute in the formula above and solve for P

$10,000=P(1+\frac{0.05}{12})^{12*2}$

$10,000=P(1.0042)^{24}$

$P=10,000/(1.0042)^{24}$

$P=\$9,050.25$

8 0

2 years ago

Write an equation of a line in point-slope form that has a slope of -2 and passes through (5, -1).

gavmur [86]

Answer:

$y+1=-2(x-5)$

Step-by-step explanation:

We can write the equation of a line in 3 different forms including slope intercept, point-slope, and standard depending on the information we have. We have a point given and a slope from the equation. We will chose point-slope since we have a point and the slope.

We will substitute $m=-2$ and $x_1=5\\y_1=-1$ .

$y-(-1)=-2 (x-5)$

$y+1=-2(x-5)$

This is the equation of the line with slope -2 that passes through (5,-1).

8 0

2 years ago

If a semi truck's trailer is 40 feet long, 10 feet wide, and has a height of 8 feet, what is its volume?

Temka [501]

First multiply 40 and 10 to get 400. Then multiply 400 by 8 to get 3,200.

Your answer would be: 3,200

8 0

2 years ago

What is -15x=0 solution

cricket20 [7]

Here is the method for solving that equation:

Step #1: Write the equation:

-15x = 0

Step #2: Divide each side of the equation by -15 :

<u>x = 0</u>

3 0

3 years ago

X² - y² = z²<br>Express y in terms of x and z.<br>

lord [1]

Answer:

y² = x² - z²

Step-by-step explanation:

x² - y² = z²

Transpose y the other side

x² - z² = y²

y² = x² - z²

8 0

2 years ago

Read 2 more answers