Ask question

Ask question

All categories

3 years ago

15

What’s the answer to this problem???

1 answer:

Snowcat [4.5K]3 years ago

8 0

Rewrite the equation into slope intercept form:
8y = -5x+16

divide everything by 8 to get just y
y = -5/8x+2

the slope = -5/8

You might be interested in

4000 dollars is placed in an account with an annual interest rate of 7.25%. To the

Katarina [22]

Answer:

27

Step-by-step explanation:

7 0

3 years ago

The coordinates of AB are A(-5, -1) and B(-2, -6). If AC : CB = 3 : 7, what are the coordinates of point C?

navik [9.2K]

$\text{Let the coordinates of AB are }A(-5,-1), \text{ and }B(-2, -6)\\
\\
\text{let the coordinate of th point C be (x, y), such that}\\
\\
AC:CB=3:7\\
\\
\text{By the section formula, we know that if P(x,y) lies on a line segment AB}\\
\text{where, }A(x_1,y_1), \ B(x_2,y_2)\text{ and satisfy the ratio, }AP:PB=m:n, \text{ then}$

$P=\left ( \frac{mx_2+nx_1}{m+n}, \ \frac{my_2+ny_1}{m+n} \right ).\\
\\
\text{So using this formula, we get for the given problem}\\
\\
C=\left ( \frac{3(-2)+7(-5)}{3+7}, \ \frac{3(-6)+7(-1)}{3+7} \right )\\
\\
\Rightarrow C=\left ( \frac{-6-35}{10}, \ \frac{-18-7}{10} \right )\\
\\
\Rightarrow C=\left ( \frac{-41}{10}, \ \frac{-25}{10} \right )\\
\\
\Rightarrow C=\left ( -4.1, \ -2.5 \right )$

Coordinates of the point C is: (-4.1, -2.5)

5 0

4 years ago

Write this expression with a positive exponent and then simplify.<br> 9a^-1

slamgirl [31]

When you have a negative exponent, you move the base with the negative exponent to the other side of the fraction to make the exponent positive.

For example:

$5^{-2}$ or $\frac{5^{-2}}{1}=\frac{1}{5^2} =\frac{1}{25}$

$\frac{1}{x^{-4}}=\frac{x^4}{1}$ or $x^4$

$3x^{-5}$ or $3^1x^{-5}=\frac{3}{x^5}$

$9a^{-1}$ Make the exponent positive

$\frac{9}{a}$ (this is as far as you can simplify)

8 0

3 years ago

How much does a customer at David's

alina1380 [7]

Answer:

The solution as an ordered pair is (3,21)

Step-by-step explanation:

<u><em>The complete question is</em></u>

At David's skateboard shop, customers pay an upfront fee of $12 and then pay $3 per hour for each hour they use the skateboard.

How much does a customer at David's skateboard shop pay to rent a skateboard for 3 hours?

Write your answer as an ordered pair (h,C)

we know that

The linear equation in slope intercept form is equal to

$C=mh+b$

where

C is the total cost to rent a skateboard

h is the number of hours

m is the slope or unit rate

b is the initial value (the C-intercept)

In this problem we have

The slope is equal to

$m=\$3\ per\ hour$

The C-intercept or initial value is

$b=\$12$

substitute

$C=3h+12$

For h=3 hours

substitute in the linear equation

$C=3(3)+12=\$21$

therefore

The solution as an ordered pair is (3,21)

4 0

3 years ago

I need help, can someone please help me!!

ololo11 [35]

Your Answer is C bud There ya go

3 0

3 years ago