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3 years ago

Elena's account balance with her parents is -5.50$ she adds a certain amount of money to her balance by mowing

Mathematics

2 answers:

8090 [49]3 years ago

4 0

Answer:

big dawg

Step-by-step explanation:happy

ra1l [238]3 years ago

4 0

It appears as though you didnt ask the full question. Therefore, I don't understand the question. I'm sorry. Please forgive me.

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The length of the subway is 113 miles. if 4.1 inches represents 677 miles, what is the length of the subway on the map? Round yo

ad-work [718]

Answer:

0.68 inches (nearest hundredth)

Step-by-step explanation:

First, find the length on the map that represents 1 mile of the subway.

677 miles ----- 4.1 inches

1 mile ----- 4.1 ÷ 677= 0.0060561 inches (5 s.f.)

Multiply both sides by 113:

113 miles ----- 113(0.0060561)= 0.68 inches (nearest hundredth)

Thus, the length of the subway on the map is 0.68 inches.

4 0

2 years ago

Which equation or graph represents a non proportional relationship

Ad libitum [116K]

Answer:

Step-by-step explanation:

The answer is A

7 0

3 years ago

You purchased a computer for your business for $800 using straight line depreciation, the amount of depreciation allowed for eac

liberstina [14]

Answer:

this is a linear function

Step-by-step explanation:

y = a + bx

in this case:

y = 800 - 114.29x

where:

y = accumulated depreciation

x = number of years

year accumulated

(x) depreciation (y)

0 0

1 114.29

2 228.58

3 342.87

4 457.16

5 571.45

6 685.74

7 800

6 0

3 years ago

A finite geometric series is the sum of a sequence of numbers. Take the sequence 1, 2, 4, 8, … , for example. Notice that each n

Anna [14]

Answer:

Step-by-step explanation:

3 0

2 years ago

Write the equation of the line perpendicular to 2x+3y=9 that passes through (-2,5). Write your answer in slope-intercept form. S

Harman [31]

ANSWER

$y = \frac{3}{2} x + 8$

EXPLANATION

The line given to us has equation,

$2x + 3y = 9$

We need to write this equation in the slope intercept form to obtain,

$3y = - 2x + 9$

$\Rightarrow \: y = - \frac{2}{3}x + 3$

The slope of this line is

$m_1 = - \frac{2}{3}$
Let the slope of the perpendicular line be

$m_2$

Then
$m_1 \times m_2 = - 1$

$- \frac{2}{3} m_2= - 1$

This implies that,

$m_2 = - 1 \times - \frac{3}{2}$

$m_2 = \frac{3}{2}$

Let the equation of the perpendicular line be,

$y = mx + b$

We substitute the slope to get,

$y = \frac{3}{2} x + b$

Since this line passes through
$(-2,5)$
it must satisfy its equation.

This means that,

$5= \frac{3}{2} ( - 2)+ b$

$5 = - 3 + b$

$5 + 3 = b$

$b = 8$

Wherefore the slope-intercept form is

$y = \frac{3}{2} x + 8$

6 0

3 years ago