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kondor19780726 [428]

3 years ago

10

In the standard (x, y) coordinate plane, if the x-coordinate of each point is 2 times the y-coordinate, what is the slope of the

line?
A.-2
B.- 1/2
C.1/2
D.2

1 answer:

uranmaximum [27]3 years ago

3 0

1/2 (Rise over Run)
I hope this helps out :3

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The temperature at noon is -4 degrees the temperature drops 1 1/2 degrees per hour for 4 hours. What is the temperature at 4 pm?

lapo4ka [179]

-4 × -1.5 = -6 degrees. -4 + -6 = -10 degrees

6 0

3 years ago

In 1960, the population of a town was 14 thousand people. Over the course of the next 50 years, the town grew at a rate of 30 pe

andre [41]

SOLUTIONS

Given: Assume y is the population

$\begin{gathered} t=0=1960,y=14030 \\ t=1=1961,y=14060 \\ so\text{ b = 14000} \\ so\text{ k = 30} \end{gathered}$

The town grow at the rate of 30 people per year.

$y=kt+14000$ $y=30t+14000$

(A) The population predicted to be in 2030 will be

$\begin{gathered} 2030-1960=70 \\ y=30k+14000 \\ y=30(70)+14000 \\ y=2100+14000 \\ y=16100people \end{gathered}$

(B) so when y = 15000, find t

$\begin{gathered} y=15000 \\ y=30t+14000 \\ 15000=30t+14000 \\ 15000-14000=30t \\ 1000=30t \\ t=\frac{1000}{30} \\ t\approx33 \\ t=1960+33 \\ t=1993 \end{gathered}$

3 0

10 months ago

an orange is divided into 6 equal wedges Jody eats 1 wedge then she eats 3 more wedges how much of the orange did Jody eat

chubhunter [2.5K]

Out of 6 wedges, Jody eats 4 wedges obviously so he eats 4/6 of the orange or to make it simple 2/3 of it

4 0

3 years ago

Read 2 more answers

What is “6 is 8% of ___?”

TEA [102]

Answer:

75

Step-by-step explanation:

The answer is 75 percent

3 0

3 years ago

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Which constant could each equation be multiplied by to eliminate the x variable in this system of equations? 4x + 5y = 62 5x − 3

qwelly [4]

Answer:

Multiply equation $4x+5y=62$ by 5 and $5x-3y=22$ by 4

Step-by-step explanation:

Given:

Equations are $4x+5y=62,5x-3y=22$

To find: constant by which each equation should be multiplied to eliminate the variable $x$ in the given system of equations

Solution:

$4x+5y=62...(i)\\5x-3y=22...(ii)$

Multiply equation (i) by 5 and (ii) by 4 to get the following equations:

$20x+25y=310\\20x-12y=88$

On subtracting these equations, we get

$(20x+25y)-(20x-12y)=310-88\\\\13y=222$

So, the variable $x$ gets eliminated

7 0

3 years ago