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2 years ago

X +3y =6? use the x and y intercepts to graph each linear equation. please show all work.

1 answer:

8 0

X and y intercepts
get a graphing paper
when x=0 then the line intercepts or passes through the y axis
when y=0 then the line intecepts or passes through the x axis
so subsitute 0 for x and solve for the y intercept
0+3y=6
3y=6
diivded by 3
y=2
put a point on the y axis 2 units up from thhe origin (0,0) on the y axis

subsitute 0 for y and solve for x intercept
x+3(0)=6
x=6
pput a point on the x axis 6 units to the right of the origin on the x axis

now that you have 2 points, draw a straight line connecting the two points

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What does it mean if your final exam grade is modeled by the function f(x) = 100 - 3.3x?

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Answer:

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3 years ago

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At the beginning of the year, Mr. and Mrs. Smith's portfolio is made up of $200 cash, stocks, with value of $236,000, and bonds

mart [117]

Answer:

4.797% of total return

Step-by-step explanation:

In this case, first, let's gather the data:

Beggining of the year:

200 + 236,000 + 163,000 = 399,200$

End of the year:

200 + 250,000 + 159,000 = 409,200$

This means that between the beggining and the end of the year, Mr Smith only had a gain of 10,000$.

To get the final return, we need to add this gain to the dividens and interest which is:

10,000 + 5,000 + 4,150 = 19,150$

So, the total return would be the percentage between this gaining and the innitial amount:

% = 19,150 / 399,200 * 100

% = 4.797%

And this is the total return.

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3 years ago

It takes Priti 4 hours to drive from Ashdown to Bridgeton at an average speed of 50 mph. She then drives 30 miles from Bridgeton

Sveta_85 [38]

Answer:

Her average speed from Ashdown to Carton is approximately 48.4 mph

Step-by-step explanation:

The time and speed of the motion of Priti are as follows;

The time it takes Priti to drive from Ashdown to Bridgeton, t₁ = 4 hours

The average speed she drove from Ashdown to Bridgeton = 50 mph

The distance she drove from Bridgeton to Carton, d₂ = 30 miles

Her average speed from Bridgeton to Carton = 40 mph

The distance from Ashdown to Bridgeton, d₁ = 50 mph × 4 hours = 200 miles

The time it takes Priti to drive from Bridgeton to Carton, t₂ = 30 miles/(40 mph) = 0.75 hour

Average velocity, $v_{ave}$ = (Total distance traveled, Δd)/(Total time, Δt)

Δd = d₁ + d₂, Δt = t₁ + t₂

Δd = 200 miles + 30 miles = 230 miles

Δt = 4 hours + 0.75 hour = 4.75 hours

∴ The average velocity, $v_{ave}$ = (230 miles)/(4.75 hours)

∴ $v_{ave}$ = (920/19) mph

Her average speed from Ashdown to Carton, rouded to 1 d,p, $v_{ave}$ ≈ 48.4 mph

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3 years ago

Please answer question

sweet-ann [11.9K]

Given;

ABCDE is similar to VWXYZ

so, the corresponding segments are proportional

We need to find the length of XY

XY is corresponding to CD

CD = 1.2 cm

Finding another two corresponding sides

DE = 3.2 cm , YZ = 4 cm

so,

$\begin{gathered} \frac{XY}{CD}=\frac{YZ}{DE} \\ \\ \frac{XY}{1.2}=\frac{4}{3.2} \\ \\ XY=\frac{4}{3.2}\cdot1.2=1.5\operatorname{cm} \end{gathered}$

So, the length of XY = 1.5 cm

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1 year ago

A person walked x feet and half that length again

hjlf

Answer:

3/2x

Step-by-step explanation:

x feet and half x = x+1/2x or 3/2x

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2 years ago