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3 years ago

I Need Help , Help Me Out Please !!!!

Mathematics

1 answer:

Dafna11 [192]3 years ago

6 0

very positive about these results

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Tarting at home, Emily traveled uphill to the hardware store for 60 minutes at just 6 mph. She then traveled back home along the

erik [133]

6+12=18

18÷2=9

Emilys average speed is 9mph

6 0

3 years ago

A company that makes robotic vacuums claims their newest model of vacuum lasts, on average, two hours when starting on a full ch

il63 [147K]

Answer:

The answer is C. H0: μ = 2 versus Ha: μ ≠ 2, where μ = the true mean run time for all vacuums of this model

Step-by-step explanation:

EDGE 2021

4 0

3 years ago

How many solutions are there to the system of equations?

hichkok12 [17]

Answer: The system of equations has NO SOLUTION.

Step-by-step explanation:

The equation of the line in Slope-Intercept form is:

$y=mx+b$

Where "m" is the slope and "b" is the y-intercept.

Given the following system of equations:

$\left \{ {{4x-5y=5} \atop {-0.08x+0.10y=0.10}} \right.$

Write the first equation and solve for "y" in order to express it in Slope-Intercept form:

$4x-5y=5\\\\-5y=-4x+5\\\\y=\frac{-4x}{-5}+\frac{5}{-5}\\\\y=0.8x-1$

You can identify that:

$m=0.8\\b=-1$

Apply the same procedure with the second equation. Then:

$-0.08x+0.10y=0.10\\\\0.10y=0.08x+0.10\\\\y=\frac{0.08x}{0.10} +\frac{0.10}{0.10}\\\\y=0.8x+1$

You can identify that:

$m=0.8\\b=1$

The slopes of both lines are equal, therefore the lines are parallel and the system has NO SOLUTION.

7 0

4 years ago

Read 2 more answers

16 divided by 2 4/5 in simplest form

Irina18 [472]

16 divided by 2 4/5

change 2 4/5 to an improper fraction

2 4/5 = (5*2+4)/5 = 14/5

16 divided by 14/5

copy dot flip

16 * 5/14

rearrange to make the math easier

16/14 *5

8/7 *5

40/7

7 goes into 40 5 times with 5 left over

5 5/7

4 0

4 years ago

Read 2 more answers

Use any place value strategy to decide 3,600/9

Rina8888 [55]

Since 36/9= 4
3600/9=400

<span>-Hope this helps :)</span>

3 0

3 years ago