3 years ago

When graphing a system of equations with INFINITE SOLUTIONS,

Mathematics

2 answers:

Nata [24]3 years ago

6 0

The slopes of the two lines will be straight

vaieri [72.5K]3 years ago

4 0

Answer:

Step-by-step explanation:

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How do I answer a b c d e

goldenfox [79]

Take a pencil put it on the paper then make sure the ink is on the paper then write

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3 years ago

A leaking pond loses 20 gallons of water in 35 hours. How many gallons of water will it lose in 47 hours?

Mama L [17]

20/35 gallons per hour
(20/35) * 47 = around 27 gallons in 47 hours

6 0

3 years ago

At the shorter waterfall, water falls uninterrupted for 1552 feet before entering the river below. The height h above the river

qwelly [4]

Answer:

Step-by-step explanation:

First note that the river is on the ground level. The height of the river at the ground level is 0

Given the the height h above the river in feet of water going over the edge of the waterfall is modeled by h(t)=-16t^2+1552

When h = 0

0 = -16t^2+1552

16t^2 = 1552

t² = 1552/16

t² = 97

t = √97

<em>Hence the time it takes is 9.9secs to the nearest tenth</em>

8 0

3 years ago

The histogram shows the speeds of downhill skiers during a competition. Estimate the mean of the data set displayed in the histo

Ostrovityanka [42]

Answer:

≈50.6

Step-by-step explanation:

Not sure what precision level this problem is looking for, but for right-skewed distributions, we know that the mean is going to be pulled right and therefore the mean should be larger than the median. To a high confidence level, the mean should fall between 50 and 59, or in the third column.

If a single estimation is wanted, assume the values inside each column are uniformly distributed:

$\displaystyle\\\widehat{\mu}=\frac{34.5\cdot 4+...+74.5\cdot 2}{4+9+4+4+2}\approx \boxed{50.6}$

8 0

3 years ago

I have to find a fraction or mixed number that is between the two numbers -3/4 and -1/3?

butalik [34]

-1/2 is what I would choose.

3 0

3 years ago