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2 years ago

Please help

Mathematics

2 answers:

Bumek [7]2 years ago

7 0

Answer:

The answer is B,C, and D

Step-by-step explanation:

I GOT. THE. QUESTION. RIGHT. ON. EDUNUTITY

PolarNik [594]2 years ago

4 0

The answers are B and C and D.

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1 year ago

Solve the equation 4s2+32s=60 by completing the square

lord [1]

Answer:

s = -4 ± √31

Step-by-step explanation:

Given 4 $s^{2}$ + 32s = 60

divide by 4 throughout

$s^{2} + 8s = 15\\s^{2} + 8s + (\frac{8}{2}) ^{2} = 15 + (\frac{8}{2}) ^{2}$

$(s + 4)^{2} = 31\\s + 4 = \sqrt{31}$

s = -4 ± √31

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2 years ago

The price of televisions has been decreasing. Last year, the price of a 52-inch television was $800. This year, the price has de

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2 years ago

What is the midpoint of RS with endpoints R (-8, 3) and S (9, – 7)?

lubasha [3.4K]

Answer:

Midpoint coordinates are $(x,y) = (\frac{1}{2} , -2)$

Step-by-step explanation:

The Coordinates of R = (-8,3)

The Coordinates of S = (9, -7)

Let M be the mid point of M and its coordinates by (x,y)

Now, by mid point formula,

$(x,y) = (\frac{x_1 + x_2}{2} ,\frac{y_1 + y_2}{2} )$

⇒ $(x,y) = (\frac{1}{2} ,\frac{-4}{2} ) = (\frac{1}{2} , -2)$

So, the midpoint coordinates are $(x,y) = (\frac{1}{2} , -2)$

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2 years ago

Water evaporates from a pond at aa rate of 0.005 inches per hour. What is the change in the water level of the pond after 24 hou

Eduardwww [97]

Answer:

Water level after 24 hours will be $\frac{3}{25}\ inches$ .

Step-by-step explanation:

Given:

Evaporate rate of water= 0.005 inches per hour.

We need to find the level of water after 24 hours.

now we know the in 1 hour the water evaporates from a pool at a rate of 0.005 inches.

So To find the water level after 24 hrs we will multiply the evaporation rate with total number of hours which is 24 and the divide by 1 hour we get.

Framing in equation form we get;

water level after 24 hrs = $\frac{24 \times 0.005}1 = 0.12\ inches$

Now to convert the number in rational form we have to multiply and divide the number by 100 we get;

$\frac{0.12\times 100}{100} = \frac{12}{100}=\frac{3}{25}\ inches$

Hence Water level after 24 hours will be $\frac{3}{25}\ inches$ .

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2 years ago