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3 years ago

Need help please!!!!!!

Mathematics

1 answer:

adoni [48]3 years ago

7 0

Look at the picture for the answer

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Diep is saving money so he can buy a used car in 12 months. The total cost of the car he wants is $1,450. Diep determines that h

koban [17]

Hello! This problem doesn't have much to do with subtraction. Therefore, A and B are eliminated. There was a multiplication error, but saving just $120.83 won't help, because the average is slightly more than that. Saving that amount will only give him $1,449.96, which is 4 cents short of $1,450. There will be some months he has to save $120.83 and others $120.84. The answer is D.

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3 years ago

A(n) _____________ hypothesis is the statement that is being tested. It usually represents the status quo, and it is not rejecte

Lorico [155]

Answer: Null hypothesis

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3 years ago

A swimming pool is being drained at a constant rate of 3 inches (depth of the water) per hour. The depth of the water after 5 ho

emmasim [6.3K]

Answer:

The equation in point slope form is $y - 47\,in = \left(-3\,\frac{in}{h}\right)\cdot (t-0\,h)$

Step-by-step explanation:

Since the swimming pool is being drained at a constant rate, the equation of the process must be a first-order polynomial (linear function), where depth of water decrease as time goes by. The form of the expression is:

$y = m \cdot t + b$

Where:

$t$ - Time, measured in hours.

$b$ - Initial depth of the water in swimming pool (slope), measured in inches.

$m$ - Draining rate, measured in inches per hour.

$y$ - Current depth of the water in swimming pool (x-Intercept), measured in inches.

If $m = -3\,\frac{in}{h}$ and $y (5\,h) = 32\,in$ , the initial depth of the water in swimming pool is:

$b = y - m\cdot t$

$b = 32\,in -\left(-3\,\frac{in}{h} \right)\cdot (5\,h)$

$b = 47\,in$

The equation in point slope form is:

$y-y_{o} = m \cdot (t-t_{o})$

Where $y_{o}$ and $t_{o}$ are initial depth of the water in swimming pool and initial time, respectively. Then, the equation in point slope form is:

$y - 47\,in = \left(-3\,\frac{in}{h}\right)\cdot (t-0\,h)$

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3 years ago

PLS HELP MEEEEEEE PLSSS HELLLLLPPPPP 10. Find the length of the segment. Write the mixed number in simplest form. 1 1/8 1 7/16 1

mart [117]

Answer:

1 1/8= 9/8 or 1.125

1 7/16= 23/16 or 1.4375

1 1/2=3/2 or 1.5

1 13/8=21/8 or 2.625

Step-by-step explanation:

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3 years ago

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Tatiana [17]

Answer:

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3 years ago