3 years ago

Write an equation fo the line that passrs through (4,-5) and (3,-2)

Mathematics

1 answer:

kap26 [50]3 years ago

7 0

D is the correct answer luv

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Debbie found a suitcase that was originally 129 but now is on sale for 30% off. If sales tax is 8.75%, what is her final cost?

Marizza181 [45]

Step-by-step explanation:

To find the answer we first multiply 129 by 0.7 since the price descresed 30 percent. each percent is equal to 0.01.

129 * 0.7 = 90.3

Then we multiply 90.3 by 1.0875 since that is the sales tax

90.3 * 1.0875 = 98.2

so the cost is 98.2

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2 years ago

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What is the product of (-12/14)×(-11/15)?

AysviL [449]

Answer:

22/35

Step-by-step explanation:

-12/14=-6/7

-6/7*-11/15=66/105=22/35

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2 years ago

I will give brainliest

ruslelena [56]

Answer:

w is the length

Step-by-step explanation:

length squared is always the area of a square

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2 years ago

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Determine the kinetic energy of a 100-kg roller coaster car that is moving with a speed of 20.0/ms.

rjkz [21]

Answer:

The kinetic energy is 20,000\ J

Step-by-step explanation:

The kinetic energy of a body is defined as:

$k = \frac{1}{2}ms ^ 2$

Where m is the mass of the roller coaster car

s is the speed and k is the kinetic energy

We know that $s = 20\ m/s$

$m = 100\ kg$

Then the kinetic energy of the roller coaster car is:

$k = \frac{1}{2}(100)(20) ^ 2\\\\k = 50(20) ^ 2\\\\k = 50 * 400\\\\k = 20,000\ J$

3 0

3 years ago

6 <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B%3F%7D%7B%3F%7D%20" id="TexFormula1" title=" \frac{?}{?} " alt=" \frac{?}{?}

alexdok [17]

Answer:

i don't get the question ...

Step-by-step explanation:

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2 years ago