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oksano4ka [1.4K]
3 years ago
5

Ice is placed around a bowl of water to lower the temperature. The equation D=−75t+22 shows the time, t, measured in minutes and

temperature, D, measured in degrees Celsius.
Mathematics
1 answer:
liberstina [14]3 years ago
4 0

Answer:

Before cooling begins, the temperature of the water is 22°C.

Step-by-step explanation:

need steps??

have a good day

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A force can never act by itself?
Diano4ka-milaya [45]

Answer:

true

Step-by-step explanation:

An object can never act on itself. Forces related to Newton's third law apply to different bodies, therefore they cannot cancel each other out. For example, the reaction to Earth's gravitational pull on the Moon is the Moon's pull on Earth.

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Can somebody please help with this? ​
Digiron [165]

Answer:

x=8°

y= 96°

z= 96°

Step-by-step explanation:

Solve for z first. The whole circle is 360° so if you only count half the angles it will add up to 180°.

Solve for z:

48+36+z=180°

84+z+180°

z=96°

Now that you have z you can solve for x by using only the bottom half of the circle.

z+36+6x=180° *remember z=96

96+36+6x=180

132+6x=180

6x=48

x=8°

Now you can solve for y by either plugging x into an equation or by knowing that opposite angles are equal.

y=96°

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3 years ago
A right cylinder with radius 4cm and height 3cm
mojhsa [17]
Are u looking for there total radius or what I don’t know what you are looking for
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Pani-rosa [81]
What do you need help on? I could totally lend a hand
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Select all equivelent to the following: 9y+4y+9y<br> 1. 22y<br> 2. 13y-9y<br> 3. 9y+13y<br> 4. 22+y
igor_vitrenko [27]

Answer: 22y and 9y+13y

Step-by-step explanation: Just using basic math, ofc

1st Answer: 9y + 9y = 18y .

18y + 4y = 22y

2nd Answer: 9y + 10y = 19y .

19y + 3y = 22y

3 0
2 years ago
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