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Vaselesa [24]
3 years ago
5

Please find the answer !

Mathematics
1 answer:
algol133 years ago
4 0

Answer:

ring volume is 12cm3

Step-by-step explanation:

Lr ccm=volume of water and ring - Volume of water

ring cubic centimeters =x

x=9.2cm*4.5cm*7cm - 8.8cm*4.5cm*7cm

x=289.2cm3 - 277.2cm3

x=12cm3

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Which of the following is an equation of the line through (2, 3) and (−1, −12)?
sleet_krkn [62]

Answer:

y = 5x-7

Step-by-step explanation:

y-y/x-x = slope

-12-3/-1-2 = -15/-3 = 5

next plug in slope and coordinates

y=mx+b

3=5(2)+b

solve for b

3=10+b

-7=b

6 0
3 years ago
Farmer Fran has 38 barnyard animals consisting of only chickens and goats. If these animals have 116 legs how many of each type
musickatia [10]

Answer: There are 20 goats and 18 chikens.

Step-by-step explanation:

Hi, to answer this question we have to write a system of equations:

If the number of chickens is represented by C, and the number of goats is G.

Total of Animals equation:

a)C+ G = 38

Total of legs equation (since chickens have 2 legs and goats have 4 ):

b)2C + 4 G =116

If we multiply a) by 2 and subtract a) from b).

<em>2C + 4 G =116 </em>

<em>- </em>

<em>2C + 2 G =76 </em>

<em>_________ </em>

<em>2G = 40 </em>

  • Solving for G:

G = 40/2

G= 20

Replacing the value of G on any equation:

a) C+ (20) =38

  • Solving for C

C =38-20

C=18

There are 20 goats and 18 chickens.

7 0
3 years ago
Find the size of angle yzx give your answer to 3 significant figures 7.5cm and 22.3cm
pishuonlain [190]

Answer:19.7

Step-by-step explanation:

Sin‐(7.5/22.3) on your calculator

The answer to 3 significant figures is 19.7

6 0
3 years ago
So of the guestion is -5 &lt;-2 then i add 7 to both sides what and how would I do it
Dafna1 [17]
-5+7=2, and -2+7=5    so now it would be 2<5! :-)
3 0
4 years ago
Suppose that a coin is tossed three times and the side showing face up on each toss is noted. Suppose also that on each toss hea
Nimfa-mama [501]

Answer:

S={HHH,HHT,HTH,HTT,THH,THT,TTH,TTT}

Step-by-step explanation:

As can be seen in the Sample Tree attached, the eight elements in the sample space whose outcomes are all the possible head-tail sequences obtained in the three tosses are:

S={HHH,HHT,HTH,HTT,THH,THT,TTH,TTT}

4 0
3 years ago
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