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Stolb23 [73]
3 years ago
6

Eric studied dogs for a class project . his project showed that there are 156 breeds of dogs. he separated the breeds into 12 gr

oups with the same number of breeds in each group.Part A. how many breeds of dogs are in each group? use pictures number or words to show your work. Part B. explain how you can use estimation to know your answer is reasonable.
Mathematics
2 answers:
Vladimir [108]3 years ago
4 0
If you divide 156 by 12 it'll give you 13, so there are 13 in each group
Reika [66]3 years ago
3 0

Answer:

13 in each group

Step-by-step explanation:

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If 48% of a number, n, is 40.32, what is 20% of n?
jok3333 [9.3K]

Answer:

Step-by-step explanation:

48% of n = 0.48n = 40.32

n = 84

20% of n = 0.20*84 = 16.8

7 0
3 years ago
Find the approximate perimeter of rectangle ABCD plotted below. B(4,5) AC -6,0) C(8,-3) D(-2,-8) Choose 1 answer: Do 5 problems
Likurg_2 [28]

Answer:

Perimeter of rectangle ABCD = 47.62

Step-by-step explanation:

The perimeter of a rectangle is P = 2(length + width)

You need to find length and width

If you graph, you can pick your length length and your width

Pick two points after you graph, for (x_{1},y_{1})  and (x_{2},y_{2})

Use the distance formula to find the length =\sqrt{(x_{2} - x_{1} )^{2} + (y_{2} - y_{1} ^{2})}

point B (4,5) will be point 1 and point C (8,-3) will be point 2

Substitute

length =\sqrt{(8 - 4 )^{2} + (-3- 5 )^{2}}\\

length = \sqrt{80}

length = 8.94

Use the distance formula to find the width =\sqrt{(x_{2} - x_{1} )^{2} + (y_{2} - y_{1} ^{2})}

point C (8,-3) will be point 1 and point D (-2,8) will be point 2

Substitute

width =\sqrt{(-2 - 8 )^{2} + (8- (-3) )^{2}}\\

width =\sqrt{(-10 )^{2} + (11 )^{2}}\\

width =\sqrt{100 + 121}\\

width = \sqrt{221}

width = 14.87

Now use formula P = 2(length + width)

P = 2(8.94 + 14.87)

Perimeter of rectangle ABCD = 47.62

7 0
3 years ago
GIVING BRAINLIEST!!!!!!!!<br><br> 1/2 x(6X4)+3+2<br><br> SHOW UR WORK PLS
mezya [45]

Answer: 1/2 times 6x equals 3x  and then you do 1/2 times 4 and that equals 2 then multiply the 3 and 4 in the parenthesis and that is 12 then add 12 to the 3 and 2 and your answer is 17.

Step-by-step explanation:

7 0
2 years ago
Vani signed up for a streaming music service that costs $12 per month. The service
ollegr [7]

Answer:

49.5 dollars first part and y=12+1.25x second part

Step-by-step explanation:

7 0
3 years ago
Can someone please answer my question. thank you ❤️​
Arlecino [84]

You can use GP in many ways.

  • Suppose you invested some money at somewhere.The money increases in a constant ratio.You can use geometric sequence in order to find your money after some years.
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8 0
3 years ago
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