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4vir4ik [10]
3 years ago
15

Can someone help me please

Mathematics
1 answer:
Bumek [7]3 years ago
4 0

Answer:

yes what would u like help with

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The distance between the point (-3,4) and the point of origin
pickupchik [31]

Answer:

5

Step-by-step explanation:

1) origin point is (0;0);

2) the required distance is:

d=\sqrt{(-3-0)^2+(4-0)^2} =5.

7 0
2 years ago
the electricity goes out in a house. the temperature in the house changes by -8 fahrenheit in 4 hours. on average, by how many d
Aliun [14]

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-2 degrees per hour

Step-by-step explanation:

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Let r= .12 be the reserve rate. What is the money multiplier?
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The money multiplier is 1/ 0.12 
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3 years ago
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The mean height of 10 girls is 154cm. The mean height of 8 boys is 162cm. What is the mean height of the class?
olganol [36]

Answer:

158cm

Step-by-step explanation:

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8 0
3 years ago
Each pair of figures below is similar. Find the lengths of all unknown sides​
lions [1.4K]

Answer:

  a) w = 8; y = 5.25

  b) x = 10; z = 7.2

Step-by-step explanation:

a) Dimensions on the smaller figure are FA/F'A' = 3/4 times those on the larger figure.

  6 = (3/4)w

  w = 24/3 = 8

  y = (3/4)·7 = 21/4 = 5.25

__

b) Dimensions on the smaller figure are ER/E'R' = 9/15 = 3/5 times those on the larger figure.

  6 = (3/5)x

  x = 30/3 = 10

  z = (3/5)12 = 36/5 = 7.2

7 0
3 years ago
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