3 years ago

Distance between (0,0) to (4,-2)

Mathematics

1 answer:

Marysya12 [62]3 years ago

3 0

Answer:

(0,-2)

Step-by-step explanation:

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a student bought 34 pencils for school. if he sharpened 16 of the pencils before school, what is his ratio of unsharpened pencil

Mariulka [41]

34 - 16 = 18

18 : 16

I think that's the answer?

6 0

3 years ago

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Adult male lion weights are normally distributed, with a mean of 420 pounds and a standard deviation of 17 pounds. Approximately

SVETLANKA909090 [29]

Answer:

3.92%

Step-by-step explanation:

First calculate Z:

$Z= (x - mean)/(st. dev.) \\Z = (450 - 420)/17 \\Z= 1.76$

The percentage for a Z of 1.76 is 96.08%.

That means that all lions up to Z = 1.76 are equivalent to 96.08% but you are searching for the lions above Z = 1.76, then 100 - 96.08 = 3.92%

6 0

4 years ago

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If B is the midpoint of line AC, AC=CD, AB=3x+4, AC=11x-17, and CE=49, find DE

vekshin1

Answer:

DE=11 UNITS

Step-by-step explanation:

Given AC=CD

And AC=2AB as B is the mid point of AC

Hence 2(3x+4)=11x-17

6x+8=11x-17

11x-6x=17+8

5x=25

x=5

Hence AC=11(5)-17= 55-17=38

AC =CD = 38

CE = 49

Hence DE = CE-CD= 49-38 = 11

units

5 0

3 years ago

Write an equation that can be used to answer each question

Ira Lisetskai [31]

1. (70 - 44) / 2

2. (45.00 - 25.50) / 6

3. (75 - 39) / 3

4. (90 - 30 +10) / 3

5. (100- 30+10) / 10

6. (50 - 5) / 10

PS: / means divide or division. also remember PEMDAS

Hope this helped you (;

4 0

3 years ago

One jar holds 16 red marbles and 4 blue marbles. A second jar holds 75 white marbles and 25 blue marbles. What is the probabilit

bezimeni [28]

Jar 1 : 16 red, 4 blue....total = 20
P(blue) = 4/20 reduces to 1/5

jar 2 : 75 white,25 blue...total = 100
P(blue) = 25/100 reduces to 1/4

P(blue,blue) = 1/5 * 1/4 = 1/20 or 0.05 or 5%

7 0

3 years ago

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