3 years ago

I need help please !!!!!!!!

Mathematics

1 answer:

Strike441 [17]3 years ago

3 0

Answer:

answer is 2/6

becoz 2/6=0.3333333333 which is repeating or recurring decimal

Step-by-step explanation:

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1. JACKSON WALKS 6 BLOCKS IN 4 MINUTES. HOW FAST IS<br> HE WALKING?

pochemuha

Answer:

Jackson is walking an average of 1.5 blocks per minute.

Step-by-step explanation:

6 divided by 4 is 1.5

8 0

3 years ago

Calculate the value of x if 2x/3=8/5

Cloud [144]

Answer:

12/5 or 2⅖

Step-by-step explanation:

2x/3 = 8/5

2x = 3 × 8/5

2x = 24/5

x = 24/5 ÷ 2

x = 12/5

Or 2⅖

5 0

3 years ago

find the middle integer if the sum of the greatest and the least of the three consecutive integers is 82

allsm [11]

<span>x= greatest
x+2= least

x + x + 2 = 82

2x + 2 = 82
-2 -2

2x = 80
---- -----
2 2

x=40

Check:
x=40
x+2=40+2=42
x+1=40+1=41
the middle integer is 41</span>

6 0

3 years ago

The average speed of a car driving down freeway is 70mph with a standard deviation of 5mph. Thid speed is normally distributed.

ikadub [295]

Answer:

0.081,0.2621,0.645,0.919

Step-by-step explanation:

Let X be the average speed of a car driving down freeway

Given that X is normal with mean as 70mph with a standard deviation of 5mph.

To convert to Z score we do

$Z =\frac{x-70}{5}$

a) the probability that a randomly selected car is driving more than 77mph

$=P(X>77)\\=P(Z>1.4)\\=0.081$

b) probability that a randomly selected car is driving between 65 and 69 mph

= $P(-1$

c) the probability that a randonly selected car is driving between 67 and 77mph

= $P(-0.6$

d) the probability that a randomly selected car is driving less than 77mph

$=P(Z$

5 0

3 years ago

Select all the equations that have the same solution as 2x-5=15

lord [1]

Where’s problem and um yea use photo math don’t waste your points on some math questions

7 0

3 years ago

Read 2 more answers