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vichka [17]
3 years ago
14

in the set of first ten natural numbers 1 1 1 2 3 4 5 6 7 8 9 10. a what is percent of numbers are odd? b what percent of number

s are less than 8?​
Mathematics
1 answer:
Fittoniya [83]3 years ago
4 0

Answer:

a)50%,b)70%

Step-by-step explanation:

odd=5

10=100%

5

5×100=500/10

=50%

10=100%

(7×100)/10=70

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Answer:

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2 years ago
A7-ft ladder is placed against a wall with its base 3 ft from the wall. How high above the ground is the top of the ladder? Roun
Firdavs [7]

Answer:

6.3 feet

Step-by-step explanation:

use pythagorean theorem

a² + b² = c²

a² + 3² = 7²

a² + 9 = 49

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a² = 40

Take the square root of both sides

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4 0
3 years ago
Two trains leave stations 306 miles apart at the same time traveling toward each other one is traveling at 90 mph the other at 8
Sergeu [11.5K]

Answer:

They will meet in 1.8 hours.

Step-by-step explanation:

Given that, distance between trains = 306 miles

Let they take time 't' to meet each other.

Speed of first train = 90 mph

Speed of second train = 80 mph

Let distance traveled by first train = D_1 miles

Formula for distance:

Distance = Speed \times Time

Distance traveled by first train, D_1 = 90t

Let distance traveled by first train = D_2 miles

Formula for distance:

Distance = Speed \times Time

Distance traveled by first train, D_2 = 80t

Total distance traveled is 306 miles.

i.e.

D_1+D_2=306\\\Rightarrow 90t +80t=306\\\Rightarrow 170t=306\\\Rightarrow t =\dfrac{306}{170}\\\Rightarrow \bold{t=1.8\ hr}

They will meet in 1.8 hours.

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Answer:

y = x-2

Step-by-step explanation:

Because y is always 2 less than x the second equation is correct.

5 = 7-2

6 = 8-2

And so on.

6 0
3 years ago
Myra just finished a beautiful painting and would like to build a frame around it. If the diameter of the picture is 33 inches a
babymother [125]

To find the circumference of a circle, just multiply the diameter by π, or 3.14.

Since we are including the frame in the diameter, the new diameter would be 37 inches.

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