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Vilka [71]
3 years ago
5

john is cutting wood planks. He has a 3 foot plank. he needs to cut them in 3/8 length pieces. How many pieces will he have?

Mathematics
1 answer:
mojhsa [17]3 years ago
4 0

Answer:

he will have 3 pieces

Step-by-step explanation:

3/8×8

=3

<h2>Mark me BRAINLIEST </h2>
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Help me please answer all because idk if I was correct scientific notation
valentina_108 [34]

Answer:

I think the first 4 are right

5-8

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5.1 x 10^-2 would be 0.051 just move the decimal left x spaces where x is the exponent

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4.4 x 10^3

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7.5 x 10^4

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6.99 x 10^7

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5.75 x 10^9

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15

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you got it right

18

you got it right

19

Singapore

Luxembourg

Australia

Egypt

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20

3,670,000,000

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6.2 x 10^-6

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125,000,000,000

1.25 x 10^11

Step-by-step explanation:

i hope I helped

3 0
3 years ago
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OlgaM077 [116]
The correct answer is:
measurement of one angle and length of one side
8 0
3 years ago
Help!!!!!!!!!!!!!help
Deffense [45]

Answer:

13 cents, 17 cents, Brand A

Step-by-step explanation:

The unit price is the price of a single pencil. You can find that by dividing the total price by the number of pencils.

Brand A= $2.36/18= $0.13

Band B= $4.09/24= $0.17

0.13 < 0.17

Brand A is cheaper because the price per pencil is less.

3 0
3 years ago
Read 2 more answers
Complete the steps to solve the polynomial equation x3 – 21x = –20. According to the rational root theorem, which number is a po
jeka94

Answer:

Zeroes : 1, 4 and -5.

Potential roots: \pm 1, \pm 2, \pm 4, \pm 5, \pm 10, \pm 20.

Step-by-step explanation:

The given equation is

x^3-21x=-20

It can be written as

x^3+0x^2-21x+20=0

Splitting the middle terms, we get

x^3-x^2+x^2-x-20x+20=0

x^2(x-1)+x(x-1)-20(x-1)=0

(x-1)(x^2+x-20)=0

Splitting the middle terms, we get

(x-1)(x^2+5x-4x-20)=0

(x-1)(x(x+5)-4(x+5))=0

(x-1)(x+5)(x-4)=0

Using zero product property, we get

x-1=0\Rightarrow x=1

x-4=0\Rightarrow x=4

x+5=0\Rightarrow x=-5

Therefore, the zeroes of the equation are 1, 4 and -5.

According to rational root theorem, the potential root of the polynomial are

x=\dfrac{\text{Factor of constant}}{\text{Factor of leading coefficient}}

Constant = 20

Factors of constant ±1, ±2, ±4, ±5, ±10, ±20.

Leading coefficient= 1

Factors of leading coefficient ±1.

Therefore, the potential root of the polynomial are \pm 1, \pm 2, \pm 4, \pm 5, \pm 10, \pm 20.

3 0
3 years ago
One circular table has a diameter of 8 ft, and another circular table has a diameter of 12 ft. How much greater is the area of t
mezya [45]

Answer:

20π sq ft ≈ 62.83 sq ft

Step-by-step explanation:

Area of table with diameter 8 ft = π*8^2/4 = 16π

Area of table with diameter 12 ft = π*12^2/4 = 36π

Difference between the area of the tables ;

= 36π - 16π

= 20π sq ft ≈ 62.83 sq ft                              ( π = 3.14)

8 0
3 years ago
Read 2 more answers
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