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3 years ago

1. Debbie saws a plank of wood into five equal pieces.

Mathematics

2 answers:

serious [3.7K]3 years ago

6 0

20%? I
it’s just 20%, it’s not that hard my guy

Andrew [12]3 years ago

4 0

Answer:

20%

Step-by-step explanation:

The whole plank equals 100%, and 100 divided by 5 is 20, meaning that each piece represents 20%. If they were all added together it would equal 100! Hope this helps!!

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8. To which subsets of the real numbers does the number 13 belong?

Veronika [31]

Answer:

irrational numbers

Step-by-step explanation:

sqrt(13) is not a whole number, a natural number, an integer, or a rational number.

Answer: irrational numbers

5 0

3 years ago

Caleb and 3 friends are sharing 1/6 quart of milk equally. What fraction of a quart of milk does each of the 4 friends get? Each

34kurt

Answer:

the fraction of quart of milk does each of the four friend get is 1 ÷ 24

Step-by-step explanation:

The computation of the fraction of quart of milk does each of the four friend get is shown below:

= Sharing quart of milk × fraction of friends

= 1 ÷ 6 × 1 ÷ 4

= 1 ÷ 24

Hence, the fraction of quart of milk does each of the four friend get is 1 ÷ 24

7 0

3 years ago

What is the answer to the problem<br> 7 1/5-6 2/3=

VARVARA [1.3K]

7 18/15-2 10/15=4 8/15

7 0

4 years ago

Read 2 more answers

What is the area of a sector with a central angle of 8 π/11 radians and a radius of 7.2 ft? use 3.14 for π and round your final

coldgirl [10]

Answer:

$59.19 ft^2$

Step-by-step explanation:

step 1

Find the area of the circle

The area of the circle is equal to

$A=\pi r^{2}$

we have

$r=7.2\ ft$

$\pi =3.14$

substitute

$A=(3.14)(7.2)^{2}$

$A=162.78\ ft^2$

step 2

we know that

The area of a circle subtends a central angle of 2π radians

using proportion

Find out the area of a sector with a central angle of 8 π/11 radians

$\frac{162.78}{2\pi }\frac{ft^2}{rad} =\frac{x}{(8\pi/11)}\frac{ft^2}{rad} \\\\x=162.78(8/11)/2\\\\x=59.19\ ft^2$

7 0

4 years ago

Please help me with this equation

natita [175]

Answer:

u just expand the brackets out and make a linear equation to solve from there

Step-by-step explanation:

6 0

3 years ago