Help!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

ArbitrLikvidat [17]2 years ago

7 0

Answer and Step-by-step explanation:

0 to the power of 4 is 0.

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The square shown has a perimeter of 32 units. The square is rotated about line k. What shape is created by the rotation and what

harkovskaia [24]

The perimeter of the square is calculated through the equation,
4x = P
where P is the perimeter and x is the measure of the sides.

When P is 32 units then,
32 units = 4(x)
x = 8 inches

This 8 inches is the diameter of the cylinder formed by the rotation.
The circumference of the base is calculated through,
C = 2πr = πD
Substituting the known values,
C = π(8 units) = 8π units
When π is equal to 3.14, we solve for the numerical value of the cylinder as follows,
 C = 8(3.14) = 25.12 units
Thus, the figure formed is a cylinder with base circumference equal to 25 units. The answer is the third choice.

6 0

3 years ago

Read 2 more answers

Factor: (m+2)^2−(m+2)+mn·(n+2)+2n(n+2)

bazaltina [42]

ANSWER
${(m + 2)}( {n}^{2} + 2n + m + 1)$

EXPLANATION

The given expression is

${(m + 2)}^{2} - (m + 2) + mn(n + 2) + 2n(n + 2)$

We factor to get,

$= {(m + 2)}(m + 2 - 1) +n (n + 2) (m+ 2)$

This implies that,

$= {(m + 2)}(m + 1) +n (n + 2) (m+ 2)$

We factor further to obtain,

$= {(m + 2)}((m + 1) +n (n + 2))$

or

$= {(m + 2)}( {n}^{2} + 2n + m + 1)$

5 0

3 years ago

leonardo recorded his speed while skateboarding and determined he was traveling 18 feet per second. how many feet could he trave

Effectus [21]

All you need to do is multiply 18*60 = 1080 feet per minute, which is really fast.

7 0

2 years ago

On the first math test, Keiko answered 19 out of 25 questions correctly. On the second test she got 17 out of 20 correct. On whi

jenyasd209 [6]

Answer:

shegot a better score on the second test

50 is double of 25

75is 3 times 25

100 is 4 times 25

Step-by-step explanation:

19 times 4= 76

17 times 5= 85

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3 years ago

Please help!!!!! This is due in a few hours...

Hunter-Best [27]

Peter's meal costed $8.11 in total. Hope this helps :D

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3 years ago