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3 years ago

7

Using a number line what is the equivalent fraction to 1/4

1 answer:

AURORKA [14]3 years ago

8 0

Step-by-step explanation:

For example, 1/2 and 2/4 are equivalent fractions. If you simplify 2/4 by dividing both the numerator and denominator by 2, you'll get 1/2, the same as the other one. Remember, our number line is a line with evenly spaced tick marks that show us our numbers.

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Which of the following is a proportion?

spayn [35]

C

Because they can both be simplified to 2/3

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4 years ago

Which best describes the complement of spinning any number less than 3?

s2008m [1.1K]

Answer:

b) Complement of spinning any number less than 3 is Spinning 3 or 4.

Step-by-step explanation:

COMPLIMENT of any Set A is the set of all the elements which are in the sample space but NOT IN SET A.

Here, Event E = Spinning a spinner with 4 parts and getting a number less than 3.

Here, Sample Space = {1,2,3,4}

Also, as outcomes is LESS THAN 3, ⇒ E = {1 ,2}

Now, Compliment E = Sample Space - { Elements in set E}

= {1,2,3,4} - {1 ,2}

or, E' = { 3,4}

Hence, complement of spinning any number less than 3 is Spinning 3 or 4.

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4 years ago

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A machine printed 63 booklets every 6 hours. At this rate, which proportion could be used to determine x, the number of booklets

Karolina [17]

63 books every 6 hours=> 63/6 x booklets in 9 hours => x/9 so, 63/6 = x/9 and your answer is A.

7 0

4 years ago

What is the perimeter of the rectangle shown on the coordinate plane, to the nearest tenth of a unit?

Pavel [41]

see the attached figure to better understand the problem

Let

x------> the length side of a rectangle

y-------> the width side of a rectangle

we know that

the perimeter of a rectangle is equal to the formula

$P=2x+2y$

In this problem

$AB=DC=x\\AD=BC=y$

Step 1

<u>Find the distance AB</u>

$A(-6,4)\\B(4,2)$

we know that

the distance's formula between two points is equal to

$d=\sqrt{(y2-y1)^{2} +(x2-x1)^{2}}$

substitute the values

$dAB=\sqrt{(2-4)^{2} +(4+6)^{2}}$

$dAB=\sqrt{(-2)^{2} +(10)^{2}}$

$dAB=\sqrt{104}\ units=10.2\ units$

Step 2

<u>Find the distance BC</u>

$B(4,2)\\C(3,-3)$

we know that

the distance's formula between two points is equal to

$d=\sqrt{(y2-y1)^{2} +(x2-x1)^{2}}$

substitute the values

$dBC=\sqrt{(-3-2)^{2} +(3-4)^{2}}$

$dBC=\sqrt{(-5)^{2} +(-1)^{2}}$

$dBC=\sqrt{26}\ units=5.1\ units$

Step 3

<u>Find the perimeter</u>

we know that

the perimeter of a rectangle is equal to the formula

$P=2x+2y$

$P=2AB+2BC$

substitute the values of the distance in the formula

$P=2*10.2+2*5.1=30.6\ units$

therefore

<u>the answer is</u>

The perimeter of the rectangle is equal to $30.6\ units$

3 0

3 years ago

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I need help on this

Evgen [1.6K]

Answer: 3 x 10

3 x 10 is 30 so 10-4.2 is 5.8 so y=5.8 x=10

7 0

3 years ago