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3 years ago

There are 20 pens in a package. Ten of the pens are black, 8 are blue, and the rest are red.

Mathematics

1 answer:

azamat3 years ago

3 0

Answer:

1:5 simplifies

Step-by-step explanation:

2 are red 10 are black. so it would be 2/10 or 2:10 (both means the same) however if you simplified it, it will be 1:5

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Find the length of the missing side in the figure below. a = _______ cm.

WITCHER [35]

Answer:

$\frac{2 \sqrt{177} }{5}$

5.32cm correct to 2 decimal places

Step-by-step explanation:

This is a right angled triangle from what I know so we have to apply pythagoras theorem.

${7.1}^{2} = {a}^{2} + {4.7}^{2}$

we need to rearrange this to find a²

${a}^{2} = {7.1}^{2} - {4.7}^{2}$

$a = \sqrt{ \frac{708}{25} }$

This can either be written as a fraction or decimal.

$a = \frac{2 \sqrt{177} }{5}$

$a = 5.32$

correct to 2 decimal places

5 0

2 years ago

4x/3 + 2(3- x) = 5 Solve for x as an FRACTION

forsale [732]

Answer:

<h2>The answer is .... x = 3/2 and if you want to write it as a mixed fraction i will be x= 1 and 1/2</h2>

Step-by-step explanation:

Hope this Helped :)

6 0

3 years ago

Factorise fully the following 2x+8

kakasveta [241]

Answer:

it cant be solved

Step-by-step explanation:

please a brainliest please

7 0

3 years ago

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To prepare a batch of cookies a factory uses 4/5 barrels of oatmeal in each batch. The factory used 4 4/5 barrels of oatmeal on

babymother [125]

Answer:

Step-by-step explanation:

4 4/5= 24/5 24/5\4/5=6/5= 1/15

6 0

4 years ago

Which expression completes the equation?

Flauer [41]

4+2×8=20

A) 50÷5+10= 20
B) 150+3-2=48
C)50÷5+4=14
D)150÷3+14=64

So A is the correct answer.

8 0

3 years ago

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