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3 years ago

PLZ HELP vgffdhstudfhgxd

Mathematics

2 answers:

olga55 [171]3 years ago

6 0

Answer:

1/5

Step-by-step explanation:

To simplify, we can first divide the top and bottom by 10:

2/10

Then by 2:

1/5

Doss [256]3 years ago

4 0

1/5 is the correct answer

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Claudia says that she used the GCF to factor the expression 20x + 100xy as 20(x + 5xy). Is she correct? Explain.

Keith_Richards [23]

No, She is not correct.

Step-by-step explanation:

To find the greatest common factor of the expression 20x + 100xy.

Given expression 20x + 100xy.

Let us factor the expression 20x + 100xy.

Now take the common factor in the expression 20x + 100xy.

The common factor is 20x.

So, 20x + 100xy = 20x( 1+ 5y)

But Claudia says that the greatest common factor is 20(x+5xy).

The GCF is wrong.

So, she is not correct.

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3 years ago

What is the median of the following set of numbers? 33, 30, 29, 28, 27, 34, 31

IrinaVladis [17]

Median is a middle value
So it is 28

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3 years ago

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Write an expression involving integers for each statement a) moving 4 steps left, then moving 9 steps right b) on 3 separate occ

Charra [1.4K]

Answer:

a) x-4+9

b) x-2

For part b, I am not 100% sure about my answer, but I am sure about part a.

3 0

2 years ago

12. Use a trigonometric ratio to find the measure of O in the triangle below. Give your answer to the nearest degree.

larisa [96]

Given :-

A right angled triangle with two sides 10cm and 9cm .

To Find :-

The value of theta .

Solution :-

At angle theta , 9cm side will be considered as the perpendicular and 10cm side will be hypotenuse . So , as we know that ;

$\longrightarrow sin\theta =\dfrac{perpendicular}{hypotenuse}$

Substituting the respective values,

$\longrightarrow sin\theta =\dfrac{9cm}{10cm}$

Simplify,

$\longrightarrow sin\theta= 0.9$

Take arcsin both sides ,

$\longrightarrow \theta =sin^{-1}(0.9)$

$\\\longrightarrow\underline{\underline{\theta = 64.15^o }}$

Hence the required answer is 64.15° . 

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2 years ago

This is 10 points plz help ( NO LINKS )

WINSTONCH [101]

Answer:

side A is 18.75 cm² greater than side B

Step-by-step explanation:

area of A = 12.5 x 7.5 = 93.75 cm²

area of B = 10 x 7.5 = 75 cm²

93.75 - 75 = 18.75 cm²

6 0

2 years ago