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3 years ago

Which verbal expression represents the algebraic expression 3y?

Mathematics

2 answers:

pogonyaev3 years ago

8 0

3y is the same as saying:

y times three

AlexFokin [52]3 years ago

5 0

The algebraic expression 3y would be represented verbally by 3 multiplied by y!

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Hello I need help on this question!

Sloan [31]

Answer:

Step-by-step explanation:

Refer to attachment for marking of sides.

In the given figure , ∆ABC , ∆ABD and ∆ADC are right angled triangles . Therefore here we can use the Pythagoras theorem , as ,

$\longrightarrow$ base² + perpendicular² = hypotenuse ² .

• In ∆ABD , we have ;

$\longrightarrow$ AB² + BD² = AD²

$\longrightarrow$ AB² + x² = 10²

$\longrightarrow$ AB² = 10² - x²

$\longrightarrow$ AB² = 100 - x²

$\rule{200}2$

• Again in ∆ADC , we have ;

$\longrightarrow$ AC² + AD² = CD²

$\longrightarrow$ AC² = 20² - 10²

$\longrightarrow$ AC² = 400 - 100

$\longrightarrow$ AC² = 300

$\rule{200}2$

Again in ∆ABC , we have ,

$\longrightarrow$ AC² = AB² + BC²

Substituting the values from above ,

$\longrightarrow$ 300 = 100-x² + (20-x)²

$\longrightarrow$ 300 = 100 - x² + 400 + x² - 40x

$\longrightarrow$ 40x = 500 - 300

$\longrightarrow$ 40x = 200

$\longrightarrow$ x = 200/40

$\longrightarrow$ x = 5

<h3>Hence the required answer is 5 .</h3>

8 0

2 years ago

Describe the type of correlation between the two variables on your graph. How do you know?

Natalka [10]

A graph's correlation between two variables reveals the relationship between them. The correlation is given a name based on the characteristics of the variables represented on the graphs.

What does the term correlation mean?

The data points of a person with two different factors are related in a scatterplot. The term "correlation" refers to this connection.

A correlation is the relationship between any two variables represented on any graph.

The correlation is divided into three main categories based on the sort of relationship between the variables. Those are

i) Positively correlation

ii) Negative correlation

iii) No correlation

To learn more about correlation visit:

brainly.com/question/6500301

#SPJ9

3 0

1 year ago

How much money do you earn in 1 hour if you earn 20 in 4 hours

VikaD [51]

Answer:

let’s make a Unit rate.

$20/4 hours = $5 per hour

So you earn $5 in 1 hour if you earn $20 in 4 hours.

hope this helps and pls mark me brainliest if it did ;)

6 0

3 years ago

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irakobra [83]

X = 42 - 19, so A - x = 23

7 0

3 years ago

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What percentage is the fraction ‘2/4’ equal to ? A. 30% B. 20% C. 50% D. 40%

Solnce55 [7]

Answer: C.) 50%

Step-by-step explanation:

2/4 simplified = 1/2

1/2 = "one half"

= 50%

3 0

3 years ago

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