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2 years ago

3g^2-6g+2 What standard form polynomial expression represents the area of the triangle

Mathematics

1 answer:

ludmilkaskok [199]2 years ago

5 0

Answer:

You have to find the are of the triangle: Area=(base* height)/2=

=(10x + 2y)*(3x - y)/2=(5x + y)*(3x - y)=

=15x2-2xy-y2.

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The age of a boy is twice that of his sister. five years ago the boy was 3 times the age of his sister. How old is the boy

joja [24]

Answer:

<h2>20 years old.</h2>

Solution,

Let the age of sister be X

Let the age of boy be 2x

Now,

Five years ago,

 $3(x - 5) = 2x - 5 \\ or \: 3x - 15 = 2x - 5 \\ or \: 3x - 2x = - 5 + 15 \\ x = 10$ 

Again,

Replacing value,

 $age \: of \: boy = 2x \\ \: \: \: \: \: \: \: \: \: \: \: \: \: = 2 \times 10 \\ \: \: \: \: \: \: \: \: \: \: \: = 20$ 

hope this helps..

Good luck on your assignment..

7 0

3 years ago

When Mohammed was born, the baby was 21 inches tall. at his last check up, he was 38 inches tall. what is the percent increase i

denis23 [38]

Answer:

80.95

Step-by-step explanation:

Percentage increase = $\frac{New Value - Old Value}{Old Value}$ *100

=> (38-21)* 100/21 = 80.9523%

The answer round it to the nearest 100th = 80.95%

5 0

3 years ago

A line that crosses segment at right angles while dividing the segment in half is called

iren [92.7K]

The correct answer is:

A line that crosses segment at right angles while dividing the segment in half is called a perpendicular bisector

Step-by-step explanation:

A bisector is a line that divides a line segment in two equal parts. A perpendicular bisector is a line that is perpendicular to given line segment and passes through the mid-point of the line segment. It can also be said as that the line perpendicular to a line segment that divides the lines in half is called the perpendicular bisector.

The correct answer is:

A line that crosses segment at right angles while dividing the segment in half is called a perpendicular bisector

Keywords: Perpendicular, bisector

Learn more about geometry at:

#LearnwithBrainly

8 0

3 years ago

What the percentage of 3/5

fiasKO [112]

3 divide by 5 is 0.6 and you move the decimal two places to the right and your percentage is 60%

3 0

3 years ago

Read 2 more answers

The last time it placed an order for ingredients, Sweet Treats Bakery ordered 7,160 kilograms of sugar. This time, the bakery is

melomori [17]

Answer:

4296 kg

Step-by-step explanation:

40/100 = x/7160

716 times 6 is 4296

3 0

2 years ago