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Alexandra [31]
2 years ago
14

Write an expression to represent the area of a right triangle with legs length as follow: 2x-2 and 4x+2

Mathematics
1 answer:
ankoles [38]2 years ago
8 0
For Right angled triangle area
A=ab/2
(2x-2)(4x+2)/2
(8x^2+4x-8x-4)/2
(8x^2-4x-4)/2 take common term 2
2(4x^2-2x-2)/2
So A=4x^2-2x-2
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a roll of wallpaper is on sale for $10. write and solve an inequality to determine how many rolls of wallpaper you can.buy and s
ss7ja [257]
Let x be the number of rolls of wallpaper that you can buy to decorate your kitchen. Since each roll costs $10, the total cost for x rolls is 10x. This value should be not be more than $50. The inequality that is best described is  
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Solving for x gives an answer of x ≤ 5.
8 0
2 years ago
Please help me. I have an idea of what the answer might be but I’m not sure so I need you to help me clarify if I was correct so
Gemiola [76]

Hello!

<em>According to the diagram, your answer is</em> <em>D.) Some Elephants have tusks</em>

If the entire circle labeled "Elephants" was inside the circle labeled "Animals With Tusks," it would be A, but that is not the case. only part of it is inside. so D is the correct answer.

I hope this helps, and have a nice day!

8 0
3 years ago
Read 2 more answers
In a study of a gender selection method used to increase the likelihood of a baby being born a​ girl, 2086 users of the method g
kipiarov [429]

Answer:

C : does not have statistical significance

Step-by-step explanation:

Because there is a 15% chance of getting that many girls by chance, the method - does not have statistical significance.

By this method, the percentage of girls = 1067/2086=0.5115 or 51.15%

This type of method does not have practical significance.

6 0
3 years ago
The angle by which AB turns clockwise about point B to coincide with BC is ? degrees. If from point B, a point E is drawn direct
dedylja [7]

Answer:

Step-by-step explanation:

We have the statement AB turns clockwise to coincide with BC.

= ABD + DBC

= 33.3° + 30.6°  

= 63.9°

Now we have the statement a point E is drawn directly opposite point C. B, E, and C are on the same straight line

EBC is a straight line, so sum of angles =180°

ABE + ABD + DBC = 180°

ABE + 33.3° + 30.6° = 180°

ABE + 63.9° = 180°

ABE = 180 - 63.1

ABE = 116.9° ....

3 0
3 years ago
Need help asp please I ready
Natalka [10]

Answer:

-4m-3

Step-by-step explanation:

-0.25 times 16 is the same thing as dividing 16 by -4. 16m divided by -4 is -4m

-0.25 times 12 is the same thing as dividing 12 by -4. 12 divided by -4 is -3

3 0
2 years ago
Read 2 more answers
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