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alexira [117]
3 years ago
13

Can a triangle be formed with the side lengths of 8cm 4cm and 12cm?

Mathematics
2 answers:
AVprozaik [17]3 years ago
5 0

use a^2+b^2=c^2

8^2+4^2 12^2

64+8       144

=72

72<144

so no

exis [7]3 years ago
3 0
I'd suggest posting this in math next time! But, No. The sum of the measures shorter legnths of the sides must be greater than the measure of the greatest angle. 
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Help for both a and b
kipiarov [429]

Hi!

Remember that an x-intercept is a point in which the line touches the x-axis (the horizontal line). And, the y-intercept is a point in which the line touches the y-axis (the vertical/up and down line)

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For A)

The coordinate of the y-intercept is (0,1)

The coordinate of the x-intercept is (3,0)

For B)

The coordinate of the y-intercept is (0,0)

The coordinate of the x-intercept is (0,0) !

*both the x and y axis meet at the origin. So, a line that goes through the origin (0,0) is intersecting with BOTH the x and y-axis.

Hope I helped! Comment if you have any questions or concerns.

-Gabby5792

5 0
2 years ago
160% of what number is 19.2
riadik2000 [5.3K]

Answer:

The number is 12

Step-by-step explanation:

Let x be the number

160/100 = 1.6

1.6 x = 19.2

x = 19.2 / 1.6

x = 12

7 0
3 years ago
Solve 5-3^x=-40 round to the nearest ten-thousandth
solong [7]

5-3^x = -40

 subtract 5 from each side to get

-3^x=-45

 divide both sides by -1 to make them positive

3^x = 45

need to do the natural logarithm on both sides to remove the variable from the exponent

 so ln(3^x) = ln(45)

 use logarithm rule to move x out

x ln (3) = ln(45)

 dive each term by ln(3) then simplify to get

ln(3)/ln(45)

 so x = ln(3)/ln(45) which calculates out to 3.46497352

round off to ten thousandths is 3.4650

 

4 0
3 years ago
Read 2 more answers
What is 7x^5-33x^4-4x^2+3x+52=0
lorasvet [3.4K]
7x^5-33x^4-4x^2+3x+52=

ANSWER: 7x^5 -33x^4 -4x^2+3x+52  (because there are no like terms)
                  
5 0
3 years ago
May I Please get help?
fiasKO [112]
5 inches by 7 inches.

To find the area of a parallelogram, you can just do base * height. In this case, all other options, once multiplied, equal 36 square inches, it's only 5 * 7 that equals 35 square inches.
3 0
3 years ago
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