Serrians triangle has a height of 3x-4 and the base length is 8x+4 what is the area of the triangle

1 answer:

3 0

Area of a triangle is base × height ÷2
base=8x+4 x=-4/8 x=-1/2
height=3x-4 x=4/3

A=b×h÷2
A=(-1/2×4/3)÷2
A=(-4/6)÷2
A=(-4/6)÷2/1 to divide by fractions flip the second and multiply
A=-4/6×1/2
A=-4/12
A=-1/3

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Scientific Notation:<br> what’s (2.2 x 10 to the -4) - (3 x 10 to the 2)

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Answer:

$2.23\times10^4$

Step-by-step explanation:

In order to get the answer to this question you need to turn the scientific notations into standard form then subtract the two standard forms.

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Turn the notations into standard form:

$2.2\times10^{-4} = .00022$

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Turn into notation form:

$22300 = 2.23\times10^{4}$

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liubo4ka [24]

Answer:

The numbers are 12 and 3.

Step-by-step explanation:

We can solve this problem by working with the information we have and setting up some equations.

We know that one number is four times as large as another. So, let the smaller number be represented by the variable x and the bigger number be represented by 4x, since it is four times as large.

Now, we know that if the numbers are added together, then the result is six less than seven times the smaller number. This can also be represented by the equation 4x + x = 7x - 6.

Let's solve that equation like so:

$4x + x = 7x - 6\\5x = 7x - 6\\-2x = -6\\x = 3$

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The area of a trapezoid is 33 square meters. one base is 4 meters long and the other base is 7 meters. find the height of the tr

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Question 3

DanielleElmas [232]

It would be -6. -4-6 is -10

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