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2 years ago

Find the area. Do you multiply all sides?

Mathematics

2 answers:

miss Akunina [59]2 years ago

4 0

Answer:

The area of the Trapezoid is :

h(a+b)/2

3(2+6.2)/2

3(8.2)/2

24.6/2

12.3 m²

arlik [135]2 years ago

3 0

Answer:

Step-by-step explanation:

I think you are to assume that this is a trapezoid and that the top right angle symbol is missing.

Area = (b1 + b2 ) * h /2

Givens

b1 = 2

b2 = 6.2

h = 3

Solution

Area = (2 + 6.2)* 3 / 2 Combine what is inside the brackets

Area = 8.2 * 3 / 2 Divide by 2

Area = 4.1 * 3 Combine

Answer: Area = 12.3

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43046721 as a single power of 9

Levart [38]

Answer:

$9^8$

Step-by-step explanation:

$9^8=43046721$

$ln(9^x)=xln(9)$

so we search $x=ln(43046721)/ln(9)$

hope this helps

4 0

3 years ago

Read 2 more answers

Expand (x-2) (x-1). Must be in polynomial form.

Ludmilka [50]

To expand two terms such as these, we can use the method called FOIL (stands for First, Outer, Inner, Last). Here is what I mean:

We have two terms: (x - 2)(x - 1)

We should first multiply the First two terms of each term in order to complete the F stage:

(x)*(x) = $x^{2}$

So then, we take the two outer terms and multiply them together to complete the O stage:

(x)*(-1) = -x

So far we have two things that we have calculated; at the end of the FOIL process we will have four.

To keep going with the FOIL, we now multiply the two inner terms to complete the I stage:

(-2)*(x) = -2x

Last but not least, we need to complete the L stage - so we multiply the two last terms of each term:

(-2)*(-1) = 2

Now that we have our four terms, let us add them together and combine like terms:

$x^{2} + (-x) + (-2x) + 2$

Since -x and -2x both have the x portion in common and they are added together, we can add them to create one single term:

-x + (-2x) = -3x

So now that we have our terms completed, we can combine into one polynomial equation:

$x^{2} + (-3x) + 2$ or $x^{2} -3x+2$

6 0

3 years ago

How stopwatch can measure accurate reading?

S_A_V [24]

answer in picture

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