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cupoosta [38]
2 years ago
8

Select the correct answer from each drop-down menu.

Mathematics
1 answer:
irakobra [83]2 years ago
6 0

Answer:

The length of side AC is 5 units.

The areas of triangle ABC is 10 square units.

Step-by-step explanation:

From point A (1,3) to point C (1,-2) is 5 units

To check this:

3 - (-2) = 3 + 2 =5

We're subtracting since the point went down (from positive 3 to negative 2)

Now for the area:

Area formula for a triangle: \frac{1}{2}bh = \frac{1}{2}⋅b⋅h

We already found the height (length) : 5

The base is from point C (1,-2) to point B (5,-2), which is 4 units

To check this:

5 - 1 = 4

Now that we have found the base and height, Let's solve:

\frac{1}{2}⋅4⋅5 = \frac{1}{2}⋅20 = 10

Our area is 10 square units.

Hope that helps :)

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Is 3pi/2pi a rational number or an irrational number? Explain your reasoning
Vadim26 [7]

Answer:

It is rational

Step-by-step explanation:

The pi terms cancel out when you divide. This is due to the rule x/x = 1 where x is any number you want except x cannot be zero. So replace x with pi and we have pi/pi = 1

Therefore,

(3pi)/(2pi) = (3/2)*(pi/pi)

(3pi)/(2pi) = (3/2)*1 .... use the rule mentioned above

(3pi)/(2pi) = 3/2

we get a fraction or a ratio of two whole numbers, so this proves that the given expression is rational.

7 0
2 years ago
2x + 5y - 3x + 11y =
Nitella [24]

Answer:

− x + 16y

Step-by-step explanation:

2x + 5y − 3x + 11y

= 2x + 5y + − 3x + 11y

Combine Like Terms:

= 2x + 5y + − 3x + 11y

= (2x + − 3x) + (5y + 11y)

= − x + 16y

7 0
3 years ago
If there is more then more solution, separate them with commas.)<br> (2x + 9)(3-z) = 0
bagirrra123 [75]

Answer:

Step-by-step explanation:

hello :

(2x + 9)(3-z) = 0  means : 2x+9=0 or 3-z=0

x= -9/2  or  z=3

3 0
3 years ago
Calculate the circumference. round to the nearest hundredth. 16 inches
goldenfox [79]

Given the radius is, r = 16 in,

The expression for the circumference of a circle is,

C=2\pi r

Therefore, we have,

C=2\times3.14\times16\text{ in = }100.48\text{ in}

Thus, the circumference of the circle is 100.48 in.

6 0
11 months ago
Select three expressions equivalent to -3/4
Daniel [21]

Answer:

0.75 as a decimal for -3/4

I hope this helps

5 0
3 years ago
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