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irina [24]
3 years ago
10

What is the area of the trapezoid? [A = 1 2 (b1 + b2)h]

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
7 0
The area of a trapezium is 
A = (a<span>+</span><span>b)*h</span><span>/2
24 + 18 = 46 * 5 = 230 / 2 = 115</span>
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If g(x)= x^2-2x-6 and h(x)= 2x^2-5x+2 find (h-g) (-2)
Natalka [10]

Answer:

<h2>(h - g)( - 2) = 18</h2>

Step-by-step explanation:

g(x) = x² - 2x - 6

h(x) = 2x² - 5x + 2

To find (h-g) (-2) we must first find h - g(x)

To find h - g(x) subtract g(x) from h(x)

We have

<h3>(h - g)(x) =  {2x}^{2}  - 5x + 2 - ( {x}^{2}  - 2x - 6)  \\  =  {2x}^{2}  - 5x + 2 -  {x}^{2}  + 2x + 6 \\  =  {2x}^{2}  -  {x}^{2}  - 5x + 2x + 2 + 6</h3><h3>(h - g)(x) =  {x}^{2}  - 3x + 8</h3>

To find (h-g) (-2) substitute the value of x that's - 2 into (h - g)(x) that's replace every x in (h - g)(x) by - 2

That's

<h3>(h - g)( - 2) =  ({ - 2})^{2}  - 3( - 2) + 8 \\  = 4 + 6 + 8 \\  = 10 + 8</h3>

We have the final answer as

<h3>(h - g)( - 2) = 18</h3>

Hope this helps you

7 0
4 years ago
Just type in a joke and I will give brainliest for fun
Lilit [14]

Answer:

I went to the zoo the other day, there was no animals except for a dog!

It was a <em>shiht-zu</em><em>!</em>

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4 0
3 years ago
These are all my points I'm desperate please help I've posted this 4 other times
Juliette [100K]

Answer:

y = (x+3)^2 -1

Step-by-step explanation:

The vertex form of the equation is

y = a(x-h)^2 +k  where (h,k) is the vertex

The vertex is (-3,-1)

y = a(x- -3)^2 -1

y = a(x+3)^2 -1

Pick another point  (-2,0) and substitute it into the equation

0 = a(-2+3)^2 -1  to find a

0 =a(1)^2 -1

0 = a-1

1 = a

y = (x+3)^2 -1

8 0
3 years ago
Read 2 more answers
A school assembly had 90 students in attendance, and 80% of them were first-graders. How many first-graders were at the assembly
Sav [38]

the answer is 72! Hope this helps! :)

5 0
3 years ago
Read 2 more answers
I reaalllly neeeed heeellllppppp brainleist to who gives the right answer
timofeeve [1]

Answer:

24+48+10+14+4=100

10+4=14

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Step-by-step explanation:

Experimental probability is the result of an individual experiment, not theoretical probability

8 0
3 years ago
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