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Zolol [24]
2 years ago
9

The outline of Sara's family room, including the entry, is shown.

Mathematics
1 answer:
Alexus [3.1K]2 years ago
4 0
143, multiply 9 and 12 then you get 108. Then subtract 7 from 12 to get the length of the top square an that is 5 then you multiply 5 and 7 to get 35 you add that to 108 and get 143 hope this helps:)
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Z=Xm+n-p,solve for x
timama [110]

z=xm+n-p

We need to isolate x to one side I will do that on the left side so it looks cleaner, therefore I will first flip the equation.

xm+n-p=z

Now move the n and p to the right side

xm=z-n+p

x=(z-n+p)/m

Hope this helped, if you have any questions about this just comment and I will come answer.

6 0
2 years ago
Evaluate if a = 28 and b = -3.<br> a<br> 4 + b<br> = [?]
SVEN [57.7K]

Answer:

109

Step-by-step explanation:

(4)28+(-3)

4*28=112

112+(-3)

112-3

109

Hope this helps, LMK if its right

4 0
2 years ago
A small rock falling from the top of a 124-ft-tall building with an initial downward velocity of -30ft/sec is modeled by the equ
Mandarinka [93]
You need to solve this for h(t)=0

<span>-16t^2-30t+124=0

This has two solutions, one is negative that does not make sense as time cannot be negative. 
The positive solution is t=2

So the interval where it is in the air is [0;2) 

</span>
5 0
2 years ago
Read 2 more answers
-2x=-x-3 I don't know how to solve it
Reil [10]

Answer:

<h2>x = 3</h2>

Step-by-step explanation:

-2x=-x-3\qquad\text{add}\ x\ \text{to both sides}\\\\-2x+x=-x+x-3\\\\-x=-3\qquad\text{change the signs}\\\\x=3

5 0
3 years ago
2x≥12 <br>I can't figure this out ​
Serhud [2]

Answer:

x \geq 6

Step-by-step explanation:

You can start by dividing both sides by 2, getting x \geq 6.

7 0
2 years ago
Read 2 more answers
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