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siniylev [52]
3 years ago
10

Plz I need the answer

Mathematics
1 answer:
alexandr1967 [171]3 years ago
5 0
The answer is 5 inches
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Theo started to solve the quadratic equation (x + 2)^2 – 9 = –5. He added 9 to both sides and the resulting equation was (x + 2)
Sliva [168]
When we take the square root of each side, the equation would become:
abs (x+2) = 2
⇒ x+2 = <span>±2.

The final answer is </span><span>x + 2 = ±2.
</span>
Hope this helps~



6 0
3 years ago
Read 2 more answers
3t^2+10t+7<br> factor im confused what im doing
mrs_skeptik [129]

Answer:

(3t + 7) (t + 1)

Step-by-step explanation:

3t^2 + 10t + 7

(3t^2 + 3t) (7t+7)

3t (t+1) 7 (t+1)

(3t+7) (t+1)

8 0
3 years ago
There is no question pt7
suter [353]

Thanks again you are VERY sweet and kind!

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The table below shows the sample space for spinning a 4-part spinner (labeled A, B, C, D) and then a 5-part spinner (labeled V,
Kipish [7]
2/9 i think im noy sure
8 0
3 years ago
Read 2 more answers
PLEASE HELP! WILL UPVOTE!
bagirrra123 [75]
Just "plug n chug" as my teacher would say. In other words, replace the letters with the values. 

Choice A is (7,19) which means x = 7 and y = 19. Let's replace the x and y value with these numbers in both equations. If we get a true equation, then we found the answer. 

2x-y = -5
2*7-19 = -5
14-19 = -5
-5 = -5 ... true
So that works. Let's try the other equation
x+3y = 22
7+3*19 = 22
7+57 = 22
64 = 22 ... false 
So choice A is NOT the answer because of this. Let's try out choice B
2x-y = -5
2*4-9 = -5
-1 = -5 ... false
so B doesn't work either. How about C? 
2x-y = -5
2*8-21 = -5
-5 = -5 ... that works
x+3y = 22
8+3*21 = 22
71 = 22 ... but this is false
So D has to be the answer. Let's check to confirm or not
2x-y = -5
2*1-7 = -5
-5 = -5 ... true
x+3y = 22
1+3*7 = 22
22 = 22 ... true
BOTH equations are true at the same time so (1,7) is definitely the final answer


6 0
3 years ago
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