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Vedmedyk [2.9K]
3 years ago
8

Solve and show work to -3 exponent 2 =

Mathematics
1 answer:
olganol [36]3 years ago
4 0
I think it might be 9
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What are the roots of 2x^2+10×-48=0
mojhsa [17]
X=-8,3.
divide all terms by the two in the first term to get x^2+5x-24=0. Then find the factors. To do so, find what two numbers can be multiplied to get 24, and whether those two numbers can be added or subtracted to get the middle term (5). Since 8x(-3)=24 and 8-3=5, (x+8) and (x-3) are the factors. Then set the factors equal to zero. Add or subtract these numbers to the other side of the equation and you then get x=-8,3. These are the roots.
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3 years ago
Write the Number with the same value as 28 tens
zvonat [6]
280 because 28 *10 is 280.
3 0
3 years ago
Tommy's mom gave him $50 for cutting their grass. He used the money to buy a game for $15.75 and two snacks that cost $1.50 each
Alborosie

Answer:

a = $17.25

Step-by-step explanation:

let the money spend on the necklace be a

we have

15.75 +1.5*2 +a + 14 = 50

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8 0
3 years ago
Find the sequence 3n-1
aivan3 [116]

a(1) = 3(1)-1 = 3-1 = 2

a(2) = 3(2)-1 = 6-1 = 5

a(3) = 3(3)-1 = 9-1 = 8

So, the sequence would be 2,5,8,11....

6 0
3 years ago
Solve 6( x + 20) = 168
Licemer1 [7]

Answer: X=8

Step-by-step explanation:

168/6=28. x+20=28. 8+20=28.

6(8+20)=168

8 0
3 years ago
Read 2 more answers
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