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nlexa [21]
3 years ago
12

I don't understand this?​

Mathematics
1 answer:
Sophie [7]3 years ago
3 0

Answer:

THE ANSWER IS B. If someone owes something the number is negative, and if someone has money the number is positive, MARK ME BRAINLIEST!!!!!!

Step-by-step explanation:

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What is b PLSSSS ANSWER<br> WILL GIVE BRAINLIEST
Ket [755]

Answer: -15 divided by 0.3 is the same as -15/3/10 but to solve we can do -15 times 10/3 witch is -150/3=-50

Step-by-step explanation:

3 0
3 years ago
Find S18 for geometric series given a5=-6 and a2= -48
Ganezh [65]

an = a1r^(n-1)

a5 = a1 r^(5-1)

-6 =a1 r^4


a2 = a1 r^(2-1)

-48 = a1 r


divide

-6 =a1 r^4

----------------    yields   1/8 = r^3      take the cube root  or each side

-48 = a1 r                     1/2 = r


an = a1r^(n-1)

an = a1 (1/2)^ (n-1)

-48 = a1 (1/2) ^1

divide by 1/2

-96 = a1


an = -96 (1/2)^ (n-1)


the sum

Sn = a1[(r^n - 1/(r - 1)]

S18 = -96 [( (1/2) ^17 -1/ (1/2 -1)]

       =-96 [ (1/2) ^ 17 -1 /-1/2]

      = 192 * [-131071/131072]

 approximately -192

     

       

     

3 0
3 years ago
When the two equations are graphed on a coordinate plane, they intersect at two points.
Law Incorporation [45]

Answer:

(0,4) and (-2,0)

Step-by-step explanation:

y=3x²+4x+4

y = -2x +4

3x²+4x+4 = - 2x +4

3x²+6x=0

3x(x+2)=0

x=0, x= -2

x=0, y=-2x+4= -2*0 + 4 =4,   (0,4)

x= - 2, y = 2x + 4= 2*(-2) +4=0,    (-2,0)

3 0
3 years ago
Which symbol, &gt;, &lt;, or = will complete the statement
trapecia [35]

Answer:

<

Step-by-step explanation:

-4.2 + 1.5 = -2.7 and -5.4 + 2.1 = -3.3

-2.7 is less than -3.3

7 0
2 years ago
Read 2 more answers
13 is what percent of 15?
Bezzdna [24]

Answer:

86.67%

Step-by-step explanation:

5 0
2 years ago
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