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tia_tia [17]
2 years ago
9

Whats The Answer Marking Brainliest, Please explain your answer:D..........

Mathematics
2 answers:
natta225 [31]2 years ago
8 0
Answer: A

2^2 = 4
6-4= 2
and 4*2 equals 8.
algol [13]2 years ago
5 0
The answer should be A

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Solve x - 6 = -12 A) -18 B) -6 C) 2 D) 6
asambeis [7]
The answer would be -6 or letter B because
x - 6 =   - 12 \\ x - 6 + 6 =  - 12 + 6 \\ x =  - 6
8 0
3 years ago
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Alana ate breakfast at a restaurant. The bill came to $79.75. If she left 20% tip, how much was the tip?
Lana71 [14]
$79.75*0.2= 15.95
$79.75-15.95= $63.80
63.80+15.95= $79.75

Answer= $15.95
3 0
2 years ago
◆ Quadratic Equations ◆<br>Please help !
Mila [183]
I'm sure there's an easier way of solving it than the way I did, but I'm not sure what it could be. Never dealt with a problem like this before.

Anyway, I just plugged in and tested. Chose random values for a, b, c, and d, which follow the rule 0 < a < b < c < d:

a = 1
b = 2
c = 3
d = 4

\sf ax^2+(1-a(b+c))x+abc-d)

\sf 1x^2+(1-1(2+3))x+(1)(2)(3)-(4))

Simplify into standard form:

\sf x^2+(1-1(5))x+6-4

\sf x^2+(1-5)x+2

\sf x^2-4x+2

Use the quadratic formula to solve:

\sf x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}

For functions in the form of \sf ax^2+bx+c. So in this case:

a = 1
b = -4
c = 2

Plug them in:

\sf x=\dfrac{4\pm\sqrt{(-4)^2-4(1)(2)}}{2(1)}

Solve for 'x':

\sf x=\dfrac{4\pm\sqrt{16-8}}{2}

\sf x=\dfrac{4\pm\sqrt{8}}{2}

\sf x\approx\dfrac{4\pm 2.83}{2}

\sf x\approx 0.59,3.41

So the answer would be A.
3 0
3 years ago
Solve: 7+42*3^(2-3a)=14*3^-2a+7<br> A=-3<br> a=0<br> a=3<br> a=no solution
bekas [8.4K]

Answer:C

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
(07.07)
dangina [55]

Answer:

c

Step-by-step explanation:

1.58 times the number of n bags equal to z money nedded to buy n bags of popcorn

7 0
3 years ago
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