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kaheart [24]
2 years ago
12

Please help I’m doing super bad in math

Mathematics
1 answer:
kvv77 [185]2 years ago
3 0
C because the way it is
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Im begging someone help me please
Tems11 [23]

Answer:

c. a: 4

b: 12

c: 9

4x² +12x+9=0

(2x+3)(2x+3)= 0

(2x+3)²=0 {square root both sides}

2x+3=0

2x=-3

x= -3/2

7 0
3 years ago
If m&lt;BDC = 20, m arc AB = 140, and marc CD = 120, find m&lt;1.<br><br>​
lara [203]

Answer:

40

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Step-by-step explanation:

4 0
2 years ago
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What is the value of 14 – 2 • 3 + 42?<br><br> someone help me understand
xxMikexx [17]

Based on PEMDAS, in this expression, we need to do multiplication first, which is 2 times 3, which is 6. Now, the expression is 14-6+42. 14-6 is 8, and 8+42 is 50, so the answer is 50.

Hope this helps!

8 0
2 years ago
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Two stockings have different amounts of candy canes. The girl said to the boy, "if I give you one of my candy canes, we'll have
liubo4ka [24]

9514 1404 393

Answer:

  • girl: 7
  • boy: 5

Step-by-step explanation:

Let g and b represent the numbers of candy canes the girl and boy have, respectively.

  g -1 = b +1 . . . . . . girl gives to boy, they're equal

  g +1 = 2(b -1) . . . . boy gives to girl; she has double

Adding 1 to the first equation gives an expression for g that can be substituted into the second equation.

  g = b +2

  (b +2) +1 = 2b -2

  5 = b . . . . . . . . . . add 2-b, simplify

  g = 5+2 = 7 . . . . . find g

The girl has 7 candy canes; the boy has 5.

8 0
2 years ago
(8a^3÷27x^-3)1÷3 simplify<br>​
Damm [24]

Answer: (8a^3x^3)/81

Step-by-step explanation: Simplifying the expression :)

8 0
2 years ago
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