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jasenka [17]
3 years ago
9

How do you solve a quadratic formula

Mathematics
1 answer:
VladimirAG [237]3 years ago
3 0
There's a lot of ways! So, you can plug in and solve, solve for the two roots, solve for the vertex form, and solve for the standard form. Multiple ways!
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-15=2t-11 does any one know it please
Murljashka [212]

Add 11 to both sides:

-4=-2t

divide 2 by both sides

2=t

Hope it helps! Comment if you have any questions!

5 0
3 years ago
Read 2 more answers
When a jug is half- filled with marbles, it weighs 2.6 kg. The jug weighs 4 kg when it is full. Find the weight of the empty jug
baherus [9]

the difference between a full jug and a jug that is half full will give us the weight of the marbles only in a half full jug:
4 - 2.6 = 1.4 kg

In a half full jug that weighs 2.6 kg, the weight of the marbles is 1.4 kg 
the weight of the jug = 2.6 - 1.4 = 1.2 kg

5 0
3 years ago
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In the same area where there are 3 Mankey Pokemon, 4 Pidgey Pokemon, and 2 Rattata Pokemon. What would be the probability of run
Mrac [35]

The probability of you running into a Mankey Pokemon and then a Pidgey Pokemonis 4/27.

6 0
2 years ago
Solve the equation. –3x + 6 = –9
abruzzese [7]

Answer:

x=5

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
You bought a magazine for $3 and two notepads. You spent a total of $13. How much did each notepad cost? *
sweet-ann [11.9K]

Answer:

$5

Step-by-step explanation:

We want to find the cost of a notepad considering a magazine costs $3 and we buy 2 notepads and the total cost of the magazine and the 2 notepads is $13 so we can set up an equation to represent this situation. Let 'n' be notepads and that's the value we are solving for so,

⇒ Form the equation

→ 2n + 3 = 13

⇒ Minus 3 from both sides to isolate 2n

→ 2n = 10

⇒ Divide both sides by 2 to find the cost of one notepad

→ n = 5

The cost of one notepad is $5 considering that a magazine cost's $3 and two notepads and total is $13.

4 0
2 years ago
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