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Tanzania [10]
2 years ago
10

so my equation is x^2-30x=-125. i already completed the square but what does it mean when i have to add (b/2)^2

Mathematics
1 answer:
Blizzard [7]2 years ago
7 0

Answer:

mh

Step-by-step explanation:

mfhnyjjjjjjjjjjjjjjjj

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3.) (1.012 X10-2) + (2.4X10-4)<br>​
DanielleElmas [232]

Answer:

=(10.12-2)+(24-4)

=8.12+20

=28.12

6 0
2 years ago
Help i need help please
lubasha [3.4K]

Answer: C

Step-by-step explanation:

On the big triangle, the length from the origin to point A is three blocks. On the new triangle it is only one block. And it is getting smaller, so it is a fraction.

1/3 over the y axis.

7 0
2 years ago
Help PLEASE. I got number 3 but I can't figure out number 4.
Sergeeva-Olga [200]

Answer:

Verify the identity using trig rules.

tan  (  x  −  π /2  )  =  − cot  (  x  )  is an identity

Step-by-step explanation:

i think this is it, hope it helps

6 0
3 years ago
Which value is equivalent to 7 multiplied by 3 multiplied by 2 whole over 7 multiplied by 5, the whole raised to the power of 2
PilotLPTM [1.2K]

Answer:

36/25

Step-by-step explanation:

7 multiplied by 3 multiplied by 2 whole over 7 multiplied by 5, the whole raised to the power of 2 multiplied by 7 to the power of 0 over 5 to the power of negative 3, whole to the power of 3 multiplied by 5 to the power of negative 9

((7 * 3 * 2)/(7 * 5))^2 * (7^0/5^-3)^3 * 5^-9 =

= (42/35)^2 * (1 * 5^3)^3 * 5^-9

= (6/5)^2 * 5^9* 5^-9

= 36/25 * 5^0

= 36/25

8 0
2 years ago
Solve for n 50 points <br><br> a=p(1+r/n)^rn
Andreyy89

Answer:

n = \frac{r}{\sqrt[nt]{\frac{a}{p}} -1 }

Step-by-step explanation:

a=p(1+\frac{r}{n} )^{nt}

\frac{a}{p} =(1+\frac{r}{n} )^{nt}

\sqrt[nt]{\frac{a}{p}}  =(1+\frac{r}{n} )

\sqrt[nt]{\frac{a}{p}} -1 =(\frac{r}{n} )

n = \frac{r}{\sqrt[nt]{\frac{a}{p}} -1 }

[ Do not confuse, as there are 2 n's, one in subject and another as power. We can never make the power or in a root, the subject. In order to solve for n, we have to make the character "n", the subject. ]

8 0
1 year ago
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