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2 years ago

Hi Please answer this for me ill thank u and rate I Need it asap Thank U :D

Mathematics

1 answer:

Law Incorporation [45]2 years ago

8 0

Answer:4) 1. (3^4)^3=3^12 ,

2.(-10^3)^6=-10^18 others are similar...

5) 1. (2^7/2^5)=2^2,4 ,

2.(a^7/a^3)=a^4 ,

7. [(-4)^3 x (-4)^5)]/[ (-4)^2 x(-4)^3]=4^3 others are similar...

Step-by-step explanation: 4)1. step1. 3^(4x3) , 2. step1. -10^(3x6)

step2. 3^12 , step2. -10^18

5)1. step1. 2^(7-5) , 2. step1. a^(7-3)

step2. 2^(2) , step2. a^(4)

7. step1. -4^(3+5)/-4^(2+3)

step2. -4^(8)/-4^(5)

step3. 4^(8-5)

step4. 4^(3)

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The loans interest rate is 6.57305%

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3 0

2 years ago

9/20

NISA [10]

For this case we must find the solution of the following quadratic equation:

$x ^ 2 + 5x + 7 = 0$

Where:

$a = 1\\b = 5\\c = 7$

Then, the solution is given by:

$x = \frac {-b \pm \sqrt {b ^ 2-4 (a) (c)}} {2a}$

Substituting the values:

$x = \frac {-5 \pm \sqrt {5 ^ 2-4 (1) (7)}} {2 (1)}\\x = \frac {-5 \pm \sqrt {25-28}} {2}\\x = \frac {-5 \pm \sqrt {-3}} {2}$

By definition we have: $i ^ 2 = -1$

$x = \frac {-5 \pm \sqrt {3i ^ 2}} {2}\\x = \frac {-5 \pm i \sqrt {3}} {2}$

Thus, we have two complex roots.

Answer:

The equation has no real roots.

4 0

3 years ago

Which ordered pairs make both inequalities true? Check all that apply.

Margaret [11]

When an <span>inequality is true it is in the region that both are shaded, so the answer would be 1,1 and 2,2</span>

6 0

3 years ago

Read 2 more answers

PLEASE HELP WILL GIVE BRAINLY IF U HELP ME

konstantin123 [22]

Answer:

Step-by-step explanation:

8 0

2 years ago

The roots of the equation are 3 + 8i and 3 – 8i.

g100num [7]

Given that the roots of the equation x^2-6x+c=0 are 3+8i and 3-8i, the value of c can be obtained as follows;
taking x=3+8i and substituting it in our equation we get:
(3+8i)^2-6(3+8i)+c=0
-55+48i-18-48i+c=0
collecting the like terms we get:
-55-18+48i-48i+c=0
-73+c=0
c=73
the answer is c=73

3 0

3 years ago