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ANEK [815]
3 years ago
8

Which of the following is equivalent to (5)^7/3? 5^-4 5^4 ^7squroot5^3 ^3squroot5^7​

Mathematics
1 answer:
kvv77 [185]3 years ago
8 0

Answer:

^7 squroot5^3

Step-by-step explanation:

5x2= 10

7÷ 3= 2.5

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d.39%

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One wet weekend, 0.86 inches of rain fell on saturday. the next day, 1.52 inches of rain fell. how many inches of rain fell over
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3 years ago
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Help me help me answer this
Leya [2.2K]

If both triangles are congruent (that's what the sign means), then AD=CB, and CD=AB. Substituting what we are given into CD=AB,


6x-5=3x+10

Solving the equation:

3x=15

x=5

So we know that 2x+4 (the value of AD) becomes 2*5 +4, and you get 14. Since we know that AD=CB, then CB is also 14. No need to find y!

Answer: CB=14

8 0
3 years ago
In a geometric sequence, if a3 = ‒5 and a6 = 40, determine a1, r, and an. Then write the first three terms of the sequence.
Tresset [83]
a_4=ra_3
a_5=ra_4=r^2a_3
a_6=ra_5=r^3a_3

40=-5r^3\implies r^3=-8\implies r=-2

a_3=ra_2=r^2a_1

-5=(-2)^2a_1\implies a_1=-\dfrac54

You know the first and third terms, a_1 and a_3, so you just need to find the second term a_2:

a_2=ra_1\implies a_2=-2\left(-\dfrac54\right)=\dfrac52
7 0
3 years ago
a central angle of circle of radius 50cm intercept an arc of 10 cm .Express central angle in radian n in degree​
Elodia [21]

Answer:

11.7 degrees approximated to 12 degrees

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