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quester [9]
3 years ago
15

If x=5^a, find the value of 5x

Mathematics
1 answer:
Harrizon [31]3 years ago
8 0

Answer:

The given expression is written as 5^{1+a}

Step-by-step explanation:

Given as :

The expression is written as  x = 5^{a}

Now foe 5 x , the expression is written as

5^{1} × 5^{a}

Now <u>from base indices method </u>

here base is same so, power should be added

∴ 5^{1+a}

Hence The given expression is written as 5^{1+a} , Answer

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Is the following number rational or irrational?
zubka84 [21]

Answer:

B.

Step-by-step explanation:

Irrational as π is irrational.

7 0
3 years ago
The mean length of 7 planks of wood is 1.35m. When an extra plank of wood is added, the mean length of a plank of wood increase
azamat

Answer: Hello There!................

Mean = Sum of observation / total number of observation

Mean = 1.35m

1.35  = Sum of length of 7 wood planks/ 7

1.35*7 = Sum of the length of 7 wood planks

9.45 = Sum of the length of 7 wood planks

Let the length of extra added wood plank = x

So,

(Sum of the length of 7 wood planks + x) / 8 = 1.4m

(9.45 + x) / 8 = 1.4

9.45 + x = 1.4 * 8

9.45 + x = 11.2

x = 11.2- 9.45

= 1.75

So,

The length of extra added wood plank = 1.75m

Step-by-step explanation:

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6 0
3 years ago
X- (-12)=25 <br><br> ( FIND X)
Dafna11 [192]

Step-by-step explanation:

X- (-12)=25

X+12=25

X=25-12

X=13

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8 0
3 years ago
Don't understand please help
alex41 [277]
The answer is 42 bc 42-6 is 36
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3 years ago
An airplane travels 550 miles from North Carolina to Tennessee in 90 minutes. At this rate, how many minutes will it take the ai
scZoUnD [109]

Answer:

It will take 1,080 min or 18 hours

Step-by-step explanation:

Here is why, since 6600 miles is 12 times farther than 550 miles you'd multiply the time it took to go 550 miles by 12 too

8 0
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