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guapka [62]
3 years ago
7

If 5^3 b-1=5^b-3, what is the value of b?

Mathematics
1 answer:
kondaur [170]3 years ago
3 0
Let's solve your equation step-by-step.<span><span><span><span>(<span>53</span>)</span><span>(b)</span></span>−1</span>=<span><span>5b</span>−3</span></span><span><span><span>125b</span>−1</span>=<span><span>5b</span>−3</span></span>Step 1: Flip the equation.<span><span><span>5b</span>−3</span>=<span><span>125b</span>−1</span></span>Step 2: Add 3 to both sides.<span><span><span><span>5b</span>−3</span>+3</span>=<span><span><span>125b</span>−1</span>+3</span></span><span><span>5b</span>=<span><span>125b</span>+<span>2
I cant go more its impossible mark me as brainless please!!</span></span></span>
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Someone plz help!!!!!! ​
aliina [53]

Answer: X = 7√2

Step-by-step explanation:

Let first Consider triangle BDC,

Cos C = adjacent/ hypothenus

Cos C = 7 / x ...... (1)

Also, let consider triangle ABC

Cos C = adjacent / hypothenus

Cos C = x / 14 ....... (2)

Since angle C is the same, equate equation 1 to 2

7/ x = x / 14

Cross multiply

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Make x the subject of formula

X = sqrt (98)

X = sqrt ( 49 × 2 )

X = sqrt (49) × sqrt (2)

X = 7 sqrt(2)

X = 7√2

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What is the ratio of 20 praise and 2000 rupees<br>​
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Read 2 more answers
Two kilos of taronges and three kilos of mandarins cost 11.50 euros. Three kilos of taronges and two of mandarins cost 11 euros.
Illusion [34]

Answer:

Hence the pricing for each product will be taronges with 2 euros and mandarins with 2.5 euros.

Step-by-step explanation:

Given:

2 kg of taronges and 3 kg mandarins cost 11.5 euros

3kg taronges and 2 kg mandarins cost 11 euros

To Find:

Price for each product

Solution:

<em>Consider </em>

<em>Taronges =x euros</em>

<em>Mandarins=y euros</em>

So by given condition,

2x+3y=11.5  ....................equation(1)

and 3x+2y=11 ..............equation (2)

So , using substitution method,

3x=11-2y

x=11-2y/3 .......equation (3)

Using above value in equation(1) we get ,

2(11-2y)/3+3y=11.5

y=(11.5*3-22)/5)

y=2.5 euros

Using above value in equation(3)  we get ,

x=(11-2y)/3

x=(11-2*2.5)/3

x=(11-5)/3

x=2 euros

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Answer:

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