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neonofarm [45]
3 years ago
9

5/7^3=5(7^x) Find X. Thanks.

Mathematics
1 answer:
Zina [86]3 years ago
8 0
Hello,

\dfrac{5}{7^3}=5*7^x\\
5*7^{-3}=5*7^x\\

\boxed{x=-3}

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Equation:<br><img src="https://tex.z-dn.net/?f=5%20%2B%205%20%3D%205x%20%2B%205%20-%202" id="TexFormula1" title="5 + 5 = 5x + 5
dem82 [27]

Answer:

x = \frac{7}{5}

Step-by-step explanation:

To solve for x, we need to isolate it [get it alone on one side]

We should start by simplifying (combining the like-terms of our equation):

5 + 5 = 5x + 5 - 2

10 = 5x + 3

- 3         - 3        (subtract 3 from both sides to isolate x)

7 = 5x

÷5  ÷5   (divide both sides by 5 to find "1"x)

\frac{7}{5}=x  

So, x = \frac{7}{5}

(x = 7/5)

hope this helps!!

7 0
2 years ago
Read 2 more answers
1 point
ludmilkaskok [199]
18n+4.4m I don’t know if this is right but I don’t understand the information you gave me because the numbers are scrambled
6 0
3 years ago
Read 2 more answers
Arrange these fractions in ascending order: 3/4, 2/5, 3/8, 7/10, 11/20, 23/40. Please help it’s due tomorrow and I’m big dumb
disa [49]

Answer:

3/8, 2/5, 11/20, 23/40, 7/10, 3/4

Step-by-step explanation:

Just change them all to the same denominator and you're good. Put all of the fractions' denominators to 40 as that's the least common denominator. 3/4 turns into 30/40. 2/5 turns into 16/40. 3/8 turns into 15/40. 7/10 turns into 28/40. 11/20 turns into 22/40. And 23/40 stays as it is, because the denominator is already 40.

Putting them in order is now simple,

3/8 (15/40) <  2/5 (16/40) < 11/20 (22/40) < 23/40 < 7/10 (28/40) < 3/4 (30/40)

***When you multiply any fraction to change its denominator, multiply it by the same thing to the numerator as well.

Good Luck!

8 0
4 years ago
How do I solve this problem
guapka [62]
You first subtract 1/5 from both sides
3/4-1/5 = 11/20 
3/2x=11/20

now you multiply 2/3 on both sides since you have to get x

11/20 * 2/3 
x = 11/30




3 0
3 years ago
A 6-pack of fruit juice costs $2.76. At that same rate, how much would a 15-pack cost
Scorpion4ik [409]
A 15 - pack would cost $6.90.

Explanation:
We know that a 6-pack of fruit juice would cost 2.76, so to find the cost of 1 -pack, you divide 2.76 by 6. That gives us $0.46 for 1 -pack. To find the cost of a 15-pack, you would multiply $0.46 by 15, which gives us $6.90. Therefore, a 15- pack would cost $6.90
3 0
4 years ago
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