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Paladinen [302]
2 years ago
9

If 8^{y}=18^{y+2} what is the value of y?

Mathematics
2 answers:
Nina [5.8K]2 years ago
8 0

Answer:

-8

Step-by-step explanation:

both 8^-8 and 16^-8+2 equal 5.9605

algol132 years ago
8 0

[Hello,BrainlyUser]

Answer:

y = -8

Step-by-step explanation:

Create equivalent expressions in the equation that all have equal bases.

2^3^y=2^4^(^y^+^2^)

Since the bases are the same, then two expressions are only equal if the exponents are also equal.

3y=4(y+2)

Simplify

4(y+2).

Apply the distributive property.

3y=4y+4*2

Multiply 4 by 2

3y=4y+8

Subtract 4y from both sides of the equation.

3y-4y=8

Subtract 4y from 3y.

-y=8

Multiply each term in −y=8 by −1

y=-8

Hence, Answer is y = -8

[CloudBreeze]

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Adding the fractions<br><br> 3/14+2/21+1/6
NARA [144]

Answer:

\frac{10}{21}

Step-by-step explanation:

The LCM of 14, 21 and 6 is 42

We require to change the fractions to fractions with a denominator of 42

\frac{3(3)}{14(3)} + \frac{2(2)}{21(2)} + \frac{1(7)}{6(7)}

= \frac{9}{42} + \frac{4}{42} + \frac{7}{42} ← add the numerators, leaving the denominator

= \frac{9+4+7}{42}

= \frac{20}{42} ← divide both values by 2

= \frac{10}{21} ← in simplest form

6 0
3 years ago
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120 students voted for Jennifer and 180 students voted for Kevin. 60 students voted more for Kevin than for Jennifer.
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3 years ago
The average annual snowfall in king salmon, Alaska is 45.9 inches. The snow season last about 7 months of a year. About how much
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7 0
3 years ago
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The length of a bridge on a map is 1.5 cm. What is the actual length of the bridge in meters if the map is drawn at a scale of 1
Ilya [14]

Answer:

Step-by-step explanation:

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If the length of a bridge on a map is 1.5 cm,then the actual length= 1.5 * 40000

= 60000.0 = 60,000 m

3 0
3 years ago
How do I answer this and can you explain it to me
11111nata11111 [884]

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WM=\frac{1}{2}(WY)WM\text{ =}\frac{1}{2}\times8=4

The correct answer is 4cm

7 0
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