3 years ago

Can some one help me with these questions thank you

1 answer:

3 0

Positive and a positive, will always be a positive because theyre both the same. If two things are the same, theyre equal. ( this is from what ik,I read it as a common sense question)

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5^x + 5^x+1= 150 Find x Help me pls i need soon Tksss

raketka [301]

Answer:

$x=2$

Step-by-step explanation:

So we have the equation:

$5^x+5^{x+1}=150$

First, separate the second term:

$5^x+(5\cdot5^x)=150$

Let u equal 5ˣ. So:

$u+5u=150$

Combine like terms:

$6u=150$

Divide both sides by 6:

$u=25$

Substitute back u:

$5^x=25$

Take the base 5 logarithm of both sides:

$\log_5(5^x)=\log_5(25)$

The left cancels:

$x=\log_5(25)$

Evaluate the right:

$x=2$

So, our answer is 2.

And we're done!

5 0

3 years ago

Micah made a scale model of the Empire State building.The building has an actual height of 381 meters. Micah’s model used a scal

Marysya12 [62]

Answer:

1cm = 50

2 cm = 50 x 2

3cm = 50 x 3

and the inverse:50m = 50/50 = 1cm

100m = 100/50 = 2cm

150m = 150/50 = 3cm

381m = 381/

3 0

3 years ago

. Use the number line to illustrate the difference: -3-(-7)

Oxana [17]

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8 0

3 years ago

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F(t)=8.50(1.15)^3 (the 3 means to the third powers). This in my test I'm taking right now, please yall I need someone one to sol

Vinil7 [7]

Answer:

12.9

Step-by-step explanation:

Given data

Give the expression

F(t)=8.50(1.15)^3

Let us solve the term in the bracket

F(t)=8.50*1.520875

F(t)=12.9

Hence the final answer is 12.9

4 0

2 years ago

Iplease need help will mark brainliest

STALIN [3.7K]

Answer:

6. xint=-7

yint=-3

7. xint=-7

yint=-5

Step-by-step explanation:

3 0

3 years ago

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