4 years ago

Using the properties of exponents and logarithms, find the value of x in 19+2 in x=25

Mathematics

1 answer:

ivanzaharov [21]4 years ago

5 0

Answer:

x = e³

Step-by-step explanation:

Using the property of logarithms

• $log_{b}$ x = n ⇔ x = $b^{n}$

Given

19 + 2lnx = 25 ( subtract 19 from both sides )

2lnx = 6 ( divide both sides by 2 )

lnx = 3 [ note lnx = $log_{e}$ x ]

x = e³

You might be interested in

A committee in Congress is made up of 19 members, and there are 9 more Democrats than Republicans on it. How many Democrats are

Aleksandr-060686 [28]

The answer is 14 Democrats.

5 0

3 years ago

Is the polynomial 4t-7 in standard form?

liraira [26]

Answer:

Hi there!

The correct answer to this question is: yes.

Step-by-step explanation:

<u>standard form</u> means that the terms are ordered from biggest exponent to lowest exponent.

5 0

4 years ago

Write words to match the expression 3+(4*12)

Mama L [17]

This can be written in many ways, but one of them would be "Three more than the product of 4 and 12".

The word product implies the use of multiplication and the word more than implies the initial addition.

4 0

3 years ago

There were 42 apples in each crate. 12 such crates of apples were delivered to a factory. 4 apples were rotten and had to be thr

algol [13]

Answer:

50 boxes

Step-by-step explanation:

first we can find how many apples there are

42*12=504

then subtract 4 of the rotten apples

504-4=500

then find how many boxes there can be

500/10=50

7 0

4 years ago

What is the area of this trapezoid? Please help me.

JulijaS [17]

Step-by-step explanation:

Area of a trapezoid is 1/2h(b1+b2)

So let's substitute.

1/2*17*(15+27)

1/2*17*42

Answer is 357 cm squared

4 0

3 years ago