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3 years ago

For questions 3 that’s all i need help please !!! For a test and please put your answers below !!!

Mathematics

1 answer:

garik1379 [7]3 years ago

4 0

Answer:

D) 1078

Step-by-step explanation:

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Which of the following is equivalent to 2 ln e^ln 5x = 2 ln 15?

neonofarm [45]

Answer:

x = 3

Step-by-step explanation:

Given in the question an equation,

$2lne^{ln5x}=2ln15$

Step 1

$e^{lnx}=x$

so,

$2ln(5x)=2ln15$

Step 2

cancel 2 on both sides of the equation

$ln{5x}=ln15$

Step 3

$ln{5x}-ln15=0$

$ln\frac{5x}{15}=0$

Step 4

$ln\frac{x}{3}=0$

Step 5

$e^{ln\frac{x}{3}}=e^{0}$

Step 6

x/3 = 1

x = 3(1)

x = 3

8 0

3 years ago

Select the equation and the solution for the problem. let ( X ) represent the unknown number. a total of 48people in a sports te

Fantom [35]

Answer:

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

The length of a rectangle is 11 inches longer than it's width, the perimeter is 86 inches write an equation and solve to find le

olga_2 [115]

I have no clue soooo sorry

6 0

3 years ago

The larger of two numbers is 5 less than twice the smaller. Their sum is 43. Find the numbers.

tatyana61 [14]

Let's set up an equation.
smaller number = x
larger number = 2x - 5
Now set up the equation so that the larger number plus the smaller number adds up to 43.
x + 2x - 5 = 43
3x - 5 = 43 ( I added the x and 2x)
3x = 48 ( I added 5 to both sides)
x = 16 (I divided both sides by 3)

Now let's check it. Substitute 16 for every time there is an x.

16 + 2(16) - 5 = 43
16 + 32 - 5 = 43
48 - 5 = 43
43 = 43
It checks. x is equal to 16, so that means:
smaller number = 16
larger number = 27

Hope this helps =)

5 0

3 years ago

Factor the expression below

nadezda [96]

Given:

The expression is

$2x^2+3x-9$