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2 years ago

Whoever gets this right gets brainliest note ( ITS 4 FUN ! NOT A GRADE) 2+4x7=?

Mathematics

1 answer:

vodka [1.7K]2 years ago

7 0

It’s 42 lolllllllllllllllll

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Select the approximate values of x that are solutions to f(x) = 0, where

irga5000 [103]

A=-2;b=9;c=9;
delta=b^2-4*a*c
root1=(-b+(delta^(0.5)))/(2*a)
root2=(-b-(delta^(0.5)))/(2*a)

delta =153
root1 = -0.8423
root2 = 5.3423

Correct Answer is D

3 0

2 years ago

Change 5 ft. to yards

Zielflug [23.3K]

5 feet = 1 2/3 yards

6 0

2 years ago

Read 2 more answers

Help me please !!!!!!!!!!!!

Tpy6a [65]

Answer:

Step-by-step explanation:

Angle Formed by Tangent and Secant = 1/2 (DIFFERENCE of Intercepted Arcs)

< WVT = 1/2 ( WT - UW)

3x+4 = 1/2 (( 14x +7) - (7x+11))

Distribute

3x+4 = 1/2 ( 14x +7 - 7x-11)

Combine like terms

3x+4 = 1/2 ( 7x -4 )

Multiply each side by 2

6x +8 = 7x-4

Subtract 6x from each side

+8 = x-4

Add 4 to each side

12 =x

WVT = 3x+4

= 3*12 +4

= 36+4

= 40

7 0

3 years ago

A hose fills a hot tub at a rate of 2.48 gallons per minute. How many hours will it take to fill a 269-gallon hot tub?

never [62]

Answer:

1 hour 9 minutes

Step-by-step explanation:

7 0

2 years ago

Expanding Logarithmic Expressions In Exercise, use the properties of logarithms to rewrite the expression as the sum, difference

kicyunya [14]

Answer:

$\\ ln(x^2) - ln(x^2 + 1)$ .

For values of x>0, it can be rewritten as $\\ 2ln(x) - ln(x^2 + 1).$

Step-by-step explanation:

For the expression:

$\\ ln(\frac{x^2}{x^2 + 1})$

We can apply this logarithmical property: $\\ ln(\frac{x}{y}) = ln(x) - ln(y).$

Then,

$\\ \frac{x^2}{x^2 + 1} = ln(x^2) - ln(x^2 + 1).$

If we assume values of x > 0 (non negative values for x), then the expression could be rewritten as follows:

$\\ \frac{x^2}{x^2 + 1} = ln(x^2) - ln(x^2 + 1) = 2 ln(x) - ln(x^2 + 1)$ , since $\\ ln(x^{n}) = n*ln(x).$

We have to remember that domain (all possible values x) for logarithmic function is for all x > 0, or mathematically expressed as:

Domain: $\\ {x | x \in R, x > 0}$

8 0

2 years ago