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3 years ago

I need help please!!!!???

Mathematics

1 answer:

marin [14]3 years ago

6 0

Answer:

Yes and you can actually solve it like this:

h + 6 ≥ -2

h ≥ -2 - 6

h ≥ -8

(On the condition that h is greater or equal to -8, the result is always guarantee to be correct)

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Use the quadratic formula to solve the equation 4x^2+6x-4=0

Vesnalui [34]

Answer:

$\large\boxed{x=-2\ or\ x=\dfrac{1}{2}}$

Step-by-step explanation:

$\text{The quadratic formula of an equation}\ ax^2+bx+c=0\\\\x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\\text{We have}\ 4x^2+6x-4=0\to a=4,\ b=6,\ c=-4.\\\\\text{Substitute:}\\\\x=\dfrac{-6\pm\sqrt{6^2-4(4)(-4)}}{2(4)}=\dfrac{-6\pm\sqrt{36+64}}{8}=\dfrac{-6\pm\sqrt{100}}{8}\\\\x=\dfrac{-6-10}{8}=\dfrac{-16}{8}=-2\ or\ x=\dfrac{-6+10}{8}=\dfrac{4}{8}=\dfrac{1}{2}$

4 0

3 years ago

The measure of angle J is 120⁰ and is vertical to the measure of angle K. If the measure of angle K is x , what is the value of

Gnoma [55]

Answer:

x=120

Step-by-step explanation:

a vertical angle is equal to each other so if angle J is 120° the so is angle K

4 0

3 years ago

The function F(x)=2^x is shifted 4 unit left . The results is g(x). what is g(x)

nasty-shy [4]

Answer:

ID-=35'-

Step-by-step explanation:

3 0

3 years ago

Which expression defines Sn for an = 5(1/3)^n?

disa [49]

If the first term is 5/3 and the common difference is 1/3. Then the infinite sum of the geometric series will be 2.5.

<h3>What is a series?</h3>

The sum of sequence terms is a series. That is, it is a list of integers connected by addition operations.

The sequence is given in the form of a variable.

$\rm a_n = 5 \left (\dfrac{1}{3} \right)^{n}$

The first term will be

$\rm a_1 =\dfrac{5}{3}$

And the common ratio will be

$\rm r =\dfrac{1}{3}$

Then the sum of the geometric series will be given as

$\rm S_{\infty} = \dfrac{a_1}{1-r}\\\\\\S_{\infty} = \dfrac{5/3}{1-1/3}\\\\\\S_{\infty} = \dfrac{5/3}{2/3}\\\\\\S_{\infty} = \dfrac{5}{2}\\\\\\S_{\infty} = 2.5$

More about the series link is given below.

brainly.com/question/10813422

#SPJ1

4 0

2 years ago

If (x,9) is a solution to the equation 6x+1=3y–2, what is x?

Black_prince [1.1K]

Answer:

3.83333

Step-by-step explanation:

6x+1=3(9)-3

6x+1=24

6x=23

x=3.833333

5 0

4 years ago