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Alik [6]
3 years ago
9

Will Mark Brainliest

Mathematics
2 answers:
Elis [28]3 years ago
8 0

Answer:

<h2><u>D) x = -2 ±7<your answer</u></h2>

Step-by-step explanation:

Solve the quadratic equation by completing the square.

x^2 + 4x - 3 = 0

A) x = 4 ±7

B) x = 2 ±7

C) x = -4 ±7

<u>D) x = -2 ±7</u>

GaryK [48]3 years ago
5 0

The correct answer is D

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.hoi I need a lil help
mihalych1998 [28]

Answer:

10

Step-by-step explanation:

4+5=9 and 1/2+1/2 =1  so 9+1=10

6 0
3 years ago
Read 2 more answers
What are the real zeros of x3 + 4x2 − 9x − 36?
ruslelena [56]

Answer:

C

Step-by-step explanation:

x^3+4x^2-9x-36=0

or x²(x+4)-9(x+4)=0

or (x+4)(x²-9)=0

or (x+4)(x+3)(x-3)=0

x=-4,-3 or 3

8 0
4 years ago
Suppose x has a normal distribution with mean μ = 45 and standard deviation σ = 9. describe the distribution of x values for sam
Fofino [41]
The standard deviation of a particular sample is equal to the standard deviation divided by the square root of the sample size.  That is,\sigma_x=\frac{\sigma}{\sqrt n}
The mean of a particular sample is equal to the mean of the set the sample was taken from.  That is,
\mu_x=\mu
\text{In your case, }\sigma_x=\frac{9}{\sqrt4}=\frac92\text{ and }\mu_x=45.
4 0
3 years ago
I'LL GIVE YOU 5 STARES HELP. Find the area of the figures shown below and drop the correct result Into the appropriate blank. DR
NARA [144]
I saw its strength
It pushed and shoved
Moving spring into the past I felt its determination.
It talked with conviction,
Demanding control and respect I smelled its aroma.
It permeated the air,
Providing support and desire. I heard its voice.
It encouraged togetherness,
Allowing warmth to comfort us. I tasted its spirit.
It entertained the masses,
Generating newfound relationships. It woke me up,
Insisting I join the world.
It sheltered my fears,
Providing encouragement and hope.

Summer spoke to me.

How does the first–person perspective in the poem reinforce the idea that summer is an actual being?

a
It is omniscient, which means that it knows everything, so summer must be an actual being.
b
It allows the reader to get into summer's mind and experience what it experiences.
c
It is told from the perspective of summer, which proves that it is an actual being.
d
It gives the impression that the speaker personally encountered summer as an actual being.
5 0
3 years ago
Use the equation below to find y, if m=9, x=5, and b=6.<br> y=mx+ b<br> y = 1<br> X<br> ?
Aleksandr-060686 [28]
Y should be 51. If you fill in the variables you get y=(9x5)+6, and once you solve you get y=51
4 0
3 years ago
Read 2 more answers
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