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morpeh [17]
3 years ago
8

Which of the statements about the following quadratic equation is true? 6x^2-8=4x^2+7x

Mathematics
2 answers:
zvonat [6]3 years ago
4 0
36x - 8 = 16x + 7x
36x - 8 = 23x
- 8 = -13x
8/13 = x
ira [324]3 years ago
3 0

Answer:

Option A.

The discriminant is greater than zero, so there are two real roots. Edge2020

Step-by-step explanation:

I just did it on Edge

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Geometry:Finish the coordinate rule to describe the transformation in the image.
stira [4]

It looks like a reflection over the y-axis. There's a formula you can use when doing reflections over the y-axis, (x,y) is going to become (-x, y) thats also the coordinate rule I think.

If you apply that rule to each point you should get the reflected image.

G- (1, 3) then (-x,y) to get (-1,3)

E- (1, 2) then (-x,y) to get (-1, 2)

V- (5, 1) then (-x,y) to get (-5, 1)

X- (3, 3) then (-x,y) to get (-3, 3)

6 0
3 years ago
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If 99 students had a mean quiz score of 82, how much is the mean score increased by the addition of a single score of 99? Explai
Leviafan [203]
The Mean would increase to 82.17 or a total increase of .17

You have 99 students and the avg is 82, therefore we can multiply 99*82 to get our total points

99*82=8118
We add a single score of 99 to our total points 8118+99= 8217

Then we add the student to the total number of students bringing it to 100 and divide our new total by the our new number of students. 
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8 0
3 years ago
Rewrite the logarithm as a ratio of common logarithms and natural logarithms. log4 45
tiny-mole [99]

Answer:

Common logarithm

log_451= \frac{log_1_045}{log_1_08}

Natural logarithms

log_445= \frac{log_e45}{log_e4}

or

log_445= \frac{In45}{In4}

Step-by-step explanation:

From the question we are told that

Log_445

Generally converting log from base x to base 10 si mathematically represented as

log_xa=log_1_0a *log_x10

log_xa= \frac{log_1_0a}{log_1_0x}

Therefore

Common logarithm

log_451= \frac{log_1_045}{log_1_08}

Generally Natural logarithms log_ex\ or\ inx is mathematically represented as

log_xa= \frac{log_ea}{log_ex}

Therefore

Natural logarithms

log_445= \frac{log_e45}{log_e4}

or

log_445= \frac{In45}{In4}

6 0
3 years ago
Which of the following expression is equivalent to the expression below 2(7x + 3)
notsponge [240]

Answer:

14x+6

Step-by-step explanation:

Multiply 7x by 2 which gets you 14x and multiply 3 by 2 which is 6.

7 0
3 years ago
Jenna drank 2 3 liter of water Monday before going jogging. She drank 3 7 liter of water after her jog. How much water did Jenna
Alona [7]

Answer:

Step-by-step explanation:

57

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3 years ago
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