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4 years ago

PLS HELP BRAINLIEST 16 POINTS

Mathematics

1 answer:

Vladimir79 [104]4 years ago

8 0

ANSWERS (left to right)

r= 28
k= 8
b= -9
g= 7.3333
a= -1
m= 3
k= -2
t= 18
x= -0.5

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Can I please get help on these questions?

zlopas [31]

Well, let's see that we can find the midpoint with this formula:

$(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})$

We have the midpoint and one of the endpoints so:

$(\frac{x_1+(-2)}{2},\frac{y_1+(-19)}{2})=(-1,-28)$

$(\frac{x_1-2}{2},\frac{y_1-19}{2})=(-1, -28)$

We have this now:

$\frac{x_1-2}{2}=-1$

$x_1-2= -1.2$

$x_1-2=-2$

$x_1=-2+2$

$x_1=0$

$\frac{y_1-19}{2}=-28$

$y_1-19=-28.2$

$y_1-19=-56$

$y_1=-56+19$

$y_1=-37$

So the pair is (0, -37)

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3 years ago

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You are dealt one card from a standard 52-card deck. Find the probability of being dealt the two of diamonds

Natali [406]

The probability would be 1/52, since there is only 1 two of diamonds in all 52 cards.

Final answer. 1/52
1.92%

3 0

3 years ago

During his workouts last week, Allen jogged the same amount of time each day for 6 days. Use the following information to determ

Nataly [62]

He rode his bike 45 minutes each day:
45x6 = 270 total time cycled

Jogging time = total workout time - cycle time/6

360-270= 90/6= 15 minutes jogged each day

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4 years ago

Tessa bought stock in a restaurant for $278.00. Her stock is now worth $339.16. What is the percentage increase of the value of

Natasha2012 [34]

The percentage increase of the value of Tessa's stock is 22%

Step-by-step explanation:

The percentage of increase = $\frac{New-old}{old}$ × 100%, where:

New: is the value after increasing
Old: is the value before increasing

Tessa bought stock in a restaurant for $278.00.

Her stock is now worth $339.16

We need to find the percentage of increase of the value of

Tessa's stock

∵ The initial value of the stock = $278.00

∴ The value of the stock after increasing = $339.16

- Substitute these values in the rule above

∴ The percentage of increasing = $\frac{339.16-278}{278}$ × 100%

∴ The percentage of increasing = 0.22 × 100%

∴ The percentage of increasing = 22%

The percentage increase of the value of Tessa's stock is 22%

Learn more:

You can learn more about percentage in brainly.com/question/12284722

#LearnwithBrainly

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3 years ago

LOT OF POINTS

guapka [62]

Answer:

<u>Given equations</u>: y = 3x² + x - 6; y = x - 4

So, Plug the value of value of y in other equation

3x² + x - 6 = x - 4
3x² + x - x - 6 + 4 = 0
3x² - 2 = 0
3x² = 2
x² = 2/3
x = √2/3

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3 years ago

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