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3 years ago

Can someone please answer. There is only one problem. There is a picture. Thank you!

Mathematics

1 answer:

KATRIN_1 [288]3 years ago

6 0

5Red + 6Blue + 4 Black

Total = 5 + 6 = 4 = 15

Probality of Blue, Blue.

P(Blue) = 6/15 = 2/5

P(Blue, Blue) = (2/5)*(2/5) = 4/25

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Lines k and n are perpendicular. If the slope of line k is -6, what is the slope of line n?

CaHeK987 [17]

Lines k and n are perpendicular

The slope of line k is -6

Fact: The product of slopes of two perpendicular lines = -1

So the slope of line n = -1 ÷ -6 = 1/6

The correct choice is 'D.'

8 0

3 years ago

Find the solution of the following system of equations -5+2y=9 3x+5y=7

Rudiy27

Answer:

$x=-\frac{28}{3}\\\\y=7$

Step-by-step explanation:

Given the system of equations:

$\left \{ {{-5+2y=9} \atop {3x+5y=7}} \right.$

You can pply Substitution method:

First you must solve for "y" from the first equation:

$-5+2y=9\\\\2y=9+5\\\\2y=14\\\\y=\frac{14}{2}\\\\y=7$

Therefore, the second and final step to solve the system of equations is to substitute the value of "y" into the second equation and solve for "x":

$3x+5(7)=7\\3x=7-35\\\\x=-\frac{28}{3}$

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3 years ago

Solve equations -8x=88

Alexxx [7]

ANSWER:X=-11

Explanation

3 0

3 years ago

What number is 90% of 350?

tatyana61 [14]

Answer:

315

Step-by-step explanation:

10% of 350 is 35 so 35 times 9 would equal <u><em>315</em></u>

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3 years ago

PLS HELP ME ASAP FOR 19!! (MUST SHOW WORK!! / STEPS!!) + LOTS OF POINTS!! *brainliest*

devlian [24]

If it is 76 feet LOWER than 73 above sea level, then you must do
73-76= -3
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2 years ago