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3 years ago

6

80 POINTS! I need to know this answer, quick! Please and thank you!

1 answer:

worty [1.4K]3 years ago

4 0

Answer:

12

Step-by-step explanation:

the answer is 12

use bodmas

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A bag contains 5 blue marbles, 2 black marbles, and 3 red marbles. A marble is randomly drawn from the bag.

Delvig [45]

Since you are not allowed to draw a black marble, then you have only 7 ways to draw either a blue or a red marble. The sum of all marbles is 10. So the probability of not drawing a black marble is 7/10 and the probability of drawing a red marble is 2/10 or 1/5.

4 0

3 years ago

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3/8 x 2/6 x 4/8 x 5/12

Hatshy [7]

Answer:

$\frac{5}{192}$

Step-by-step explanation:

$\frac{3}{8}*\frac{2}{6}*\frac{4}{8}*\frac{5}{12}\\\\\frac{3}{8}*\frac{1}{3}*\frac{1}{2}*\frac{5}{12}\\\\\frac{1}{8}*\frac{1}{3}*\frac{1}{2}*\frac{5}{4}\\\\\frac{5}{192}$

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3 years ago

If you want to place a 9 3/4inch towel bar in the center of a door that is 27 1/2 wide how much faith will be on the each side o

vlada-n [284]

Either 1.4 or 1.75 i think

6 0

4 years ago

HELP!!!<br> 31) Find the measure of line segment DF.<br> A) 12<br> B) 13<br> C) 14<br> D) 15

oksian1 [2.3K]

Step-by-step explanation:

for the relationship of lengths of internal chords the product of both segments of a chord is equal for all intersecting chords.

in our case

(x+8)×8 = 7×16 = 112

8x + 64 = 112

8x = 48

x = 6

so, D-F = x + 8 = 6 + 8 = 14

so, C is correct

6 0

2 years ago

(18) POINTS pLEASE HELP

JulijaS [17]

Answer:

(x-4)(x-3)

Step-by-step explanation:

$x^{2} -7x+12\\$

multiply 1 and 12= 12

find two numbers that multiply to get twelve AND add together to get -7(the middle number)

the two numbers are -3 and -4 (they add up to get -7 AND multiply together to get 12)

plug in these numbers for -7x

$x^{2} -3x-4x+12$

x(x-3)-4(x-3)

the bolded is the first binomial and the second binomial is in the parenthesis.

(x-4)(x-3)

I hope this helps!

5 0

4 years ago

Read 2 more answers