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Sonja [21]
3 years ago
6

A box has 6 red pens, 8 black pens, 2 blue pens, and 4 purple pens. P(NOT red or blue)

Mathematics
1 answer:
lana66690 [7]3 years ago
7 0

Answer:

what's the question? I dont see where your coming from.

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The sum of four consecutive odd number is 72.Find the number
ArbitrLikvidat [17]

Answer:

15, 17, 19, and 21

Step-by-step explanation:

make the equation

x+x+2+x+4+x+6=72

simplify

4x+12=72

x+3=18

x=15

3 0
2 years ago
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Triangle RST has vertices located at R (2, 3), S (4, 4), and T (5, 0).
hichkok12 [17]

Answer:im not sure

Step-by-step explanation:

8 0
2 years ago
Reading list
never [62]

9514 1404 393

Answer:

  7 cm, 4.4 cm

Step-by-step explanation:

The side lengths can be found from the law of cosines. Each triangle has legs 3 cm and 5 cm. The angle between these will be 60° or 120°. Then the two sides of the parallelogram are ...

  s = √(a² +b² -2ab·cos(C))

  s = √(3² +5² -2·3·5·(±1/2)) = √(34 ±15) = {√49, √19}

The two side lengths are 7 cm and about 4.4 cm.

8 0
3 years ago
I need this please help ​
Korolek [52]

Answer:

30

Step-by-step explanation:

Add all of them

5 0
3 years ago
Tires have a normal distribution with a mean of 70000 miles and a standard deviation of 4400 miles. What proportion of tires wil
yarga [219]
Let T = the distance, in miles, a tire lasts

T ~ N(70000,4400<span>²</span>)

P(T \geq 75000) 
 = P(Z \geq \frac{75000 - 70000}{4400})
 = P(Z \geq \frac{25}{22})
 ≈ P(Z \geq 1.14)
 = 1 - P(Z < 1.14)
 ≈ 1 - 0.8729
 = 0.1271
5 0
3 years ago
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