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aniked [119]
2 years ago
14

You spin the spinner twice. The spinner has four numbers, 5, 6, 7, and 8. What is the probability of landing on an even number l

ess than 8?
Mathematics
1 answer:
Zanzabum2 years ago
6 0

Answer:

3/4 or 75% Chance

Step-by-step explanation:

take the number off Possibilities and divide it by 100 and it will give you 25% which is 1/4 of 100% and then add the chances of 5,6,and 7 and you have a 75% Chance of Not getting 8

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Divide r+5/r^2+5r-14 by r^2+4r-21/r-2
sergey [27]
<span>      r+5                 </span><span>r^2+4r-21
</span><span>-------------- /   --------------------
r^2+5r-14               </span><span>r-2

</span>          r+5                     r-2
= --------------  x   --------------------
    r^2+5r-14           r^2+4r-21

          r+5                     r-2
= --------------  x   --------------------
    (r+7)(r-2)           (r+7)(r-3)


          r+5                     
= -----------------
    (r+7)^2 (r-3)           
7 0
3 years ago
Can someone help me plz .. Use these lengths to find cos B, tan B, and sin B.
lara [203]

Answer:

cos B = \frac{7}{25}

tan B = \frac{24}{7}

sin B = \frac{24}{25}

Step-by-step explanation:

In the right triangle, there are three sides and 2 acute angles

  • Hypotenuse ⇒ the opposite side of the right angle
  • Leg1 and Leg 2 ⇒ the sides of the right angle

The trigonometry functions of one of the acute angles Ф are

  • sin Ф = opposite leg/hypotenuse
  • cos Ф = adjacent leg/hypotenuse
  • tan Ф = opposite leg/adjacent leg

In Δ ACB

∵ ∠C is the right angle

∴ AB is the hypotenuse

∵ AC is the opposite side of ∠B ⇒ leg1

∵ CB is the adjacent side of ∠B ⇒ leg2

→ By using the ratios above

∴ cos B = \frac{CB}{AB} , tan B = \frac{AC}{CB} , sin B = \frac{AC}{AB}

∵ CB = 7, AB = 25, AC = 24

∴ cos B = \frac{7}{25}

∴ tan B = \frac{24}{7}

∴ sin B = \frac{24}{25}

6 0
3 years ago
Please help! i can’t seem to find the answer to this question.
sleet_krkn [62]

Answer:

the following points would make a trapezoid

8 0
2 years ago
Read 2 more answers
If you were to roll the dice one time what is the probability it will NOT land on a 2? Put your answer in fraction form.
OLEGan [10]

Answer:

5/6

Step-by-step explanation:

On a standard 6-sided die, there is only one 2. That means that there are 5 other numbers that it could land on (1, 3, 4, 5, 6).

Using that information, the probability of it not landing on a 2 is 5 out of 6 or 5/6. This is because you must do part over whole. The "part" in this situation is the 5 "wanted" numbers, and the "whole" is 6 because there are six potential numbers that it could land on.

I hope this helps.

8 0
3 years ago
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3(x+5)= 30 divided by 5
harina [27]

Answer:

x=-3

Step-by-step explanation:

I have a formula

3 0
2 years ago
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