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Debora [2.8K]
3 years ago
5

Please help me I don’t understand I have been working on this question for 14 minutes!!!m

Mathematics
2 answers:
Vikki [24]3 years ago
8 0

Answer:

x=11

B=80

Step-by-step explanation:

8x-8=5x+25

3x=33

x=11

B=5(11)+25

B=80

ASHA 777 [7]3 years ago
5 0

Answer:

<A = <B

=> 8x - 8 = 5x + 25

<=> 3x = 33

<=> x = 11

with x = 11 => mB = 5.11 + 25 = 55 + 25 = 80⁰

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A sports company randomly sends out various cards of 8 different sports.
svet-max [94.6K]

Answer:

D

Step-by-step explanation:

7 0
3 years ago
Mario has a fish tank with 70 goldfish in it. One of the goldfish has unique pelvic fins, which are located on the bottom of the
Black_prince [1.1K]

Answer:

The probability that Mario will randomly catch the right goldfish on the first 5 attempts = 0.069

Step-by-step explanation:

From geometric distribution.

If the probability of success on each trial = P,

then the probability that the Nth trial is the first success

                    Pr (X = N) = (1 - P)^{N - 1} P

Now,

        P = \frac{1}{70}

        Maximum attempt = 5

Probability that Mario will randomly catch the right goldfish on the first 5 attempts

= \frac{1}{70} + (1 - \frac{1}{70} )^{1} \frac{1}{70} + (1 - \frac{1}{70} )^{2} \frac{1}{70} + (1 - \frac{1}{70} )^{3} \frac{1}{70} + (1 - \frac{1}{70} )^{4} \frac{1}{70}

= \frac{1}{70} + \frac{69}{70} \frac{1}{70} + (\frac{69}{70} )^{2} \frac{1}{70} + (\frac{69}{70} )^{3} \frac{1}{70} + (\frac{69}{70} )^{4} \frac{1}{70}

= 0.069



6 0
3 years ago
Read 2 more answers
Tim has 5 yellow and 10 blue marbles in a bag.
nlexa [21]

Answer:

1/3

Step-by-step explanation:

add to 15

so 5/15

simplify 1/3

3 0
3 years ago
Will the variable be the "part" or the "whole"? remember, earlier he said "is over of = part over whole".
Helga [31]

Answer:

The variable is usually the unknown part of the whole.

5 0
2 years ago
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Alexxx [7]

Hi There!

Answer: Bowler 2

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4 0
4 years ago
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