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marishachu [46]
3 years ago
10

If anyone could help that would be great / right answer gets brainilest

Mathematics
2 answers:
Keith_Richards [23]3 years ago
7 0
2.69 cm would be the answer
Angelina_Jolie [31]3 years ago
3 0

Answer:

width = 2.9 cm

Step-by-step explanation:

The perimeter of a rectangle = 2l + 2w ( l is the length and w the width )

Here l = 8.3, thus

(2 × 8.3) + 2w = 22.4, that is

16.6 + 2w = 22.4 ( subtract 16.6 from both sides )

2w = 5.8 ( divide both sides by 2 )

w = 2.9

Hence width = 2.9 cm

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Answer:

yes it is ur it is ghat 4705376467

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3 years ago
A geometric sequence has a term of a, = -54 and a common ratio of r = 3. What is the rule for the nth term?
solniwko [45]

Answer:c

Step-by-step explanation

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6 0
4 years ago
In a particular course, it was determined that only 70% of the students attend class on Fridays. From past data it was noted tha
siniylev [52]

Answer: Probability that students who did not attend the class on Fridays given that they passed the course is 0.043.

Step-by-step explanation:

Since we have given that

Probability that students attend class on Fridays = 70% = 0.7

Probability that who went to class on Fridays would pass the course = 95% = 0.95

Probability that who did not go to class on Fridays would passed the course = 10% = 0.10

Let A be the event students passed the course.

Let E be the event that students attend the class on Fridays.

Let F be the event that students who did not attend the class on Fridays.

Here, P(E) = 0.70 and P(F) = 1-0.70 = 0.30

P(A|E) = 0.95,  P(A|F) = 0.10

We need to find the probability that they did not attend on Fridays.

We would use "Bayes theorem":

P(F\mid A)=\dfrac{P(F).P(A\mid F)}{P(E).P(A\mid E)+P(F).P(A\mid F)}\\\\P(F\mid A)=\dfrac{0.30\times 0.10}{0.70\times 0.95+0.30\times 0.10}\\\\P(F\mid A)=\dfrac{0.03}{0.695}=0.043

Hence, probability that students who did not attend the class on Fridays given that they passed the course is 0.043.

8 0
4 years ago
Explain the identity property and how it is used. What are the identity elements for addition and multiplication?
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<span>The identity element when applied does not change the other elements hence in multiplication 1x7=7 and 1x5=5 the elements 5 and 7 do not change for addition its 0 such as 0+10=10.

</span><span>Identity for multiplication is 1, for addition its 0</span>
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3 years ago
How to solve (including answer) x^2+8x+7=0 by factoring
sesenic [268]
Since the first term in the equation is x^{2}, you know that each group you make will have to have an x in it. Now, you need to figure out what times what equals 7 and adds up to 8. You can list all of the numbers that multiply to seven until you find the right numbers.

-1 x -7
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1 and 7 add to eight and multiply to seven, so those will be the numbers in your groups. This makes your factored groups (x + 1)(x + 7).
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4 years ago
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