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2 years ago

Helphelphelp please!!!!!!!!!!!!!!!!!!!!!!

Mathematics

2 answers:

Allushta [10]2 years ago

7 0

Answer:

cheryl

Step-by-step explanation:

mixas84 [53]2 years ago

4 0

Answer:

PRT B: Cheryl owes the bank more because the absolute value of -3.00 is 3.00, and the absolute value of -2.75 is 2.75 and 3 is greater than 2.75

Step-by-step explanation:

Dont know how i do part A

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Is a shoe store was having a back-to-school sale where you can buy six pairs of shoes for $52.62 if a large family decided to bu

hodyreva [135]

The family would buy the three pairs of shoes for $26.31 because you have to divide $52.62 in half since they bought half the amount of pairs of shoes that are given in the sale.

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3 years ago

I need #1 done (show work) will give brainliest

allochka39001 [22]

Step-by-step explanation:

<u>Statement Reason </u>

∠5 and ∠7 are vertical angles Vertical angles theorem

m∠5 = m∠7 Definition of vertical angles

m∠5 = -2(3x - 4), m∠7 = 3(x - 3) - 1 Given

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2 years ago

A machine has four components, A, B, C, and D, set up in such a manner that all four parts must work for the machine to work pro

olchik [2.2K]

Answer:

0.756

Step-by-step explanation:

It is given that a machine has four components, A, B, C, and D.

$P(A)=P(B)=0.93, P(C)=0.95,P(D)=0.92$

If these components set up in such a manner that all four parts must work for the machine to work properly.

We need to find the probability that the machine works properly. It means we have to find the value of $P(A\cap B\cap C\cap D)$ .

If two events X and Y are independent, then

$P(X\cap Y)=P(X)\times P(Y)$

Assume the probability of one part working does not depend on the functionality of any of the other parts.

$P(A\cap B\cap C\cap D)=P(A)\times P(B)\times P(C)\times P(D)$

Substitute the given values.

$P(A\cap B\cap C\cap D)=0.93\times 0.93\times 0.95\times 0.92$

$P(A\cap B\cap C\cap D)=0.7559226$

$P(A\cap B\cap C\cap D)\approx 0.756$

Therefore, the probability that the machine works properly is 0.756.

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2 years ago

Write all the prime numbers between 10 and 30.

insens350 [35]

It's 11, 13, 17, 19, 23 and 29.

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3 years ago

Simplify (x²-1)∧-2/3

SVEN [57.7K]

(x² - 1)^-2/3
∛(x² - 1)-²
∛(1/(x² - 1)(x² - 1))
∛(1/(x^4 - x² - x² + 1))
∛(1/(x^4 - 2x² + 1))
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3 years ago