3 years ago

Solve the system of equations below.

Mathematics

1 answer:

Kaylis [27]3 years ago

7 0

Answer:

(11,6)

Step-by-step explanation:

I just took the test and it was this answer.

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A 13-foot ladder is leaning against a building, forming a right triangle. The height where the ladder touches the building is se

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Answer:

20 feet

Step-by-step explanation:

13 foot ladder + 7 feet more = 20 feet

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3 years ago

A recent study found that 81?% of? breast-cancer cases are detectable by mammogram. Suppose a random sample of 11 women with bre

elena-s [515]

Answer:

9.847 %

Step-by-step explanation:

Be p1 the probability that the mammogram detect breast cancer in a woman.

p1=81%.

The probability 'P' that independent and consecutive 'n' singular events with p probability occur is:

$P=p_{1} ^{n}$

In this case:

P: Probability that breast cancer be detected on 11 women with breast cancer.

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3 years ago

Determine which polynomial has (x + 4) as a factor.

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Step-by-step explanation:

→ Option A

x² - 11x + 28

= (x - 7)(x - 4) ❎

→ Option B

x² - 6x + 8

= (x - 4)(x - 2) ❎

→ Option C

x² + 7x + 12

= <u>(x + 4)</u>(x + 3) ✔️

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2 years ago

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Answer: CONFUSED LIKE REALLY CONFUSED BUT THANKS

Step-by-step explanation:

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2 years ago

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I need help please :(

zloy xaker [14]

Answer:

-(1/3 · 1/3 · 1/3 · 1/3 )

Step-by-step explanation:

-(3)^-4= -1/3 ^4 = -1/81

-(1/3 · 1/3 · 1/3 · 1/3 )= -1/81

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2 years ago

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