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2 years ago

-16x^2 +64x + 60 What is the max height

Mathematics

1 answer:

Elanso [62]2 years ago

3 0

Answer:

x=5/2,3/2

so 5/2 is the maximum height. (2.5)

Step-by-step explanation:

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Sarah earns $10 per hour while babysitting and $20 per hour while cleaning houses. Sarah will need to earn $1000 during the summ

kozerog [31]

Why not just work for 50 hrs on house cleaning and get 1000$

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2 years ago

Help please! I do not exactly understand how to do this. Thanks!

Radda [10]

X and Y are supplementary, that means X + Y = 180.

But we have, X = Y +24, then

X + Y = Y + 24 + Y = 2Y + 24 = 180

Then

2Y = 156

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2 years ago

Algebra 2 Help! Thank you.

pychu [463]

Answer:

-2

Step-by-step explanation:

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2 years ago

There are eight students in a class. Only one of them has passed Exam P/1 and only one of them has passed Exam FM/2. No student

Svetach [21]

Answer: There is probability of 0.57 chances that exactly three students from a group of four students have not passed Exam P/1 or Exam FM/2.

Step-by-step explanation:

Total number of students = 8

Number of student who has passed Exam P/1 = 1

Number of student who has passed Exam FM/2 = 1

No student has passed more than one exam.

According to question, exactly three students from a randomly chose group of four students have not passed Exam P/1 or Exam FM/2.

So, Probability will be

$\frac{^6C_3\times ^2C_1}{^8C_4}\\\\=\frac{20\times 2}{70}\\\\=\frac{4}{7}\\\\=0.57$

Hence, there is probability of 0.57 chances that exactly three students from a group of four students have not passed Exam P/1 or Exam FM/2.

4 0

3 years ago

Find the value of 7u+1 given that -5u-1=4

Ganezh [65]

<h3>Given:-</h3>

$⟹-5u-1=4$

$⟹-5u=4+1$

$⟹-5u=5$

$⟹u=\frac{5}{-5}$

<h3> $Substitute The Value$ </h3>

$⟹7u+1$

$⟹7×(-1) +1$

$⟹-7+1$

5 0

2 years ago