What is -5 5/8 + 3 1/2?

Answers

Answer 1

Answer:

Answer:

Convert these mixed numbers into improper fractions.

-45/8 + 7/2

Find the common denominator which is 8 in this case.

-45/8 + 7(4) / 2(4)

-45/8 + 28/8

Which equals -17/8

or -2 1/8

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Which of the quadratic functions listed is written in vertex form?

Answers

Answer:

A is the best answer.

Step-by-step explanation:

A is. It can be written as y [ or v] = -2(x + 3)^2 + 7 which is the pure form of a vertex equation.

C doesn't work since that is a linear function. Nothing is squared.

D doesn't work. That is just the way an ordinary quadratic is written. (Standard form).

B doesn't work. The quadratic is written in factored form.

ANSWER

$y - 7= - 2 {(x + 3)}^(2)$

EXPLANATION

The vertex form of a quadratic function is given by:

$y = a {(x - h)}^(2) + k$

From the given options, the first choice is

$y - 7= - 2 {(x + 3)}^(2)$

$y=- 2 {(x + 3)}^(2) + 7$

where a=-2, h=-3, and k=7.

Therefore the vertex is (-3,7)

Hence the first choice is the correct option.

So if 2 people were working a job that paid 7.50 an hour, and worked 42 hours a week, how much money would they make together in a year?

Answers

They would make 32,760 together in a year. One person would make 7.50 a hour times 42 hours, which would be 315 a week. You would times that by 52 weeks in a year and get 16,380 for one person per year. Multiply 16,380 by two people and you would find that they make 33,760 a year.

Pls answer urgent. 4 questions only, due today pls help answer

Answers

Answer:

ANS: 1 - D

ANS: 2 - B

ANS: 3 - A

ANS: 4 - D

Step-by-step explanation:

A ball is thrown into the air with an upward velocity of 44 ft/s. Its height h in feet after t seconds is given by the function $h=-16t ^(2) +44t+9$ . What is the height of the ball after 2 seconds?

Answers

$h=-16t^2+44t+9\n\nsubstitute\ t=2:\n\nh=-16\cdot2^2+44\cdot2+9=-16\cdot4+88+9=-64+97=33\n\nAnswer:33\ feets.$

$the\ function:\ \ h(t)=-16t^2+44t+9\n \n h=2\ \ \ \Rightarrow\ \ \ h(2)=-16\cdot 2^2+44\cdot 2+9=-16\cdot4+88+9=33\n \nAns.\ the\ height\ of\ the\ ball\ after\ 2\ seconds\ is\ 33\ feets$

Which expression simplifies to 41? Choose all that apply!Question 3 options:

10 + 2³ ∙ 4 - 1

10 + 2³ ∙ (4 - 1)

(10 + 2³) ∙ 4 - 1

10 + (2³ ∙ 4) - 1

Answers

Hello there!

10+2^3*4-1

10+8*4-1

10+32-1

10+31

10+2^3*(4-1)

10+8*(3)

10+24

(10+8)*4-1

18*4-1

72-1

10+(2^3*4)-1

10+(8*4)-1

10+32-1

10+31

Hope this helps you!

$GraceRosalia$

$*****************************************************$

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Find the value of x.

Answers

Answer:

x=17

Step-by-step explanation:

6x+33+45=180

6x+78=180

6x=102

x=17

x is equal to 17
x = 17

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