Ask question

Ask question

All categories

3 years ago

10

Phred has already graded 40 papers and he still needs to grade more. Write an equation for how many papers he is grading if he c

ontinues to grade 4 papers a minute.

1 answer:

vladimir2022 [97]3 years ago

5 0

y=4x+40

x represents the number of minutes

y is the total

40 because he already graded 40 papers, and 4x because that's how many phred grades times the number of minutes

You might be interested in

A pet store has 9 dogs, 6 cats, 8 gerbils, and 7 parrots. A pet is chosen at random. What is the probability of choosing a cat o

podryga [215]

9/30 for dogs and 6/30 for cats

6 0

2 years ago

I need to simplify sec^2(x)/sec^2(x)-1

frutty [35]

$\dfrac{\sec^2x}{\sec^2x-1}=\dfrac{\sec^2x}{\tan^2x}=\dfrac{\frac1{\cos^2x}}{\frac{\sin^2x}{\cos^2x}}=\dfrac1{\sin^2x}=\csc^2x$

5 0

2 years ago

Simplify using order of operations.Show all your work. 4^3 + (`10-8) divided by 2

Igoryamba

Answer:

<h2>65</h2>

Step-by-step explanation:

Use PEMDAS:

P Parentheses first

E Exponents (ie Powers and Square Roots, etc.)

MD Multiplication and Division (left-to-right)

AS Addition and Subtraction (left-to-right)

------------------------------------------------------------------------

$4^3+(10-8)\div2=64+2\div2=64+1=65$

3 0

2 years ago

What is 58.65 with a 15% tip?

11111nata11111 [884]

X/58.65 = 15/100

(58.65*15)/100 = tip

6 0

2 years ago

A region c<br> B region d<br> C region a<br> D region b

anyanavicka [17]

Answer:

Region C

Step-by-step explanation:

y ≤ ¼ x + 3 maps the areas C and D including the common boundary line

y ≥ -x + 5 maps the areas B and C including the common boundary line

The common area mapped is C plus its boundaries

3 0

2 years ago