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3 years ago

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Jacob is reading a great thriller. The table shows a proportional relationship between the number of pages he reads and the numb

er of hours he spends each week reading. What is the constant of proportionality in pages per hour?

1 answer:

katrin2010 [14]3 years ago

4 0

Need to see the table

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Simplify the quadratic term by squaring the (x+1) term.

tensa zangetsu [6.8K]

Answer:

y = -2x^2 -4x +1

Step-by-step explanation:

y-3 = -2 (x+1)^2

Foil (x+1)^2

(x+1)(x+1) = x^2 +x+x+1 = x^2 +2x+1

Substitute this back in

y-3 = -2(x^2 +2x+1)

Distribute

y-3 = -2x^2 -4x -2

Add 3 to each side

y-3+3 = -2x^2 -4x -2+3

y = -2x^2 -4x +1

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3 years ago

A pizza shop sells large cheese pizzas for $8 each. each additional topping costs $0.75. write an equation that represents the c

BartSMP [9]

Y=8c+0.75t
Y represents total amount for a pizza with toppings

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3 years ago

Dimitri is solving the equation x2 – 10x = 21. Which value must be added to both sides of the equation to make the left side a p

Tresset [83]

Answer:

it's 25, just did it

Step-by-step explanation:

1 /2 o f ( − 10 ) = − 5 , ( − 5 )^ 2 = 25

8 0

3 years ago

Read 2 more answers

Joe nas to take two quizzes tomorrow. He nas only enough time to study one of them. • The science quiz has 7 true-or-false quest

Nostrana [21]

Answer:

C.

Step-by-step explanation:

Science questions are T/F. That's .5 or $\frac{1}{2}$ chance to get it right.

7 questions. Each with a $\frac{1}{2}$ .

That's $(\frac{1}{2})^{7}$

$(\frac{1}{2})^{7}$ = $\frac{1}{128}$ = .0078 = .008 rounded

English questions are multiple choice. 4 choices. That's .25 or $\frac{1}{4}$

3 questions. Each $\frac{1}{4}$

That's $(\frac{1}{4})^{3}$

$(\frac{1}{4})^{3}$ = $\frac{1}{64}$ = .0156 = .016 rounded

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3 years ago

Diana’s cat weighs 8 ½ pounds. There are 16 ounces in one pound. How much does Diana’s cat weigh in ounces?

krek1111 [17]

Answer:

138 ounces

Step-by-step explanation:

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3 years ago