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lesya [120]
3 years ago
8

Assume y = 100 − 2x. If x goes up by 3, the corresponding y-value changes by:

Mathematics
1 answer:
frutty [35]3 years ago
8 0

Given: y = 100 - 2x

New: y = 100 - 2(x + 3)

           = 100 - 2x - 6

           = 94 - 2x

The original equation had a y-intercept of 100.  The new equation has a y-intercept of 94.  The y-value changes -6 units

Answer: -6

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Katniss divided x^3+2x^2-3x-4 by x+1. she didnt get a remainder. do you agree with her?
Brilliant_brown [7]

ANSWER

Katnis is right

EXPLANATION

We use the Remainder Theorem to check if she is right.

According to the Remainder Theorem, if the polynomial function,

p(x) =  {x}^{3}  + 2 {x}^{2}  - 3x - 4

is divided by x+1, then the remainder is given by

p( - 1)

We substitute x=-1 into the function to obtain,

p( - 1) =  {( - 1)}^{3}  + 2 { ( - 1)}^{2}  - 3( - 1) - 4

We simplify to get:

p( - 1) =  -  1+ 2 (1)   + 3 - 4

p( - 1) = 4- 4

p( - 1) = 0

Katnis is right because the remainder is zero

3 0
4 years ago
PLEASE HELP ME ANSWER THIS QUESTION PLEASE!!!! I WILL GIVE BRAINLIST!!!!!!!!!!!!!!!!!!!!!!!!
zysi [14]

1st page: 580

2nd page: 576

in the 1st two pages:  580+576 = 1156

total word = 2000

total word = words written + words to write

2000 = 1156 + words to write

subtract 1156 from each side

2000-1156 = words to write

844 = words to write

Choice D

4 0
3 years ago
Determine what type of model best fits the given situation: Farmer Joe has 1,000 bushels of corn to sell. Presently the market p
3241004551 [841]

Answer:

C. Quadratic model

Step-by-step explanation:

Determine what type of model best fits the given situation: Farmer Joe has 1,000 bushels of corn to sell. Presently the market price for corn is $5.00 a bushel. He expects the market price to increase by $0.15 per week. For each week he waits to sell, he loses ten bushels due to spoilage. A. none of these B. exponential C. quadratic D. linear

Given:

The quantity of corn Farmer Joe has to sell = 1,000 bushels

The present market price for corn = $5.00 a bushel

The amount by which he expects the market price to rise per week =$0.15

The number of bushels lost to spoilage per week = 10

The price of the corn per bushel with time = 5 + 0.15×t

The amount of corn left with time= 1000 - 10×t

Where;

t = Time in minutes

Value of the corn = Amount of corn left × Price of corn

Value of the corn = (1000 - 10×t) × (5 + 0.15×t)

=(1000-10t) × (5+0.15t)

=5,000 + 150t - 50t - 1.5t²

= -1.5t² +100t + 5000

Value of the corn= -1.5t² +100t + 5000.

It is a quadratic model

4 0
4 years ago
Can someone help me with this I am not the best at math
mamaluj [8]

4.)

A.)

P = 140

i = 0.05

B.)

140(1.05)^t

C.)

0 = 140

10 = 228.05

5.)

A.) The y-intercept is how much the cell phone cost to purchase.

B.) V means value, t meaning years was replaced by 4, and 31.25 is how much it's worth at that time.

C.) The graph is decreasing, and the value goes down with time.

5 0
3 years ago
Help will give brainliest if correct
dusya [7]

Answer: 32

Step-by-step explanation: the big number is 64 and the smallest number is 32. 64-32=32

7 0
3 years ago
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