MATHEMATICS HIGH SCHOOL

Which expression is equivalent to (12x−5y−1)+(17y−4−13x−3y)?which one is it?

1. −4x+12y−5
2. −x+9y−5
3. −x−25y+5
4. 25x−19y+3

Answers

Answer 1

Answer:

The expression that is equivalent to the given expression is -x+9y−5. The correct option is 2. −x+9y−5

From the question,

We are to determine the expression which is equivalent to the given expression.

First, we will simplify the given expression

The given expression is (12x−5y−1)+(17y−4−13x−3y)

The expression can be simplified as shown below

(12x−5y−1)+(17y−4−13x−3y)

12x−5y−1+17y−4−13x−3y

Collect like terms

12x−13x+17y−5y−3y−4−1

This becomes

-x+9y−5

The simplified expression is -x+9y−5

Hence, the expression that is equivalent to the given expression is -x+9y−5. The correct option is 2. −x+9y−5

Learn more on simplifying expressions here: brainly.com/question/10618632

Answer 2

Answer: Answer:

The correct answer is 2. -x+9y-5

Explanation:

All you have to do is to remove the parentheses, collect the like term and then simply.

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What is the additive inverse of the polynomial -9x2+6x2y-5x3

Answers

The additive inverse of the equation is 9x2 - 6x2y + 5x3.

Which kind of function best models the data in the table? Use differences or ratios.y X
0 1.7
1 6.8
2 27.2
3 108.8
4 435.2

a. linear
b. quadratic
c. exponential
d. none of the above

Answers

Answer:

Option C exponential.

Step-by-step explanation:

To find the function best models the data in the table we will find the common ratio first. If the common ratios of the function are same then it's an exponential function.

For x = 0 and x = 1

$(f(1))/(f(0))=(6.8)/(1.7)=4$

For x = 1 and x = 2

$(f(2))/(f(1))=(27.2)/(6.8)=4$

For x = 2 and x = 3

$(f(3))/(f(2))=(108.8)/(27.2)=4$

Now we are sure that it's an exponential function.

For linear function common difference should be same in each term.

f(1) - f(0) = 6.8 - 1.7 = 5.1

f(2) - f(1) = 27.2 - 6.8 = 20.4

Therefore it's neither a linear function nor quadratic function.

Option C. is the correct option.

THE ANSWER IS LETTER C

franko pays $48.75 for fifteen 14-count boxes of granola bars. How much does 1 box of granola bars cost

Answers

Answer: 3.25

Step-by-step explanation: To calculate the price of a single box of granola bars we take the total price and divide it by 15 (the amount of boxes purchased) to get $3.25 per box of 14-count granola bars.

Can someone help me solve 5(t+2) please

Answers

This is a simple multiplication, written in a strange form.
5(t+2) means 5 x t + 5 x 2 which simplifies to:
5t + 10
If it's equal to a number, 0 for example, then with a little rearranging we can find what t is.
5t + 10 = 0,
5t = -10
t = -2
If it's not equal to something, the answer is just 5t + 10.

Complete the comparison 26 < a. 54 b.13 c.25 d.26