Which trinomial is equivalent to (3x-1)(x+4)

Answers

Answer 1

Answer: Foil this out.
first 3x*x outer
3x*4 Inner
-1*x last -1*4 multiply,
combine like terms, and you'll have your answer

Answer 2

Answer: (3x - 1)(x +4)=
= 3x * x + 3x * 4 - 1 * x - 1 * 4 =
= 3x^2 + 12x - x - 4 =
= 3x^2 + 11x - 4

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A student is trying to solve the system of two equations given below: Equation P: y + z = 4 Equation Q: 3y + 7z = 15 Which of the following steps can be used to eliminate the y term? A. –3(y + z = 4) B. 3(y + z = 4) C. –1(3y + 7z = 15) D. –3(3y + 7z = 15)

Answers

look at them
P: 1y
Q: 3y
multiply first equation by -3 becuase 3y-3y=0
-3P
-3(y-z=4) is answer

A is answer

Shelly and Terrence completed x tasks in a game. Terrence's total points were 20 less than Shelly's total. The expression below shows Terrence's total points in the game: 90x - 20What does the first term of the expression represent?

The total points Shelly earned

The number of tasks Terrence completed

The sum of Shelly and Terrence's total points

The number of tasks Shelly completed

Answers

"The total points Shelly earned" is the one among the following choices given in the question that the first term of the expression represent. The correct option among all the options that are given in the question is the first option. I hope that this is the answer that has come to your desired help.

We are given that Terrence scored (90x - 20) points, and that he scored 20 points less than Shelly. Therefore, Shelly scored (90x - 20) + 20 = 90x.
Since the first term of the expression is 90x, this is equivalent to the number of points Shelly earned. Therefore the best answer is the first choice.

What is root 9 divided by root 25

Answers

Answer:

5÷3

Step-by-step explanation:

You have 1 case of soap bars and there are 150 bars in a case. You use 300 bars of soap per day. How many cases do you need to order to have enough for 7 days?* 11 12 13 14

Answers

You first multiply 7*150 and that is 2100 bars of soaps you need to last 7 days. If there is 150 bars in each case you divide 2100 by 150 and you get 14?. You are using 14 cases for 7 day.

Can you please help my brother !!!!!!

Answers

Answer:

5/4 = 5/8 times 2

16/5 = 8 times 2/5

9 and 8 the last two

Step-by-step explanation:

I have a math question.Two fielda ats state park are 1000 meters from each other.On a map,the two fields are 8 centimeters apart.What scale is the map using?Is it the metric scale??

Answers

Answer:

The scale used is 1 : 12500. And the scale is in centimetres

Step-by-step explanation:

Given:

state park are 1000 meters from each other.

On a map,the two fields are 8 centimetres apart

To Find:

The scale used by the map = ?

Is it the metric scale?

Solution:

Actual distance between the parks is 1000 meters. But in map the distance is 8 centimetres

so the scale for map to actual distance is

8 cm : 1000 m

Now,

1 m = 100 m

1000 m = 100000 cm

Thus

8 cm : 100000 cm

On Reducing we get,

1 : 12500

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If you increase the width of a rectangle, then the perimeter will increase. True or false?

Please give an explanation

Is (0, 0) a solution to x = y?

To convert centimeters to meters, you must: by what number? multiply divide 10 100 1,000