All categories

3 years ago

What is the middle term of the product of (x - 4)(x - 3)? -x x -7x

Mathematics

2 answers:

denis23 [38]3 years ago

7 0

Answer:

The middle term of the equation is (x - 4)(x - 3) is -7x .

Step-by-step explanation:

As given the expression in the question be as follow .

= (x - 4)(x - 3)

First open the bracket and simplify the above terms .

= x × x - x × 3 - 4 × x -4 × -3

= x² -3x -4x + 12

= x² -7x + 12

Therefore the middle term of the equation is (x - 4)(x - 3) is -7x .

Anna11 [10]3 years ago

4 0

x^2 - 4x - 3x + 12

= x^2 -7x +12

middle term= -7x

You might be interested in

Find the area of the composite figure 12 yd height 10 yd base

Cloud [144]

Answer:

120 yd^2

Step-by-step explanation:

1. 12x10= 120

2. 120 yd ^2

3 0

2 years ago

A laptop has listed a price of $802.99 before tax. If the sales tax rate is 7.25%, find the total cost of the laptop with sales

wariber [46]

Net Price: $ 802.99
+ Sales Tax (7.25%): $ 58.22
Total Price: $ 861.21

6 0

3 years ago

Read 2 more answers

Lee watches TV for 2 hours per day. During that time, the TV consumes 250 watts per hour. Electricity costs (10 cents)/(1 kilowa

vladimir1956 [14]

Answer:

$1.5

Step-by-step explanation:

Lets us first calculate energy consumed by TV in 30 days.

Energy consumed by TV in one hour : 250 watts.

TV operated 2 hours a day

so energy consumer by TV in a day = 250 * 2 watts = 500 watts hour

Energy consumed by TV in 30 day = energy consumer by TV in a day * 30

= 500*30 watts = 15,000 watt-hour

Convert total energy consumed in kilo watt hour

we know that one kilowatt hour = 1000 watt-hour

Thus, 15,000 watt-hour = 15,000/1000 kilowatt-hour = 15 kilowatt-hour

________________________________

cost of electricity = 10 cents per kilowatt-hour

cost of electricity for 15 kilowatt-hour = 15* cost of electricity for one kilowatt-hour( which is 10 cents)

=>15*10 = 150 cents

As $1 = 100 cents

hence 150 cents = $150/100 = $1.5 .

Thus, it cost $1.5 to to operate for a month of 30 days.

6 0

3 years ago

HELP: Part A: Using computer software, a correlation coefficient of r=0.51 was calculated. Based on the scatter plot, is that an

user100 [1]

Answer:

Part A: YES, it is.

Part B: the amount of pumpkin picked and the amount of fertilizer applied.

Step-by-step explanation:

Part A:

The closer the correlation coefficient is to 1, the stronger the relationship between two variables, and vice versa. Also, the closer the data points are on a scatter plot, the closer the correlation coefficient is to 1.

The scatter plot shown indicates a positive correlation between number of days and number of pumpkins. However, the data points are to some extent farther apart from each other. This shows a moderate relationship between the two variables. Therefore, a correlation coefficient, r, of 0.51 that was calculated can be concluded to be accurate , because an r of 0.51 depicts a moderate relationship between two variables.

Part B:

A variable that could affect the number of pumpkins picked could be amount of fertilizer applied, instead of the day in October. Thus, we can compare the amount of pumpkin picked and the amount of fertilizer applied.

8 0

3 years ago

If the ratio of three angles of a triangle is 2:3:4 find the size of the largest angle

Murljashka [212]

Answer: 80°

Step-by-Step Explanation:

By Angle Sum Property of a Triangle, all angles in a Triangle add up to 180°

Finding the Value of ‘x’ :-

2x + 3x + 4x = 180
5x + 4x = 180
9x = 180
x = 180/9
=> x = 20

Finding each Angle :-

2x = 2(20) = 2 * 20 = 40°
3x = 3(20) = 3 * 20 = 60°
4x = 4(20) = 4 * 20 = 80°

Hence, the Largest Angle is 80°

3 0

1 year ago