MATHEMATICS HIGH SCHOOL

-x(7x - 8)

A. 6x^2 - 9x
B. -7x - 8x
C. -7x^2 + 8x
D. 7x + 8x

Answers

Answer 1
Answer: C. -7x ^ + 8x
the answer

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Subtract: 5 – 3 1⁄3

Answers

5 - 3 1/3?

whell the answer would come up to be 5/3
5/3 the answer is or 2/3

How to do a word phrase 2(5-n)

Answers

twice the difference of 5 and n.

In which of the following stores would you pay the least amount for an item that is priced $360? Store A: Sale of 10% off and a successive discount of 10% off. Store B: Sale of 15% with no additional discount. Store C: Sale of $35 off and a successive discount of 10% off.

Answers

Given:
Price : 360

Store A: Sale of 10% off and a successive discount of 10% off.
360 * (100-10)% = 360 * 90% = 324
324 * (100-10)% = 324 * 90% = 291.60

Store B: Sale of 15% with no additional discount
360 * (100-15)% = 360 * 85% = 306

Store C: Sale of $35 off and a successive discount of 10% off
360 - 35 = 325
325 * (100-10)% = 325 * 90% = 292.50

Store A has the least amount to pay for an item at price of 291.60

Answer:

option b

Step-by-step explanation:

LM is the midsegment of trapezoid ABCD. AB= x + 8, LM = 4x + 3, and DC = 187. What is the value of x?

Answers

Length of the midsegment of trapezoid:
LM = ( AB + DC ) / 2
4 x + 3 = ( x + 8 + 187 ) / 2         / * 2   ( we will multiply both sides of the equation by 2 )
8 x + 6 = x + 8 + 187
8 x + 6 = x + 195
8 x - x = 195 - 6
7 x = 189
x = 189 : 7
Answer:
x = 27 

The scatterplot shows the time it takes for a new hot plate to boil various amounts of water, and one lab group’s attempt at a line of best fit. What feedback should another lab group give during a peer review of the work? The line of best fit is reasonable because it does not go through any points. The line of best fit is reasonable because it goes through the largest cluster of points. The line of best fit is not reasonable because it does not go through any points. The line of best fit is not reasonable because it has more points below it than above it.

Answers

The feedback the other lab group should give is (d) the line of best fit is not reasonable because it has more points below it than above it.

From the scattered plot (see attachment), we can see that the scattered plot has a total of 7 dots,

  • 5 of which are below the line of best fit,
  • 1 is on the line of best fit, and the other one is above it.

There are more points below the scattered plot, than above it.

This means that the scattered plot is not reasonable because of (d)

Read more about scattered plots at:

brainly.com/question/6592115

Answer:

The correct option is;

The line of best fit is not reasonable because it has more points below it than above it.

Step-by-step explanation:

Here we note that there are a total of seven points in the scatter plot and there are five of the points below the line of best fit and just two above the line.

Of the five points below the line of best fit, four are just about touching the underside of the line while one of the two points above the line is just about touching the line.

The proper positioning of the line can be reviewed, therefore, with a line drawn through the four points presently touching the underside of the line of best fit.

A new bank account is opened on week 1 with a $200 deposit. After that first week, weekly deposits of $55 are made in the account. If y represents the total deposited into the account and x represents the number of weeks, which function rule describes this situation?

Answers

Answer: y = 200+ 55x

Step-by-step explanation:

Hi, to answer this question we have to write an equation using the information given:

So, the total deposits (y) are equal to the week 1 deposit (200) plus the product of the amount of the deposits per week (55) and the number of weeks (x).

Mathematically speaking:

y = 200+ 55x

Feel free to ask for more if needed or if you did not understand something.
y=55x+200, you multiply the number of weeks by the amount of money, and add 200 because they started with that.   
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