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Rom4ik [11]
3 years ago
13

Uli wants to write the phrase “the difference of seven and a number squared” as an algebraic expression. She wrote out several e

xpressions in the table. Which expression correctly represents the phrase?
Expression Number
Expression
1
StartFraction 7 Over 2 n EndFraction
2
n squared minus 7
3
7 minus n squared
4
StartFraction 2 n Over 7 EndFraction



Expression number
Mathematics
2 answers:
eimsori [14]3 years ago
8 0

Answer:

24;] ;] ;] ;]

Step-by-step explanation:

from spongebob

noname [10]3 years ago
7 0

Answer:

a

Step-by-step explanation:

edge, brainliest pls

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HELP HELP HELP<br><br> Just 5 quick algebra 1 questions for 100 points!
serious [3.7K]

1. x = a

2. y = b

3. The slope of a vertical line is undefined..

4. Change in y/change in x (m) or rise/run

5. Rewrite the equation in slope-intercept form to find the value of the y-intercept. The value of x will always be 0.

<h3>What is the Equation of a Line?</h3>

The equation, y = mx + b, in slope-intercept form, defines a line, where m is the slope and the y-intercept = b.

1. Slopes of vertical lines are always undefined, therefore, for a vertical line that contains (a, b), the equation would be: x = a.

2. Horizontal lines have a slope of 0, therefore, the equation of a horizontal line that contains the point, (a, b), will  be: y = b.

3. The slope of a vertical line is undefined.

4. Two ways of finding the slope if we are given two points on a line are:

Change in y/change in x (m) = y2 - y1 / x2 - x1

or

rise/run

5. If we have an equation in point-slope form, for example, y - 2 = 2(x - 4), rewrite the equation in slope-intercept form and find the value of the y-intercept:

y - 2 = 2x - 8

y = 2x - 8 + 2

y = 2x - 6

The y-intercept = -6, therefore, the coordinates of the y-intercept would be: (0, -6).

Learn more about the equation of a line on:

brainly.com/question/19417700

#SPJ1

8 0
1 year ago
Which number has an absolute value greater than 4?
pav-90 [236]

Answer:

0

Step-by-step explanation:

Sorry if this doesn't help much and if its wrong, but maybe you could mark this as brainly? Have a wonderful day!

5 0
3 years ago
In 2010, Joe bought 200 shares in the Nikon corporation for $22.07 per share. In 2016 he sold the shares for $15.11each.
slega [8]

Answer: a. $1392

b. 31.5%

Step-by-step explanation:

a. What was Joe's capital loss?

Cost price = $22.07 × 200 = $4414

Selling price = $15.11 × 200 = $3022

Capital loss = $3022 - $4414

= -$1392

b. Express Joe's capital loss as a percent, rounded to the nearest percent.

= Capital loss/Cost price × 100

= 1392/4414 × 100

= 31.5%

8 0
3 years ago
Which of the two nearest numbers to 19506<br> are divisible by 9?
emmasim [6.3K]

Answer:

I'm pretty sure it's 19,497 as the 1st nearest, and 19,515 as the 2nd

Because 19,506-9 is 19,497 and 19,506+9 is 19,515

4 0
3 years ago
The area of a bulletin board is 55 ft2. The length is nine feet less than four times the width. Find the length and the width, i
galben [10]

Answer:

The length and width are 11ft and 5ft respectively

Step-by-step explanation:

let the

length = L

Width = W

Area = LW = 55

The length is nine feet less than four times the width

L = 4W - 9

W (4W - 9) = 55

4W^2 - 9W -55 = 0

4W^2 - 20W + 11W - 55 = 0

4W(W - 5) + 11(W - 5) = 0

(W - 5)(4W + 11) = 0

W - 5 = 0 , 4W + 11=0

W = 5 or  - 11/4

since the width cannot be negative, W = 5

LW = 55

L = 55/5

L = 11

The length and width are 11ft and 5ft respectively.

7 0
3 years ago
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