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KonstantinChe [14]
2 years ago
15

Pls help I need a good grade

Mathematics
2 answers:
vesna_86 [32]2 years ago
8 0

Answer:

5

Step-by-step explanation:

subtract 28 on both sides

-3p = -15

Divide both sides by-3

p = 5

zvonat [6]2 years ago
6 0

Answer:

p=5

Step-by-step explanation:

28-13=3p

15=3p

p=5

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The express the area of the entire rectangle
Sonja [21]

Answer:

area= x^2+8x+7

Step-by-step explanation:

a=l*w

l=x+7

w=x+1

a=(x+7)(x+1)

a= x^2+8x+7

5 0
3 years ago
Y = f(x) = 25x<br><br> Find f(x) when x= 1/2
Ray Of Light [21]

Answer:

12.5

Step-by-step explanation:

f of x just means y, so you're just finding y when x = 1/2

7 0
3 years ago
Read 2 more answers
What is the equation of a line that its parallel to -3x+4y=4 and passes through the point (4,0)?
anzhelika [568]

Answer:

y=3/4x-3

Step-by-step explanation:

Okay so to be parallel to an equation of another line, the line must have the same slope but a different y-intercept. First, you need to find the slope of the equation -3x+4y=4. The equation must be in y=mx+b format, so you first move -3x to the right by adding it on both sides, leaving you with 4y=3x+4. Next, you divide 4y by 4 in order to isolate y and do that on the other side. Now, you have y=3/4x+1.

To find the equation of the new line, you must put the point and slope into point slope form: y-y1=m(x-x1). In the point (4, 0), 4 would be x1 and 0 would be y1. so, the new equation is y-0=3/4 (x-4). now, distrubute the 3/4, leaving you with y=3/4x-3. This is correct since the slope remains the same in both equations with a different y-intercept. To check deeper, you could place point (4, 0) on a graph and then rise 3, run 4 until you get the line :) hope this helps

7 0
2 years ago
If there wee 160 houses built and 3/8 of them are sold than how many are left
kramer
There would be 60 houses left
4 0
3 years ago
Please answer <br>Find the product.<br>(7m^2-3m-7)(m^2-7m-6)​
densk [106]

Step-by-step explanation:

(7m²-3m-7)(m²-7m-6) =

7m⁴-49m³-42m²-3m³+21m²+18m

-7m²+49m+42

= 7m⁴-52m³-28m²+67m+42

6 0
2 years ago
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