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Andreas93 [3]
3 years ago
5

Please help with this algebra :)

Mathematics
1 answer:
Dahasolnce [82]3 years ago
8 0
I am gonna go for D is the answer.
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HELP PLSS WILL GIVE BRAINLIEST<br> Solve N = 3rt^4 - 5rz <br> (solve for z)
Whitepunk [10]

Answer:

Step-by-step explanation:

N = 3rt^4 - 5rz

now factor r out

N = r(3t^4-5z)

divide by r on both sides

N/r = (3t^4 - 5z)

subtract (3t^4)

N/r - 3t^4 = -5z

now divide by -5 to isolate the variable (z)

\frac{(n/r)-3t^4}{-5} = z

7 0
3 years ago
Read 2 more answers
The equation y=2x+3 represents the cost y (in dollars) of mailing a package that weighs x pounds. a. Graph the equation. b. Usin
FinnZ [79.3K]

Answer:

B. Slightly more than $5

Step-by-step explanation:

y = 2x + 3

Firstly we check variables to make sure we understand.

y = dollars

x = pounds

On the scale, it says 1.126 lb. Which means 1.126 pounds.

And so, x = 1.126

y = 2x + 3

y = 2(1.126) + 3

y = 2.252 + 3

y = 2.252

The graph for part a and park b. It is underneath. I wrote 1.1, because it is rounded down from 1.126 lb, which is part b. The one with one line and no dots is part a.

4 0
2 years ago
Please help me #3 in the top and #1 and #2 in the bottom. I'm so confused
nikitadnepr [17]
Question 3
C(1, -7) D(-8, -7)
To find side length DC you count how many units are between the two points.   C(1) D(-8) = 9 units

Question 1
Again count the points around the edge of the square. Since this shape is a rectangle, side length WX = YZ and side length XY = WZ. 
WX = YZ = 11 units
XY = WZ = 15 units
Perimeter = WX + YZ + XY + WZ = 11(2) + 15(2) = 52 units





5 0
3 years ago
Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. She also earns a base salary
daser333 [38]
750+.0725(4500)=$1076.25
3 0
3 years ago
Find the equation of the line parallel to 2x + 2y = 3 which passes through the point (1,4). Give your answer in the form of y =
Bumek [7]
If a line is parallel to another line, then the slopes must be the same. the easiest way to find the slope is to put your equation into slope-intercept form (or y=mx+c)so 2x + 2y = 3 put into slope-intercept form would bey = -x + (3/2) by getting y alone and dividing everything by 2.now we know that the slope is -1.
for our new line, we have y = -x + cif it passes through point (1,4) this means that we can solve for the c in the equation.to do this, we can plug in 1 for x and 4 for y and solve for cthen we would get4 = -1 + cc = 5
now we know that the equation for the new line is y = -x + 5
5 0
3 years ago
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