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Andrews [41]
1 year ago
11

HELP I NEED THIS REALLY FAST WILL GIVE BRANILIEST!!!

Mathematics
2 answers:
krek1111 [17]1 year ago
8 0
The answer is B not A.
n200080 [17]1 year ago
6 0
the answer is A because it shows.
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Im an hour late, once again.. but i got the points<br><br> remember 10am and 3pm est
Iteru [2.4K]

Answer:

uh ok :

Step-by-step explanation:

3 0
3 years ago
If any vertical line intersects a graph more than once, the graph does not define y as a function
kirill [66]
The answer to it is false
7 0
2 years ago
Solve the system of equations.<br> y = 9x<br> y= 2x+56
nadya68 [22]

Answer:

(8, 72)

Step-by-step explanation:

Here we have two separate equations for y:  y = 9x and y = 2x + 56.

Equating these equations eliminates y temporarily; we get:

9x = 2x + 56, or 7x = 56.  Dividing both sides by 7 results in x = 8.  

Then, by the first equation, y = 9(8) = 72.

The solution is (8, 72).

5 0
2 years ago
30. The perimeter of a rectangle is 292 feet. The length of the rectangle is 4 feet less than 5 times the width. What is the len
blondinia [14]
P = 2(L + W)
P = 292
L = 5W - 4

292 = 2(5W - 4 + W)
292 = 2(6W - 4)
292 = 12W - 8
292 + 8 = 12W
300 = 12W
300/12 = W
25 = W <=== width is 25 ft

L = 5W - 4
L = 5(25) - 4
L = 125 - 4
L = 121 <=== length is 121 ft
5 0
3 years ago
Electrical Resistance The electrical resistance R of a wire varies inversely with the square of its diameter d. If a 25-foot wir
kati45 [8]

Answer:

The answer is below

Step-by-step explanation:

The electrical resistance R of a wire varies inversely with the square of its diameter d:

R ∝ 1 / d

Let k represent the constant of proportionality, hence we can represent the statement as an equation:

R=\frac{k}{d^2}\\ \\when\ R=0.5 \Omega,d=2\ mm\\\\0.5=\frac{k}{2^2} \\\\k=2\\\\The\ equation\ becomes :\\\\R=\frac{2}{d^2}\\ \\When\ d=3, we\ find\ R\\\\R=\frac{2}{3^2} \\\\R=0.22\ \Omega

8 0
3 years ago
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