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erastova [34]
3 years ago
14

Please help!!!

Mathematics
1 answer:
exis [7]3 years ago
7 0
1) the answer is 2, 12 - 4x = 2x, x=2.
2) x + (x+5) = 17, 2x = 12, x=6.
3) x + (3x-60) = 1220, 4x = 1280. So Fred, x, made $320. Frank made $900.
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Find the circumference and area <br> r = 5 m
stira [4]

Step-by-step explanation:

Let's get our relevant base equations listed out:

d = 2r

area = pi*r²

c = πd

Thus, d=2*5m  = 10m, c=π*10m=10π m, and area = 25m²*π

Feel free to ask further questions!

4 0
3 years ago
Rewrite in mathematical language. Every negative integer J is less than or equal to its inverse.
Luda [366]

Answer:

-J \leq J

Step-by-step explanation:

Given

Negative integer J

Required

Represent as an inequality of its inverse

The question didn't state if it's additive inverse or multiplicative inverse;

<em>Since the question has to do with negation, I'll assume it's an additive inverse</em>

<em></em>

The inverse of -J is +J

To represent as an inequality (less than or equal), we have:

-J \leq +J

Solving further, it gives

-J \leq J

3 0
3 years ago
Wxyz is a rectangle. what is zx?
Nitella [24]
ZX is the diagonal :)
Hope this helped!
8 0
3 years ago
Read 2 more answers
A rectangular box has dimensions 12 by 16 by 21, as shown here:
professor190 [17]

Answer: 29

Step-by-step explanation:

d = √(l2 + w2 + h2)

d = √(12^2+ 16^2+ 21^2) = 29

3 0
2 years ago
Which of the following is not a case of direct variation
Gelneren [198K]

Answer:

I can't understand.. can you add pictures also

5 0
3 years ago
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