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harkovskaia [24]
3 years ago
14

How do i prove this?

Mathematics
1 answer:
Radda [10]3 years ago
4 0

you first have to simfly in the partithies always then solve and prove done!

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Wxyz is a rectangle, what is zx
Alika [10]
ZX is a diagonal line from corner to corner.
6 0
3 years ago
Read 2 more answers
Raul crosses Main Street when he walks home from school. The graph of the function d(t)=4|t-0.75) shows Raul's distance, in mile
lina2011 [118]

Answer: does someone have it cause I’m stuck to

Step-by-step explanation:

7 0
2 years ago
Please help me out and show work
lina2011 [118]

Answer:

s(x)=\frac{0.2}{x+5}

Step-by-step explanation:

In 5 liters, there is 4% salt.

Lets find liters of salt.

First, converting 4% to decimal (dividing by 100):

4% = 4/100 = 0.04

0.04 * 5 = 0.2

So, there is 0.2 liters of salt.

Now, x liters of water is added to total, so total is now:

5 + x

The concentration of salt will be amount of salt divided by amount of salt water solution.

Amount of salt = 0.2 (as seen above)

Amount of new salt water solution = x + 5

So,

Concentration of salt in new solution is  \frac{0.2}{x+5}

2nd choice is right.

4 0
3 years ago
Evaluate.<br><br><br> 2 • {390 – [5 • (10 – 4 ÷ 2)] + 15} • 2
otez555 [7]
The correct answer is 1460

8 0
3 years ago
PLEASE HELP,
valina [46]
What we know:

3.14 pi
radius: 7in.
Result units: in^3, this is the results of in used for radius; no conversion needed
Formula volume of a sphere: (4/3)* pi * r^3

(4/3)(3.14)(7)(7)(7)
(4/3)(3.14)(343)
(4/3)(1077.02)
(1.3)(1077.02) \\repeated 3 infinite
1436.026666\\repeated 6inf

The volume of the sphere is about 1436.0266 in^3
5 0
3 years ago
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