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Lunna [17]
3 years ago
14

What is 15x-10=-10xwhat is -2+9=2x-7

Mathematics
1 answer:
LenKa [72]3 years ago
7 0
X=2/5 for first and x=7 for second (The typed ones not written)
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What is the cross-sectional area of a wire if its outside diameter is 0.0625 inch?
Leno4ka [110]

Given that the diameter: d= 0.0625 inch.

So, radius of the wire : r = \frac{0.0625}{2} = 0.03125 inch

Now the formula to find the cross-sectional area of wire ( circle) is:

A = πr²

= 3.14 * (0.03125)² Since, π = 3.14 and r = 0.03125

=3.14 * 0.000976563

= 0.003066406

= 0.00307 (Rounded to 5 decimal places).

Hence, cross-sectional area of a wire is 0.00307 square inches.

Hope this helps you!

5 0
3 years ago
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A bicycle shop is selling $500.00 bikes at 10% off. if the sales tax is 7% how much will the bike cost?
Vladimir [108]
The bike will cost $481.50
because 
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450 * 0.07 = 31.5
Now add the two totals to get 
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4 0
3 years ago
Find the slope of the line that passes through the points (10, -2) and (10,-6)
defon
-6+2
--------- =
10-10
-4
---- =
0
m=0
*(the "-----" are supposed to be fractions, sorry if that looks confusing)*

y+2=0(x-10)
y+2=0
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Your answer would be "y=-2."
4 0
3 years ago
A man on the third floor of a building shouts down to a person on the street. If the man is 25 feet up and the distance between
Mkey [24]
See attached picture for the answer:
 
you don't say how to round the answer so I did not round it.

7 0
3 years ago
Simplify the following expression. (4x2 + 8x + 15) + (x2 − x − 27) − (x + 5)(x − 7)
mario62 [17]

Answer:

X^2+ 2x+35

Step-by-step explanation:

Use pemdas. Multiply the parentheses. Multiply. Collect like terms. Remove the parentheses.

3 0
3 years ago
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