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mart [117]
3 years ago
9

Hoping you can solve all of these problems!

Mathematics
1 answer:
nadya68 [22]3 years ago
5 0

Answer:

  • n-13
  • 3n
  • 12x-9
  • -k
  • -30n
  • -4n

Step-by-step explanation:

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Why is the percent increase of 45 to 75 not equal to the percentage crease of 75 to 45 check all that apply.
nevsk [136]

Answer: B and F

Step-by-step explanation:

Since, In the first case original amount = 45

So, the increasing percentage when the original amount increases to 75,

=  \frac{75-45}{45} \times 100 = \frac{30}{45} \times 100= \frac{200}{3} %

In second case original amount = 75

So the decreasing percentage when the original amount decreases to 45,

=    \frac{75-45}{75} \times 100 = \frac{30}{75} \times 100= \frac{40}{1} %

Thus, We found that the ratio of the percent increase is not the same as the percent decrease ( because,   \frac{200}{3}\neq \frac{40}{1}

Also, The original amount of the present increase is different from the original amount for the persons decrease. ( Because, 75\neq 45

Therefore, Option B and F is correct only.



5 0
3 years ago
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Method for constructing the circle that inscribed a triangle
AleksAgata [21]

Answer:

Radius = incenter → peprpendicular to one side of the triangle

Step-by-step explanation:

  1. Bisect one of the angles
  2. Bisect another angle
  3. Where those two lines cross is the center of the inscribed circle, called the incenter
  4. Construct a perpendicular from the center point to one side of the triangle
  5. Place compass on the center point, adjust its length to where the perpendicular crosses the triangle, and draw your inscribed circle!
4 0
3 years ago
1.Jessica lost some of her money. She found 3/6 of it. What fraction of her money is still missing ?
notsponge [240]
Hey there!

1.
If Jessica found 3/6 of her money, half of it is still missing.

This is because 3/6 = 1/2, so Jessica also found half of her money and is missing half of it.

2.

16 ounces = 1 pound

16 ounces * 10 pounds = 160 <------

If the baby weighs 10 pounds, he weighs 160 ounces.

Hope this helps you.
Have a great day!
7 0
3 years ago
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When the y-values are the same, the slope is
tino4ka555 [31]

Answer : 12.8

Step-by-step explanation: if u round the 7 it is going to be eight because it is bigger than four

8 0
3 years ago
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The equation x2 + y2 − 2x + 2y − 1 = 0 is the general form of the equation of a circle. What is the standard form of the equatio
8_murik_8 [283]
(x – h)^2<span> + (y – k)^</span>2<span> = r^2</span><span>, this is the standard form of circle if you asking in that way..</span>
5 0
3 years ago
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