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baherus [9]
4 years ago
12

I DONT UNDERSTAND!! PLEASE HELP!!

Mathematics
2 answers:
Zolol [24]4 years ago
7 0
A.  let x be amount of money ofelia originally had

x - 12 = 15

x = 15 + 12
x = $27

b
let smallest integer be x, then

x + x+1 + x + 2 = 234
3x = 234 - 3 = 231
x = 231/3  =  77

so the 3 numbers are 77,78 and 79.
Zanzabum4 years ago
3 0
A. x-12=15 x = 27
b. x+x+1+x+2 = 234 3x = 231 x=77 so the numbers are 77,78,79




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2160 as a product of its prime factors using indices
kolbaska11 [484]

Answer:

2⁴ × 3³ × 5

Step-by-step explanation:

By prime factorisation,

→ 2160 = 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5

→ 2160 = 2⁴ × 3³ × 5

8 0
3 years ago
What are the measures of each interior angles of a regular 24-gon
Andre45 [30]
The formula for the sum of the interior angles of a polygon is (n-2)*180, where n is the number of sides.

So, you'd have:
180(24-2)
180(22)
3960

3960 degrees is the sum of all the measures of the interior angles of a 24-gon. Now, to find how much each angle measures in a regular 24-gon, simply divide this: 3960/24.

You can use a calculator to solve this, but to actually give you the answer to your question:
3960/24=165

In a regular 24-gon, each angle's measurement is 165 degrees.
4 0
4 years ago
Can a regular polygon have an interior angles of 169?​
baherus [9]

Answer:

No.

Step-by-step explanation:

If it is a regular polygon then the sum of its exterior angles add up to 360 degrees. The number of sides in such a polygon  = 360 / exterior angle.

Here each exterior angle = 180-169 = 11 degrees,

Now 11 is not a factor of 360 and if we try to find the number of sides we don't get a whole number, so the answer is NO.

5 0
3 years ago
Please provide explanation + answer :((((( im crying
Vladimir79 [104]

Answer:

1. Given

2. Subtraction property of Equality

3. Division property of Equality

I hope I helped you^_^

6 0
3 years ago
X+2y=10. x+y=6 SOLVE for the value of x and y.
Ksivusya [100]
<span>X+2y=10 ----Eq.1
</span><span>x+y=6---------Eq.2
from Eq2.
x=6-y
Subtituting the value of X in the first equation
6-y+2y=10
6+y=10
y=4
Plug y=4 in equation 2.
</span><span>x+4=6
</span>X= 2
7 0
3 years ago
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