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Arada [10]
3 years ago
5

13. I have 22 nickels, dimes and quarters worth $3.45. There are twice as many quarters as nickels. Find the number of each coin

.
Mathematics
1 answer:
damaskus [11]3 years ago
6 0

Answer:

12 nickels 4 dimes 3 quaters

Step-by-step explanation:

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The theoretical probability of spinning an even number on a spinner is 23. The spinner has 8 even-numbered sections. How many se
meriva

Answer:

there are 12 sections

here is how to do it:

2 8

_ = _

3 x

so you cross multiply

8 x 3 = 2x

24=2x

12=x

Step-by-step explanation:

6 0
3 years ago
A cube shaped box has a volume of 27 cubic inches bethany says each side of the cube measures 9 inches because 9 x 3 = 27. Is be
borishaifa [10]

Answer:

  No

Step-by-step explanation:

The volume of the box is the product of its three dimensions, length, width, and height. The product of a number of "inches" and a "pure number" (3 has no units given) will not be "cubic inches."

_____

As it happens, the cube-shaped box with a volume of 27 cubic inches will have a height of 3 <em>inches</em> and a side area of 9 <em>square inches</em>. The edge length of the cube is 3 inches, not 9.

8 0
3 years ago
Does anyone know how to do this?
Elanso [62]

~Shoto Todoroki here~

Answer:

( n − 2 ) × 180

Step-by-step explanation:

The formula for calculating the sum of interior angles is ( n − 2 ) × 180 ∘ where is the number of sides. All the interior angles in a regular polygon are equal. The formula for calculating the size of an interior angle is: interior angle of a polygon = sum of interior angles ÷ number of sides.

hope this helps :))

5 0
2 years ago
A regular hexagon has an apothem of 2 and a side length of 4 /3/3 its area is
Ne4ueva [31]
A hexagon can be considered to be  6 triangles with a common vertex.
Area of 1 of the triangle = 1/2 * 2 * side length

Area of whole hexagon is 6 times this.
5 0
3 years ago
Find the value of a and b so that f(x)=(x-5)(a㏒ₓ3-b)
Ray Of Light [21]

Answer:

:-p(x) = x⁴ - ax³ -3x² + 2x + bWe have to find the values of "a" and "b"Given :-(x+1) and (x-1)

Step-by-step explanation:

5 0
2 years ago
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