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inn [45]
3 years ago
8

For Each coin, state its worth as a percentage of $1?

Mathematics
2 answers:
djyliett [7]3 years ago
8 0
4. Is 250%, and 5. Is 500%

Explanation:
For #4, the coin is equal to $2 1/2, or $2.50. Since the question is asking the worth of each coin as a percentage of $1, $2.50 will be a percentage greater than 100%. $2.50 is 2.5x $1, so if $1 is seen as 100% in this problem, we can do 100 x 2.5. This is how you get the answer of 250%

You use the same method for question 5, except $5 is 5x $1, so we can do 100 x 5 to get 500%
Ratling [72]3 years ago
4 0

Answer:5. is 500%

Step-by-step explanation:

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Find the values of x, y, and z. The diagram is not to scale.
rosijanka [135]

Answer:

x= 81°, z= 99°, y°=68°

Step-by-step explanation:

considering the part of the triangle where 36° , 63° and x° is located as ΔABC.

to find the measure of x we use angle sum property.

We know that the sum of the angles of a triangle is always 180°. Therefore, if we know the two angles of a triangle, and we need to find its third angle, we use the angle sum property. We add the two known angles and subtract their sum from 180° to get the measure of the third angle.

so,

∠A + ∠B +∠C = 180°

36° + 63° + x° = 180°

99° + x° = 180°

x° = 180 - 99

x° = 81°

When two lines intersect each other at a single point, linear pairs of angles are formed. If the angles so formed are adjacent to each other after the intersection of the two lines, the angles are said to be linear. If two angles form a linear pair, the angles are supplementary, whose measures add up to 180°.

x° + z° = 180°

81° + z = 180°

z= 180 - 81

z= 99°

considering the next part of the triangle where 13° , z° and y° is located as ΔACD

to find the measure of y we use angle sum property.

∠A + ∠C + ∠D = 180°

13° + z° + y° = 180°

13°+99°+y°= 180°

112°+ y° = 180°

y°= 180- 112

y° = 68°

5 0
2 years ago
In the balcony of an auditorium, there are 20 seats in the first row, 22 seats in the second row and 24 seats in the third row.
JulsSmile [24]

Answer:

is two more than the row before

Step-by-step explanation:

i hope i help\

7 0
2 years ago
Jo is going on an 8-day activity holiday. Each day she can choose one of the water sports: kayaking or sailing, or land-based sp
Ronch [10]

Answer:

6 ways

Step-by-step explanation:

Given

Number of Sports: 3

Required

Determine the total number of schedules

Since, there are 3 sports and the schedule is in no particular order.

The number of schedules is calculated as thus:

Number = n!\ ways

Where:

n = 3

So, we have:

Number = 3 * 2 * 1\ ways

Number = 6\ ways

3 0
3 years ago
Factor 2x2 - 9x - 5 using substitution.
Otrada [13]

Answer:

(2x+1)(x−5)

Step-by-step explanation:

5 0
3 years ago
Physicists estimate that there are between 10^78 and 10^82 atoms in the universe. How do these two numbers compare with one anot
Ann [662]

Answer:

These two values show the range of maximum and the minimum possible approximation of the amount of atoms in the universe.

10000 of the small universe will fit into the big universe.

Step-by-step explanation:

These values are a representative of the possible number of atoms in the universe. They both give a range of possible numbers, within which the number of atoms in the universe can be assigned a a particular value. The range is used to indicate that the value cannot be be exactly determined to be a particular exact number.

The two numbers given are

10^82, and 10^78

If the the larger number of 10^82 is correct, we'll have

10^82 ÷ 10^78

==> 10^(82 -78) = 10000 of the small universe will fit into the larger universe.

4 0
3 years ago
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