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Ostrovityanka [42]
1 year ago
13

Tyler plans to snowboard for 7 days. A daily ticket costs $50, but there is a

Mathematics
1 answer:
earnstyle [38]1 year ago
8 0

Answer:

Step-by-step explanation:

$8.75

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charmaine and tesha each have a number of cards, in the ratio 2:3. tesha and holly have a number of cards in the ratio 2:1. if t
Sav [38]
C:t=2:3
t:h=2:1

multiply first equation by 2 and 2nd by 3
c:t=4:6
t:h=6:3
so
c:t:h=4:6:3

if t is 4 more than c
t is 6 units and c is 4
6-4=2
so 4=2 units
2=1 unit

hollly is 3 units
3*2=6
holly has 6 cards
3 0
2 years ago
What is the exact value of the cos F?
Galina-37 [17]

Answer:

cos(F) = 9/41

Step-by-step explanation:

The triangles are similar, so you know that ...

... cos(D) = cos(A) = 40/41.

From trig relations, you know ...

... cos(F) = sin(D)

and

... sin(D)² +cos(D)² = 1

So ...

... cos(F) = sin(D) = √(1 -cos(D)²) = √(1 -(40/41)²) = √(81/1681)

... cos(F) = 9/41

_____

The ratio for cos(A) tells you that you can consider AB=40, AC=41. Then, using the Pythagorean theorem, you can find BC = √(41² -40²) = √81 = 9.

From the definition of the cosine, you know cos(C) = BC/AC = 9/41. Because the triangles are similar, you know

... cos(F) = cos(C) = 9/41

7 0
2 years ago
it takes you approximately 1/3 hour to type a memo. if you plan to work for 6 hours, how many memos can you type? a. 18 b. 6 (c.
Harrizon [31]
U would actually do both...because when ur dividing fractions, u end up multiplying....but u start with dividing.
6 / (1/3) =
6 * 3 = 18 <== ur answer

6 0
2 years ago
Read 2 more answers
The Rotation R maps all 60° about O the center of the regular hexagon. State the image of B for the following rotation.
Andru [333]
It is B. Since each angle is 60 degrees, if you rotate B counterclockwise 6 times, it means that you rotated B 360 degrees. Therefore, the image of B would be B.
7 0
2 years ago
Read 2 more answers
A hospital bill is estimated to be $462.00. It ends up actually costing the patient $525.00. What is the percent error in the bi
Mamont248 [21]
In order to find the percent error, we need to first find the difference between what was expected and what is actually costed. We do this by subtracting:

525-462=63

So now we know that the expected amount was off by $63. To find the percent error, we need to take this $63, and divide it by the amount that was estimated. Let's do that now:

\frac{63}{462}=0.1364

However this is in decimal form. We need to multiply by 100 in order to get it in a percent:

0.1364*100=13.64%

Now we know that the percent error of the hospital bill estimate is 13.64%.
6 0
2 years ago
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