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AlladinOne [14]
3 years ago
13

PLEASE HELP!! I'LL GIVE YOU BRAINLIEST !!

Mathematics
1 answer:
Nostrana [21]3 years ago
3 0

Answer:

1.c

2.a

3.d

4.a

5.c

6.b

Step-by-step explanation:

sina=cos b

cosa= sin b

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Melissa had $20 to purchase candy for a party. She purchased 3.6 pounds of candy that cost $2.50 per pound. How much money does
sammy [17]

Answer:

1738

Step-by-step explanation:

7 0
3 years ago
The price of a watch was increased by 7% to £1350. What was the price before the increase? Give your answer to the nearest penny
frutty [35]

Answer:

1261.68

Step-by-step explanation:

1350 = the increased watch price= 107% of the original

1350= 1.07x

1261.68224299

Check:

7% of 1261.68224299 is 88.317757

1261.68224299 + 88.317757 = 1349.9 = 1350

Round:

1261.68224299  

To the penny= to the hundreth= 1261.68

3 0
3 years ago
Patricia invites her friends to dinner at a restraint. The bill is $32.80 she decides to leave a 15% tip. If she pays with a $50
kobusy [5.1K]

Answer:

First you will want to turn 15% into a decimal, then you will subtract the decimal from 50. Hope this helped

Step-by-step explanation:

8 0
3 years ago
Danielle earns a 8.25% commission on everything she sells at the electronics store where she works. She also earns a base salary
Mariulka [41]

Answer: her sales last week was $4300.

Step-by-step explanation:

Let x represent her her sales in a week.

Danielle earns a 8.25% commission on everything she sells at the electronics store where she works. This means that the commission she gets if she makes sales of $x is 0.0825x

She also earns a base salary of $675 per week. The expression for the total earnings for a week in which she made sales of $x would be

0.0825x + 675

if her total earnings for last week were $1,029.75, it means that

0.0825x + 675 = 1029.75

0.0825x = 1029.75 - 675

0.0825x = 1029.75 - 675

0.0825x = 354.75

x = 354.75/0.0825

x = $4300

3 0
3 years ago
Interest paid on £2500 at an interest at an interest rate of 15%
postnew [5]

Answer:

  • £375

Step-by-step explanation:

  • Amount = £2500
  • Interest rate = 15%

<u>Interest </u>

  • £2500*15/100 = £375
8 0
3 years ago
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