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Nostrana [21]
2 years ago
8

Dimitri wants to tip 20% on a restaurant bill that is $35.40.how much money should dimitri leave for the tip

Mathematics
2 answers:
yuradex [85]2 years ago
5 0
The answer is $7.08 .
35.40 times .20= 7.08
nasty-shy [4]2 years ago
4 0

Answer:

$7.08

Step-by-step explanation:

$35.40 / 10 = $3.54 = 10%

$3.54 * 2 = $7.08 = 20%

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Without using trignometery tables find value of , cos70/sin20+cos57.cosec33 - 2cos60
Helen [10]
Here  is some thoughts on this:

cos 57  = sin (90-57) = sin 33 

so cos 57 . cosec 33 = cos 57 / sin 33 = sin 33 / sin33 = 1

2 cos 60 = 2 * 1/2  = 1

so the last 2 parts work out to 0 

now we have to find cos 70 / sin 20

sin 20 = cos 70  so this comes to 1


so finally the answer is 1
4 0
3 years ago
Find the HCF and LCM of the following pairs of numbers:
Marina86 [1]

Answer:

a)HCF between 774&252 is=18

LCM between 774&252=10836

b)HCF between 204&544 is=68

LCM between 204&544 is=1632

c)HCF between 770&385 is=385

LCM between 770&385 is =770

d)HCF between 477&552=3

LCM between 447&552 is =82248

Step-by-step explanation:

a)because LCM=2×2×3×3×7×43

b)because LCM=2×2×2×2×2×3×17

c)because LCM=2×5×7×11

d)because LCM=2×2×2×3×23×149

4 0
3 years ago
Jayson has been collecting and mounting insects for a biology project for several weeks. He has collected 6 insects per week. He
iogann1982 [59]
That would be total collected over  w weeks is  6w - 14  
4 0
2 years ago
Read 2 more answers
The number of members in 20 families in a village is given as 6,8,6,3,2,5,7,8,6,5,5,7,7,8,6,6,7,7,6,5
svetoff [14.1K]

Answer:

2

6,6,6,6,6,6=more than 5

7,7,7,7,7=has exactly 5 members

7 0
3 years ago
You deposit $3000 into a bank account that pays 1.25% annual interest, compounded semi-annually. What is the final balance after
mojhsa [17]

Answer:

$3,153.32

Step-by-step explanation:

Given that

The deposited amount is $3,000

The annual interest rate is 1.25%

So, the semi-annual interest rate is 1.25% ÷2  = 0.625%

And, the time period = 4 × 2 = 8

We need to find out the final balance

So,

As we know that

Future value = Present value × (1 + rate of interest)^number of years

= $3,000 × (1 + 0.625%)^8

= $3,153.32

8 0
3 years ago
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