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Bogdan [553]
3 years ago
7

A collection of dimes and nickels has a value of 1.65. if there are 20 coins in all how many of the coins are dimes?

Mathematics
1 answer:
Nostrana [21]3 years ago
3 0
This question gives you information to make a system of equations, which you then use substitution to solve.

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4. An extension ladder is leaned up against a building to reach a window that is 16.1 feet
ElenaW [278]

Answer:

a) ~18.95ft

b) ~58°

c) ~32°

3 0
3 years ago
Gabriel lives in a state where the sales tax rate is 6.25%. If Gabriel purchase an item for $60.00, how much sales tax does he n
Rina8888 [55]

Answer:

Gabriel needs to have $3.75 for sales tax.

Step-by-step explanation:

A sales tax rate of 6.25% means that 6.25 cents is going to be charged for tax for each dollar you spend. (Because 6.25% of $1.00 is 6.25 cents.)

If he was spending $10, the sales tax would be 62.5 cents (6.25 cents per dollar x 10 dollars). Since he is spending $60 on this item, the equation would be (6.25 cents per dollar x 60 dollars) (6.25 cents x 60 = 375 cents).

And 375 cents equals $3.75.

4 0
3 years ago
Help plssssssssssssssssssssssssssss
Elenna [48]

Answer:

Step-by-step explanation:

Substituting x and y values into the equations, we can get the equation

y = 7 -3x

slope: -3

8 0
3 years ago
Read 2 more answers
HELP YOUR GUY!!!!!!!!!!!!!!!
padilas [110]

Answer:

310.86ft²

Step-by-step explanation:

30/2 = 15

3.14*15² = 706.5

30+3+3 = 36

36/2 = 18

3.14*18² = 1017.36

1017.36 - 706.5 = 310.86

Hope it helps

4 0
2 years ago
Read 2 more answers
The sum of two numbers is 58. The smaller number is 16 less than the larger number. What are the numbers?
MissTica

Answer:

hope it may help you

Step-by-step explanation:

n and n+14 are the numbers or you can use n and n-14; either way

n+n+14=58

2n+14=58

2n=58-14

2n=44

n=22 and n+14=22+14=36

22 and 36 are the numbers

or,...

58/2=29

29 and 29

28 and 30

27 and 31

26 and 32

25 and 33

24 and 34

23 and 35

22 and 36 answer

6 0
2 years ago
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