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lora16 [44]
3 years ago
15

Jovan needs to buy a package of ham for $5, a package of cheese for $3, and a loaf of bread for $4 to make lunch. Jovan has a co

upon that gives him x percent off on a package of cheese. He has a second coupon that gives him y percent off on a loaf of bread. He has a third coupon that gives him z percent off on his total purchase. Jovan cannot combine the coupon for the total purchase with the other two coupons. These expressions give both possibilities for the total cost of Jovan's purchase after the coupons are applied. The variables represent percentages as decimals. (1−x)3+(1−y)4+5 (1−z)(3+4+5) Which part of the expression represents the price of the ham, the cheese, and the bread before the total discount is applied? 3 + 4 + 5 (1−x) (1−z) 4(1−y)
Mathematics
1 answer:
Agata [3.3K]3 years ago
4 0
My answer to this question is 337
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C=2(3.14)r; c=14(3.14) solve for r
tekilochka [14]

Answer:

c=2(3.14)r

given c=14(3.14), then r

make r the subject formula and substitute given c=14(3.14)

r=c/2(3.14)

r=14(3.14)/2(3.14)

r=7

Step-by-step explanation:

7 0
3 years ago
Diagram of x+3 and of 2x when x is 2
Naya [18.7K]

Answer:

5 and 4

Step-by-step explanation:

So if, x equals 2 then all you do is turn the x into a 2.

So you rewrite the equation into,

2 + 3 and 2 x 2,

Which would be 5 and 4

Hope this helps!

7 0
3 years ago
Working alone, it would take Shandra 45 minutes to mow the lawn. To mow the same lawn, also working alone, it would take Kelly 1
Nadusha1986 [10]

Given: Shandra can do the complete work in 45 minutes.

So, Shandra's 1-minute work = 1 / 45  and

Kelly can do the same complete work in 1 hour and 15 minutes = 75 minutes.

So, Kelly's 1-minute work = 1 / 75

Now, we shall calculate Shandra's and Kelly's 1-minute work

By both 1 minute work = (1/45) + (1 / 75) = 8 / 225

∵ 8 /225 Parts can be completed by both = in 1 minute

∴ Complete work (1) can be completed by both = 225 / 8 minutes

or,                                                                           = in 28 minutes and 7.5 second

Hence, the assumption taken by both was incorrect.

The best described time will be 28 minutes and 8 seconds.  

5 0
3 years ago
Read 2 more answers
Which of the following relations is a function?
ale4655 [162]

Answer:

{(5, –4), (–4, 5), (–5, 4), (4, –5)}

5 0
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x = 4y - 2 x - 3y = 6 If you were going to solve this equation by substitution, what would your first step look like? A) x - 4y
Paha777 [63]

Answer:

B

Step-by-step explanation:

B

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