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SIZIF [17.4K]
3 years ago
13

Can someone help on number 7 and 8 show work please aswell this is due tmr!

Mathematics
1 answer:
Pani-rosa [81]3 years ago
6 0

Answer:

In the picture

Step-by-step explanation:

For #8, make sure you combine the like terms on the parantheses due to PEMDAS, then distribute and solve for the variable.

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Mary buys a dress and a pair of shoes. Before adding the tax she pays $ 48 for the dress which normally sells for $ 62, and she
katovenus [111]
Hello! I can help you with this!

a. To find out how much Mary saved, we will have to subtract the sale price from the original price, and then add up the difference to find how much she saved. 62 - 48 is 14. 46 - 34 is 12. 14 + 12 = 26. Mary saved $26 by buying at the sale item price.

b. To find the amount of discount, we can write and solve a proportion, by setting it up like this: change/original = x/100. Change is the distance between two numbers and the original is the previous price. If you know about proportions, you cross multiply the values, and then divide each side by a number to isolate "x". If you solve each proportion correctly, here are your answers for each item:

Dress: ≈ 23% discount
Shoes: ≈ 26% discount

c. Okay. So when we add up the sales prices together, 48 + 34 is 82. In order to find the total amount with tax, we multiply the sale price, by (1 + r). In other words, add 1 to the rate in decimal form and multiply it by the total of the sales price. 82 * 106.5% (1.065) is 87.33. Mary paid a total of $87.33.
6 0
3 years ago
Two names for the angle formed by the dashed rays are? (I have to put down 3 letters)
Sphinxa [80]

Answer:

ZGK and DGS

Step-by-step explanation:

6 0
3 years ago
Please solve this for me!
Schach [20]

Answer:

<h3>D</h3>

Step-by-step explanation:


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3 years ago
Help me people u r my only hope!
Y_Kistochka [10]

Answer:

D)1/3 ?

Step-by-step explanation:

Maybe 1/3

Do some research, I guess it's D).

I hope that helps (:

1. The entire fraction is negative if the numerator or denominator are negative.

if both parts of the fraction were negative, the entire fraction would be positive (- / - = +)

2. Of course, although most teachers ask you to put the negative sign in the fraction as a whole (before the fraction line) or in the numerator. never leave a fraction with two signs. in this case, if it has two signs and they are different, the whole fraction is NEGATIVE

3) No. the whole fraction is POSITIVE only if both the numerator and the denominator have the same sign, + + or - -

8 0
4 years ago
Each of 4 tables at a party is set with a bowl of grapes. Each
andre [41]

Answer:

2.5

Step-by-step explanation:

youll have to multiply 4 times 5/8

8 0
3 years ago
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