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asambeis [7]
3 years ago
5

Please help me with i ii iii Step by step

Mathematics
2 answers:
viva [34]3 years ago
8 0
.3 (15x+9)/3
(15x/3)+(9/3)
5x+(9/3)
5x+3
1. 4(3x+2y)-5(3x+4y)
12x+8y-5(3x+4y)
12x+8y-15x-20y
-3x+8y-20y
-3x-12y
-3(x+4y)
2. 3k+3m-2-6k-3m-2n
-3k+3m-2-3m-2n
-3k-2n-2
UkoKoshka [18]3 years ago
7 0

(i) I used distributive property to get the x’s and y’s out of parentheses. I then combined like-terms to simplify until I could do no more. That is your final answer for (i) is -3x - 12y

(ii) This one is similar to the first one, just with no parentheses. I combined like terms again until not like terms were left. Your final answer for (ii) is -3k -2 -2n

(iii) I started by dividing 15 by 3 and got 5, and because the 15 had an x to it, you get 5x. I then moved onto the next term, 9. 9 divided by 3, to get 3. Your final answer for (iii) is 5x + 3

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The original price is 50. the discount is 15%. what is the new price
Fantom [35]
15% off
15% off of 50
notice that 50 is 1/2 of hundred
15% of 100 is 15
therefor
15% of 50 is 15/2=7.5

that is discount
50-7.5=42.5

new price=$42.5
5 0
3 years ago
Rewrite the expression...see attached picture....
USPshnik [31]
Yes you should use the first choice
7 0
3 years ago
Read 2 more answers
1 15/100 + 1/50 +1.175=
grin007 [14]

1\frac{15}{100}+\frac{1}{50}+1.175 =\frac{115}{100}+\frac{1}{50}+1.175 =\frac{23}{20}+\frac{1}{50}+1.175 =\frac{115}{100}+\frac{2}{100} =\frac{115}{100}+\frac{2}{100} =\frac{115+2}{100}  =1.175+\frac{117}{100} =1.175+1.17  =2.345

<h3><em>You can write </em>2.345<em> or </em>2\frac{69}{200}<em></em></h3><h3><em></em></h3><h3><em>Hope I helped you!</em></h3><h3><em>Success!</em></h3>
6 0
3 years ago
Tasha spent 55 hours in 2 weeks working on a science project. She worked 32 hours the first week. Write and solve an addition eq
blondinia [14]

Answer:

55 = 32 + x

55-32 = x

x =23

3 0
3 years ago
Suzie's Nursery is having a sale on two kinds of plants, venus fly traps and bonsai trees.
ANTONII [103]

Answer:

Venus fly trap = 12

Bonsai tree = 17

Step-by-step explanation:

Given that :

Venus fly trap = $3per plant

Bonsai tree = $5 per plant

Number of plants sold = 29

Total cost of plant sold = $121

Let venus fly trap = x ; bonsai tree =y

x + y = 29 ___ (1)

3x + 5y = 121 ____(2)

From (1) :

x = 29 - y

In (2):

3(29 - y) + 5y = 121

87 - 3y + 5y = 121

87 + 2y = 121

2y = 121 - 87

2y = 34

y = 34/2

y = 17

x = 29 - 17

x = 12

Hence,

Venus fly trap = 12

Bonsai tree = 17

7 0
3 years ago
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