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almond37 [142]
3 years ago
7

Three times the sum of a number and seven is greater than five times the number less thirteen

Mathematics
1 answer:
Vlad [161]3 years ago
8 0
3x(d+7) < 5d-13 (I think it is
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Ashley bought 14 rainbow and balloon stickers for her little sister. The rainbow stickers cost 6 cents apiece and the balloon st
Morgarella [4.7K]

Answer:

Ashley bought 6 rainbow stickers and 8 balloon stickers for her little sister.

Step-by-step explanation:

Let the number of rainbow sticker be x and number of balloon stickers be y.

Cost a single rainbow sticker= 6 cents

Cost a single balloon sticker= 4 cents

Cost a single x rainbow sticker= 6 cents × x

Cost a single y balloon sticker= 4 cents × y

Total number of stickers bought = 14

x + y =14 ..[1]

Total money spend on stickers = 68 cents

6x cents+4y cents=68 cents

6x+4y=68...[2]

Putting value of from [1] into [2];

x = 14 - y

6(14-y)+ 4y=68

84-6y+4y=68

-2y=-16

y=\frac{-16}{-2}=8

x = 14 -y =14 - 8 = 6

Ashley bought 6 rainbow stickers and 8 balloon stickers for her little sister.

3 0
3 years ago
Use the distributive property to remove the parentheses.<br> -4(-6y + 2w-4)
olga_2 [115]

Answer: 24y - 8w + 16

Step-by-step explanation:

Basically to remove the parenthesis you just distribute the -4 outside of the parenthesi and you get 24y - 8w + 16.

4 0
3 years ago
Elizabeth is selling Jam at a farmers market and she earns $5 for each jar of jam that she sells​
Anna11 [10]
You need to elaborate more
6 0
3 years ago
What is y squared + 2 y - 35 / y + 7​
lutik1710 [3]

Answer:

y - 5

Step-by-step explanation:

Given

\frac{y^2+2y-35}{y+7}

Factorise the numerator

y² + 2y - 35 = (y + 7)(y - 5), thus fraction can be expressed as

\frac{(y+7)(y-5)}{y+7}

Cancel the factor (y + 7) on the numerator/ denominator, leaving

y - 5

5 0
3 years ago
Read 2 more answers
Two groups of tourists each have 60 people. If 3/4 of the first group and 2/3 of the second group board buses to travel to a mus
kobusy [5.1K]
We need to calculate 3/4 of Bus 1 and 2/3 of Bus 2. Then compare the two.

Bus 1:

60 * 3/4 = 45

Bus 2:

60 * 2/3 = 40

Thus,

45 - 40 = 5
6 0
3 years ago
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