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Liula [17]
3 years ago
7

Write down two expressions for the perimeter of this shape one with brackets and one without

Mathematics
1 answer:
dexar [7]3 years ago
8 0
The formula of a perimeter is:2(L+l) or 2*L+2*l
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I dont really understand this
galina1969 [7]

Answer:

1. a^-b

2.a^b/a^c

3.a^c/b^c

4 0
3 years ago
The ratio of the number of dolls Jacky had to the number of dolls Peter had was 5:2 but, after Jacky gave 15 dolls to Peter, the
sleet_krkn [62]

Answer:

70 dolls

Step-by-step explanation:

Hello!

The ratio is 5:2, which are division of  a whole. They can be represented as 5x and 2x.

Jacky has 5x dolls, and Peter has 2x dolls. They were equal after subtracting 15 dolls from 5x and adding them to 2x.

Equation:

  • 5x - 15 = 2x + 15

Solve:

  • 5x - 15 = 2x + 15
  • 5x - 30 = 2x
  • 5x = 2x + 30
  • 3x = 30
  • x = 10

So Jacky has 5(10) dolls, or 50 dolls, and Peter has 2(10) or 20 dolls.

The total sum is 70 dolls.

4 0
2 years ago
Read 2 more answers
The net of a solid figure is shown below: Four squares are shown side by side in a row. The second square has a square above it
Elis [28]
There are 6 squares so u multiply 6x3=18 is the total surface area

8 0
3 years ago
Can someone help me pls
Pepsi [2]

Answer:

jen

Step-by-step explanation:

Jordan's total number of sit-ups

20+24+28+32= 104

Jen's total number of sit-ups

40+48+56+62=208

divide Jen's sit-ups by Jordan's sit-ups

208/104=2

3 0
2 years ago
Can I get help on this please
ryzh [129]

Answer:

D.

Step-by-step explanation:

<FIL and <AIN are Vertical angles.

Vertical angles are always congruent.

Congruent means the same or equal.

8 0
3 years ago
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