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KengaRu [80]
2 years ago
9

Sophia has 7m of ribbon to help decorate a room. She will cut pieces of a ribbon that are each r inches long. (1in = 2.54cm)

Mathematics
1 answer:
m_a_m_a [10]2 years ago
6 0
I’m pretty sure it’s, D, if not, it’s C, I haven’t done this in a few years so correct me if I’m wrong, but I’m more sure it’s D.
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Evaluate 8a+3b-10+c^28a+3b−10+c ​2 ​​ 8, a, plus, 3, b, minus, 10, plus, c, start superscript, 2, end superscript when a=2a=2a,
ohaa [14]

Answer:

The given expression  8a+3b-10+c^2 at a = 2 , b = 5 and c = 4  is 37.

Step-by-step explanation:

Given : expression 8a+3b-10+c^2

We have to evaluate the given expression  8a+3b-10+c^2 at a = 2 , b = 5 and c = 4

Consider the given expression  8a+3b-10+c^2

Substitute, a = 2 , b= 5 and c = 4

We have,

=8(2)+3(5)-10+(4)^2

Simplify, we have,

=16+13-10+16

We get,

= 37

So,  The given expression  a+3b-10+c^2 at a = 2 , b = 5 and c = 4  is 37.

4 0
3 years ago
If 5 adult movie tickets cost $25, how much do 11 tickets cost?
kaheart [24]

Answer:

$55

Step-by-step explanation:

5 tickets = $25

1 ticket = $5 (divide by 5 on both sides)

multiply by 11

11 tickets = 5 ×11

11 tickets = $55

8 0
2 years ago
The perimeter of rectangle living room is 40 m the living room is 10 m wide what is the length of the living room
Yuri [45]

Answer:

Width of the room = 5 meters

Step-by-step explanation:

the rectangular living room is calculated as length * width

The area is given to be equal to 40 sq. meters (area = 40 sq. meters)

Let the width = x meters

Length = X+3 meters

Area = Length * Width

40 = X * (X+3)

40 = X^2 + 3X

We solve this quadratic equation

So x = 5 or x= -8

Width  cannot be negative, so we reject x =-8

So x = 5 is the answer

8 0
2 years ago
Paloma is buying bottles of bubbles for a group of children. Each bottle of bubbles costs $2.00. After the cost of a number of b
jonny [76]

Answer:

The final pricing is 2.10

Step-by-step explanation:

B=P/R

B=2.00/5%

0.1+2.00=2.10

7 0
3 years ago
Read 2 more answers
Given the two expressions shown below:
AlladinOne [14]
\sqrt3\ is\ irrational\\\\\sqrt2\ is\ irrational\\\\\sqrt6\ is\ irrational\\\\therefore\\\\A.\ \sqrt3+\sqrt2\ is\ irrational\ and\ B.\ \sqrt3+\sqrt6\ is\ irrational
Answer: Both are irrational.

3 0
3 years ago
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