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3 years ago

A bow is made from 30cm of ribbon. How many can be made from 8.4m of ribbon and is there any left over?

Mathematics

2 answers:

Hitman42 [59]3 years ago

4 0

Answer:

you can make 28 bows with no left overz

Alex3 years ago

4 0

Answer:

There can be 28 ribbons made from 8.4 m and there will be no more left.

Step-by-step explanation:

1m = 100 cm

8.4m = 840 cm

840cm divided by 30cm

= 28

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The graph plots four equations, A, B, C, and D: Line A joins ordered pair negative 6, 16 and 9, negative 4. Line B joins ordered

Margaret [11]

Answer:

The pair of equations which has (2,12) as its solution is,

equation B and equation C.

Step-by-step explanation:

According to the question,

equation of line A is $\frac {y - 16}{x + 6} = \frac {16 + 4}{-6 - 9}$

or, $\frac {y - 16}{x + 6} = \frac {-4}{3}$

or, $3y - 48 = -4x - 24$

or, 3y + 4x = 24 ------------------(1)

Now, the point (2, 12) doesn't satisfy (1). Hence, (2,12) is not a solution for the line A.

Equation of line B is, $\frac {y - 20}{x + 2} = \frac {20 - 0}{-2 - 8}$

or, $\frac {y - 20}{x + 2} = -2$

or, $y - 20 = -2x - 4$

or, y + 2x = 16 -----------------------------(2)

The point (2,12) is satisfied by (2). Hence, (2, 12) is a solution for line B.

Equation of line C is, $\frac {y + 6}{x + 7} = \frac {20 + 6}{6 + 7}$

or, $\frac {y + 6}{x + 7} = 2$

or, y + 6 = 2x + 14

or. y - 2x = 8 -----------------------------------(3)

The point (2, 12) is satisfied by (3). Hence, (2 , 12) is a solution for the line C.

Equation of line D is, $\frac {y - 20}{x - 7} =\frac {20 + 7}{7 - 0}$

or, $\frac {y - 20}{x - 7} = \frac {27}{7}$

or, 7y - 140 = 27x - 189

or, 7y - 27x = -49----------------------------------------(4)

The point (2, 12) is not satisfied by (4). hence, (2, 12) is not a solution of the line D

Hence, the pair of equations which has (2,12) as its solution is,

equation B and equation C.

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4 years ago

SIMPLE PROBABILITY- What is the probability of the following situations: 1. Rolling a 7 on a 6 sided number cube 2. Spinning a n

vampirchik [111]

Answer:

1. 0

2.2/8

3.7/14

4.13/52

Step-by-step explanation:

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3 years ago

Karen received a $80 gift card for a coffee store. She used it in buying some coffee that cost $8.23 per pound. After buying the

aleksandrvk [35]

Answer:

Step-by-step explanation:

80 - 47.08 = 32.92

32.92/8.23 = 4

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3 years ago

Read 2 more answers

Textbook search committee is considering 13 bucks for possible adoption committee has decided to select six of the 13 for furthe

Pani-rosa [81]

Here is a simple way we can do this.
We have six blanks.
__ __ __ __ __ __

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13 __ __ __ __ __

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Now we have 10 possible options for blank number four.
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And so forth until we get:
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Now we just have to multiply the numbers all together.
13 * 12 * 11 * 10 * 9 * 8
is equal to:
1235520 ways.

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3 years ago

Find the perimeter of the polygon round your answer to the nearest tenth.

Volgvan

The correct answer is 39 units.Parameter is the
sum of the lengths of all sides of a polygon.
The sides of the polygon are PT, TS, SR, RQ,
and QP.

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2 years ago