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Maurinko [17]
3 years ago
14

) You travel 220 km on 20 litres of petrol. How many km per litre?​

Mathematics
1 answer:
spayn [35]3 years ago
6 0

Answer:

220km per 20litre, so 220/20 to get 11km/litre

Step-by-step explanation:

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4 2/3 ÷ 5 6/9=? <br> 5 4/9 × 6 7/9=?
klio [65]

Answer:

1: 14/17

2:

Step-by-step explanation:

1:

4 2/3 ÷ 5 6/9 =

14/3 ÷ 51/9 =

14/3 • 9/51 =

14/1 • 3/51 =

42/51 =

14/17

2:

5 4/9 • 6 7/9 =

49/9 • 61/9 =

fraction: 2989/81  or mixed number: 36 73/81

Hopefully that is what you wanted!

7 0
3 years ago
A 3 foot wide brick sidewalk is laid around a rectangular swimming pool. The outside edge of the sidewalk measures 30 feet by 40
ipn [44]

Answer with Step-by-step explanation:

A 3 foot wide brick sidewalk is laid around a rectangular swimming pool.

The outside edge of the sidewalk measures 30 feet by 40 feet.

Length of swimming pool=(30-3-3) feet

                                          =24 feet

Breath of swimming pool=(40-3-3) feet

                                         = 34 feet

Perimeter of swimming pool=2(24+34) feet

(since perimeter of rectangle=2(l+b) where l is the length and b is the breath of the rectangle)

Perimeter of swimming pool=116 feet

Hence, Perimeter of swimming pool is:

116 feet

7 0
3 years ago
Sorry but it's a rly bad picture I rly need this I'm so confused
son4ous [18]
2x+1=9
Your going to always try to leave the x variable alone.
2x+1=9
    -1  -1
2x=8
/2  /2
x=4
5 0
2 years ago
Type the correct answer in each box use numerals instead of words if nessasary us /for fractions subtract write your amswer in s
exis [7]

The simplest form of the given expression 3\frac{11}{12} - 1\frac{4}{12} is \frac{31}{12}

<u>Solution:</u>

Given, expression is 3 11/12 – 1 4/12 \rightarrow 3 \frac{11}{12}-1 \frac{4}{12}

We have to find the simplest form of the value derived from the given expression.

Now, first let us solve the given equation.

3 \frac{11}{12}-1 \frac{4}{12}

converting mixed fractions to improper fractions.

=\frac{3 \times 12+11}{12}-\frac{1 \times 12+4}{12}

\frac{36+11}{12}-\frac{12+4}{12}=\frac{47}{12}-\frac{16}{12}=\frac{47-16}{12}=\frac{31}{12}

As there are no common terms to cancel it is in lowest form.

Hence, the lowest form of the given expression is \frac{31}{12}

3 0
2 years ago
What is the volume of this sphere?
aev [14]

Answer:

choice 3) 11,488.21 cm³

Step-by-step explanation:

r= 28/2 = 14

volume = 4/3πr3 = 4/3(3.14)(14³) = 11,488.21 cm³

5 0
2 years ago
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