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2 years ago

Some instructions for the time it takes to roast a turkey are: allow 20 minutes for every 450g

Mathematics

1 answer:

artcher [175]2 years ago

3 0

Answer:

4 hours and 40 minutes

Step-by-step explanation:

450g = kg

450g = 0.45 kg

We will use ratios:

$\frac{20}{0.45} =\frac{x}{6.3} \\\\0.45x=126\\x=280$

280 mins =

4 hours and 40 minutes

4(60) + 40

240 + 40

280

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Aiyanah made 12 withdrawals of $175.25 each from her bank account. Then she made 17 deposits of $235.66 to her same account that

Nonamiya [84]

Answer:

The overall change is $1903.22

Step-by-step explanation:

Let us approach this problem step wise

1.Firstly let us calculate all 12 withdrawal of $175.25

12*$175.25= $2103

2. Let us calculate all the deposits made 17* $235.66 = $4006.22

With these figures we can calculate the overall changes as

= $4006.22-$2103= $1903.22

3 0

3 years ago

What is the least common multiple of 6, 16, and 24?

Andreas93 [3]

The answer is 48, because 6*8=48, 16*3 = 48, 24*2 = 48.

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3 years ago

What is the area of triangle DEF

kolezko [41]

Answer:

76.5 cm²

Step-by-step explanation:

Given the triangles are similar , then

ratio of sides = a : b , so

ratio of areas = a² : b²

Here ratio of sides = 9 : 13.5 = 2 : 3

ratio of areas = 2² : 3² = 4 : 9

let x be the area of Δ DEF and using proportion

$\frac{4}{34}$ = $\frac{9}{x}$ ( cross- multiply )

4x = 306 ( divide both sides by 4 )

x = 76.5

The area of Δ DEF = 76.5 cm²

3 0

3 years ago

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juin [17]

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Step-by-step explanation:

3 0

3 years ago

Simplify this expression <br> Thank you :)

Anna11 [10]

Im not entirely sure but i got 3x^2y

6 0

3 years ago