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3 years ago

HELP PLEASE!

Mathematics

1 answer:

algol133 years ago

3 0

Step-by-step explanation:

5×4=20. 20×9=180

9×4=36. 36/9=4

180+4=184

answer=184

when a number is next to a letter it mean to multiply

and / means to divide

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Answer:

The right answer is "0.70".

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

Pls help its due at 11:10

arlik [135]

Answer:

firstly

we all know that the angles of a triangle they all add up to 180° meaning when you add them all they must give you 180°

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Step-by-step explanation:

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5 0

3 years ago

Calculate how much each size per gram, and circle which gives the best value for money. 250g for $2.30, 400g for &3.40, 1Kg

Bezzdna [24]

To do this, we must set up ratios:
Option One:
$\frac{2.30}{250g} \\ \frac{0.0092}{1g} \\ 0.0092/g$
The first options costs only $0.0092/gram (a fraction of a penny)!
Option Two:
$\frac{3.40}{400g} \\ \frac{0.0085}{1g} \\ 0.0085/g$
The second option costs only $0.0085/gram (cheaper than option one)!
Option Three:
This requires a little more work. First, we have to convert the grams into kilograms. For every 1 kg, there is 1,000 g. Therefore, 1,000g costs $5.65. Next, we set up the ratio as usual:
$\frac{5.65}{1000g} \\ \frac{0.00565}{1g} \\ 0.00565/g$
The third option costs $0.00565/gram.

Therefore, option three is the cheapest!

Hope this helps!

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3 years ago