How can estimating be helpful

1 answer:

6 0

It helps you narrow down to a smaller answer for example there is pi, (3.14159265359) and there is more and more to that number. It is now estimated to 3.14 because it would be almost impossible to work with pi if it wasn't estimated

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Clara has $67 in her piggy bank. She spent x dollars on a dog bowl and now has $57.4 remains.

kolezko [41]

Answer:

B) 57.4+x=67

Step-by-step explanation:

We take the amount in the piggy bank. Then we take the amount spent and add it to the amount she has left. These two amounts should be equal

piggy bank = spent + left

67 = x + 57.40

6 0

3 years ago

Simplify the following expression:<br><br> 48⋅47

xxTIMURxx [149]

Answer:

2256

Step-by-step explanation:

you simply multiply the two together

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3 years ago

Jemina has 4 dogs, 8 cats and 12 fish as pets at her house.

eduard

Answer:

8:16

Step-by-step explanation:

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2 years ago

Fiona Follies is a small bakery that sells cupcakes and muffins. A cupcake sells for $3 and a muffin sells for $2. When all rela

Elan Coil [88]

Note that fiona cannot sell decimal number of cupcakes or muffins. That's why the options A and D are false.

Consider all remaining options:

B. 40 cupcakes and 80 muffins will cost $(40·3+80·2)=$(120+160)=$280, but Fiona Follies sold at least $300 worth of cupcakes and muffins. Thus, this option is false.

C. 60 cupcakes and 70 muffins will cost $(60·3+70·2)=$(180+140)=$320. Now consider expenses. $(60·0.75+70·0.5)=$(45+35)=$80. This option is true.

E. 80 cupcakes and 80 muffins will cost $(80·3+80·2)=$(240+160)=$400. Now consider expenses. $(80·0.75+80·0.5)=$(60+40)=$100 (exactly $100). This option is true.

Answer: correct options are C and E.

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3 years ago

Write 5/10 in 3 equivalent forms

son4ous [18]

5/10 in 3 equivalent forms is: 1/2 2/4 4/8

7 0

2 years ago