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3 years ago

Bob's can make 10 hamburgers in 3 minutes. How many

Mathematics

2 answers:

Bond [772]3 years ago

5 0

Answer:

Bob's can make one burger in 0.3 minutes, or 18 seconds.

Step-by-step explanation:

Bob's can make 10 hamburgers in 3 minutes. To determine how long it takes Bob's to make a single hamburger, we divide the 3 minutes by the 10 hamburgers.

3/10 = 0.3 minutes

It takes him 0.3 minutes to make one burger.

We could go further and convert this time to seconds. To do this, we multiply 0.3 minutes by 60 seconds.

0.3 ⋅ 60 = 18 seconds

Bob's can make one hamburger in 18 seconds.

slega [8]3 years ago

3 0

Answer:

3 minutes and 34 seconds

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Answer:

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2 years ago

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Order the weights of the donations from greatest to least. 4.3, 5.5 6 1/6, 15/4, 4 3/8

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3 years ago

If neither a nor b are equal to zero, which answer most accurately describes the product of (a + bi)(a - bi)?

Scrat [10]

Answer: the correct option is

(D) The imaginary part is zero.

Step-by-step explanation: Given that neither a nor b are equal to zero.

We are to select the correct statement that accurately describes the following product :

$P=(a+bi)(a-bi)~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)$

We will be using the following formula :

$(x+y)(x-y)=x^2-y^2.$

From product (i), we get

$P\\\\=(a+bi)(a-bi)\\\\=a^2-(bi)^2\\\\=a^2-b^2i^2\\\\=a^2-b^2\times (-1)~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~[\textup{since }i^2=-1]\\\\=a^2+b^2.$

So, there is no imaginary part in the given product.

Thus, the correct option is

(D) The imaginary part is zero.

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3 years ago

Please help me on this !!!! tysm

ss7ja [257]

Answer:

21.5?

the more i think the more i believe it

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3 years ago