2 years ago

How many more pieces did the 40 pound pumpkin smash into than the 30 pound pumpkin

1 answer:

7 0

Im pretty sure it would be 10??? if you are putting it as a subtraction problem if not i would try wording it more clearly

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Find the product of z1 and z2, where z1 = 7(cos 40° + i sin 40°) and z2 = 6(cos 145° + i sin 145°).

Oduvanchick [21]

For two complex numbers $z_1=re^{i\theta}=r(\cos\theta+i\sin\theta)$ and $z_2=se^{i\varphi}=s(\cos\varphi+i\sin\varphi)$ , the product is

$z_1z_2=rse^{i(\theta+\varphi)}=rs(\cos(\theta+\varphi)+i\sin(\theta+\varphi))$

That is, you multiply the moduli and add the arguments. You have $z_1=7e^{i40^\circ}$ and $z_2=6e^{i145^\circ}$ , so the product is

$z_1z_2=7\times6(\cos(40^\circ+145^\circ)+i\sin(40^\circ+145^\circ)=42(\cos185^\circ+i\sin185^\circ)=42e^{i185^\circ}$

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2 years ago

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X²=169 extracting square root

ryzh [129]

Answer:

x = ± 13

Step-by-step explanation:

Given

x² = 169 ( take the square root of both sides )

x = ± $\sqrt{169}$ = ± 13

Since 13 × 13 = 169 and - 13× - 13 = 169

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3 years ago

Are 6/12 and 3/4 equivalent fractions?

anastassius [24]

No they are not! If you multiply 3/4 times 4 to get the denominator as 12, you would get 9/12 which is not equivalent

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2 years ago

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What is the correct 3 syllables on this words, decorate, temperature, equation, vertical?

Rzqust [24]

If you're asking what I think you are,
Decorate, Equation, and Vertical has 3 syllables.
Temperature has 4 syllables - <span>tem-per-a-ture</span>

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3 years ago

At Laurita's Bakery,3/5 of the baked goods are pies, and the rest are cakes. 1/3of the pies are coconut pies. What fraction of a

Lubov Fominskaja [6]

Answer: this is what i know

At Laurita's bakery 3/5 of the baked goods are pies and the rest are cakes. 1/3 of the pies are coconut. 1/6 of the cakes are angel-food. What fraction of all of the baked goods at Laurita's Bakery are coconut? What fraction of all the baked goods at . asked by Cathy on March 6, 2017;

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2 years ago