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prohojiy [21]
3 years ago
14

Sally needs 2 1/4 cups of flour to make her cake. She has 1 3/8 cups of flour. How much flour will she need to borrow to have en

ough to bake her cake?
Mathematics
2 answers:
hammer [34]3 years ago
6 0
7/8 of a cup more, or 0.875 more cups
den301095 [7]3 years ago
6 0
She would need 7/8 cups more to bake her cake.
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AVprozaik [17]

Answer:

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Step-by-step explanation:

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3 0
2 years ago
CosA.cos2A.cos4A=sin8A/8sinA​
alexgriva [62]

I assume you're supposed to establish the identity,

cos(A) cos(2A) cos(4A) = 1/8 sin(8A) / sin(A)

Recall the double angle identity for sine:

sin(2<em>x</em>) = 2 sin(<em>x</em>) cos(<em>x</em>)

Then you have

sin(8A) = 2 sin(4A) cos(4A)

sin(8A) = 4 sin(2A) cos(2A) cos(4A)

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==>   sin(8A)/(8 sin(A)) = cos(A) cos(2A) cos(4A)

as required.

3 0
3 years ago
I really need help:)))
vovikov84 [41]

Answer:

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Step-by-step explanation:

You can do 1 - 0.015 to solve this problem.

1 - 0.015 = 0.985

Hope that helps!

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2 years ago
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Step-by-step explanation:

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3 years ago
an equation for loudness L, in decibels, is L= 10 log R, where R is the relative intensity of the sound. solve 120= 10 log R to
andrew-mc [135]

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