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iVinArrow [24]
3 years ago
10

HeLPPP

Mathematics
2 answers:
sveta [45]3 years ago
7 0

Answer:

1/2 is the answer. i just took the quiz

Step-by-step explanation:

pochemuha3 years ago
5 0

Answer:

1/2 is may correct answer

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REY [17]

Answer:

80 pennies make 8 dimes

Step-by-step explanation:

10 pennies make a dime

10p=1d

Plug in 8 to each side

(10x8)=(1x8)

p         d

80=8d

6 0
3 years ago
Solve sin2theta=2sinthetacostheta​
pashok25 [27]

Answer:

\sin(2\theta) =2 \sin \theta \cos \theta proved

Step-by-step explanation:

Given

\sin2 \theta=2 \sin\theta cos\theta

Required

Prove

Proving from left to right.

\sin(2\theta) = \sin(\theta+\theta)

In trigonometry

\sin(A+B) = \sin A \cos B+\sin B \cos A

When this formula is applied to:\sin(2\theta) = \sin(\theta+\theta)

We have:

\sin(2\theta) = \sin \theta \cos \theta+\sin \theta \cos \theta

\sin(2\theta) =2 \sin \theta \cos \theta

<em>Proved</em>

4 0
3 years ago
Four fifths<br> 4<br> 5<br><br> x<br> minus<br> − <br> 9<br> 9 <br><br> equals<br> = <br> 43<br> 43
hoa [83]

Answer:

Step-by-step explanation:

Four fifths is equal to ten sixteenths of a number. ... Two thirds equals negative eight times a number. ... Three and two thirds times a number equals two ninths.

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3 years ago
Find the value of x: 5 + 2x = x - 3.
Bad White [126]

<em>l</em><em>ook</em><em> </em><em>at</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>picture</em>

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Read 2 more answers
I need help with this plsss 15 points pls!!
irina [24]

total stars/ 10 gives n no of questions correct so use above given formula

a 57= 10+10(57-1) gives 570

4 0
3 years ago
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