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3 years ago

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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I need help and I’m marking as brainliest and if u do thank you Problem:

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:

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

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

Proved

4 0

3 years ago

Four fifths 4 5 x minus − 9 9 equals = 43 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.

4 0

3 years ago

Find the value of x: 5 + 2x = x - 3.

Bad White [126]

look at the attached picture

Hope it will be helpful to you

7 0

3 years ago

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