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3 years ago

Plz help me I am freaking out

Mathematics

1 answer:

DanielleElmas [232]3 years ago

8 0

Answer:

Wanchen has the weaker flavor, no need to freak out.

Step-by-step explanation:

2/3 water for 1/6 lime juice so more water and less lime juice compared to 1/4 water for 1/5 cup of lime juice

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HELP PLEASE 30 POINTS! WILL MARK BRAINLIEST IF CORRECT!!!!!

KATRIN_1 [288]

Answer:

See Below.

Step-by-step explanation:

We want to verify:

$\cos(x-y)-\cos(x+y)=2\sin(x)\sin(y)$

We will utilize the following identities:

$\cos(x-y)=\cos(x)\cos(y)+\sin(x)\sin(y)$

And:

$\cos(x+y)=\cos(x)\cos(y)-\sin(x)\sin(y)$

So, by substitution, we acquire:

$(\cos(x)\cos(y)+\sin(x)\sin(y))-(\cos(x)\cos(y)-\sin(x)\sin(y))=2\sin(x)\sin(y)$

Distribute:

$\cos(x)\cos(y)+\sin(x)\sin(y)-\cos(x)\cos(y)+\sin(x)\sin(y)=2\sin(x)\sin(y)$

The first and third term will cancel:

$\sin(x)\sin(y)+\sin(x)\sin(y)=2\sin(x)\sin(y)$

Combine like terms:

$2\sin(x)\sin(y)\stackrel{\checkmark}{=}2\sin(x)\sin(y)$

5 0

2 years ago

Read 2 more answers

Translate into an algebraic expressions: b is decreased by 40% and decreased again by 40% . What is the result ?

Vikki [24]

Answer:

b-4/5b

Step-by-step explanation:

b is decreased by 80%

dat is 80/100×b

= b-80/100b

b-4/5b

5 0

2 years ago

Which of the following represents a geometric series (remember what a series is as opposed to a sequence)?

juin [17]

Answer:

4 + 12 + 36 + ...

Step-by-step explanation:

4, 12, 36, ... is a geometric sequence, it has a common ratio of $r=\frac{36}{12}=\frac{12}{4}=3$

When we add the terms of a geometric sequence we get a geometric series.

4+12+36+ ... is a geometric series, it has a common ratio of $r=\frac{36}{12}=\frac{12}{4}=3$

4 + 12 + 20 + ... is not a geometric series because it has no common ratio

$\frac{20}{12}\ne \frac{12}{4}$

The second choice is correct

8 0

3 years ago

Which pair of angles are alternate exterior angles ?

Citrus2011 [14]

8 and 1 are alternate exterior angles.

8 0

2 years ago

Read 2 more answers

Dan has 4 groups of 10 and 3 left over.

Alexxx [7]

Is there anything else? Like what is the question asking?

3 0

3 years ago