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2 years ago

Shannon wants to buy 4 coffee mugs for the lowest amount.a set of 4 mugs costs £12

Mathematics

1 answer:

Lelu [443]2 years ago

7 0

i can help, but you need to write the whole question..

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K(a)= 4a-4, Find k(-9)

FromTheMoon [43]

We simply replace a with -9

k(-9) = 4 * -9 - 4

k(-9) = -40

5 0

2 years ago

Which is the diameter of a rectangle whose circumference is 13653 cm and one side is 5431 cm

leonid [27]

Answer:

See below

Step-by-step explanation:

If by circumference you meant perimeter and diameter you mean length, then here is my answer.

Perimeter = 2L+ 2W

13653= 2*L + 2*5431

13653= 2L + 10862 Subtract 10862 from both sides

2791= 2L Divide by 2

L= 1395.5

The diameter is 1395.5

6 0

3 years ago

Anyone for a brainly help me out

stiv31 [10]

Answer:

y<x+1

Step-by-step explanation:

desmos graphing calculator

4 0

2 years ago

Read 2 more answers

Please someone help me...

laiz [17]

Step-by-step explanation:

First factor out the negative sign from the expression and reorder the terms

That's

$\frac{1}{ - (( \tan(2A) - \tan(6A) )} - \frac{1}{ \cot(6A) - \cot(2A) }$

<u>Using trigonometric </u><u>identities</u>

That's

<u>Rewrite the expression</u>

That's

$\frac{1}{ - (( \tan(2A) - \tan(6A) )} - \frac{1}{ \frac{1}{ \tan(6A) } } - \frac{1}{ \frac{1}{ \tan(2A) } }$

We have

<u>Rewrite the second fraction</u>

That's

Since they have the same denominator we can write the fraction as

$- \frac{1 + \tan(6A) \tan(2A) }{ \tan(2A) - \tan(6A) }$

Using the identity

<u>Rewrite the expression</u>

We have

<u>Using the trigonometric identity</u>

<u>Rewrite the expression</u>

That's

Which is

<u>Using the trigonometric identity</u>

Rewrite the expression

That's

<u>Simplify the expression using symmetry of trigonometric functions</u>

That's

<u>Remove the parenthesis </u>

We have the final answer as

As proven

Hope this helps you

6 0

3 years ago

Read 2 more answers

Please answer all 3 parts it would help me a lot! (I WILL MARK BRAINLIEST I REALLY NEED THIS ANSWER PLEASE!)

kap26 [50]

Answer:

I’m not sure on b and c but did a for u

Step-by-step explanation:

A) the more the workers are working the more the products are made. This is because if 10 workers make 52 products and 90 people make 452 then 100 people can make 502 products.

5 0

2 years ago