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3 years ago

strawberries cost $2 per pound and gets 20% discount on the total cost. How much does Kate pay for the strawberries?

2 answers:

7 0

We need to calculate the rate Kate pays, not the actual amount.

If the normal price is $2/lb and there is a 20% discount, then Kate pays

($2/lb)(0.80) = $1.60/lb for the berries.

Ostrovityanka [42]3 years ago

4 0

2 x 0.20 = 0.40

2.00 - 0.40 = $1.60.

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Can someone help me please

8_murik_8 [283]

Answer:

$2x^2+4x+2$

Step-by-step explanation:

$(f \circ g)(x)=f(g(x)) \\ \\ =f(x+1) \\ \\ =2(x+1)^2 \\ \\ =2(x^2+2x+1) \\ \\ =2x^2+4x+2$

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1 year ago

Read 2 more answers

Twice the complement of an angle is 24 degrees less than its supplement. What is the measure of the angle?

Artyom0805 [142]

Answer:

2(90-x)=180-x-24

solve this

180-2x=156-x

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Hope it helps!

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3 years ago

Please help ASAP!

Kruka [31]

First, recall that

$\sin(-\theta)=-\sin\theta$

So if $\sin(-\theta)=\dfrac15$ , then $\sin\theta=-\dfrac15$ .

Second,

$\tan\theta=\dfrac{\sin\theta}{\cos\theta}$

We know that $\tan\theta>0$ and $\sin\theta$ , which means we should also have $\cos\theta$ .

Third,

$\sin^2\theta+\cos^2\theta=1\implies\cos\theta=\pm\sqrt{1-\sin^2\theta}$

but as we've already shown, we need to have $\cos\theta$ , so we pick the negative root.

Finally,

$\tan\theta=\dfrac{\sin\theta}{\cos\theta}\iff\dfrac6{\sqrt{12}}=\dfrac{-\frac15}{\cos\theta}\implies\cos\theta=-\dfrac1{5\sqrt3}$

Unfortunately, none of the given answers match, so perhaps I've misunderstood one of the given conditions... In any case, this answer should tell you everything you need to know to find the right solution from the given options.

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3 years ago

A sequence is defined recursively by the formula f(n + 1) = f(n) + 3 . The first term of the sequence is –4. What is the next te

Jet001 [13]

Answer:

Step-by-step explanation:

$f(1)=-4\\\\f(n+1)=f(n)+3-\text{the next term is 3 bigger than the previous one}\\\\f(2)=-4+3=-1$