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3 years ago

Need Help ASAP!!!!!!!!!!!!!

Mathematics

2 answers:

Nonamiya [84]3 years ago

7 0

A. the end of the equation is a set amount because there is no exponent with it, so the answer would be 11.32

B) replace x with 10 and solve the equation:

y = 1.84(10) +11.32 = 18.40 + 11.32 = $29.72

C) The number with the exponent would be the increase per hour, the answer would be $1.84

Ratling [72]3 years ago

5 0

Answer:

Step-by-step explanation:

ok so first thing you have to do is

Government

Exit Question #1

Three of the thirteen Original Colonies/States refused to sign the Constitution

because it did not containThe Bill of Rights. They believed the Constitution

needed to hav e people’s rights spelled out. Which of the Bill of Rights that they

insisted upon is the most significant to you and why? Please name which one and 3x4/12=a

write a significant paragraph explaining why (10 points).

oh yeah and you have to call me later 248-409-1951³√ω

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Step-by-step explanation:

$1 + (-8) = 1 - 8 = -7$

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3 years ago

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The distance on a map between Lynwood and Forest Hill is 3.75 inches. According to the map key, 0.25 inch on the map is equivale

Volgvan

Answer:

15 miles

Step-by-step explanation:

To find the actual distance in miles between Lynwood and Forest Hill, we can use a rule of three:

If 0.25 inch on the map is equivalent to 1 mile, then 3.75 inch on the map is equivalent to what distance:

0.25 inch -> 1 mile

3.75 inch -> X miles

0.25/3.75 = 1/X

X = 3.75/0.25 = 15 miles

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7 0

3 years ago

Use the formula for the cosine of the difference of two angles to find the exact value of the following expression.

Zolol [24]

Answer:

Exact value of Cos(45° - 60°) is 0.96 using difference of two angles.

Step-by-step explanation:

Given:

Cos(45° - 60°)

We have to apply the formula of cosine for difference of the two angles.

Formula:

$cos(a-b)=cos(a)\ cos(b)+sin(a)\ sin(b)$

Plugging the values.

⇒ $cos(45-60)=cos(45)\ cos(60) + sin(45)\ sin(60)$

We know that the values :

$sin(45) =cos(45) = \frac{1}{\sqrt{2} }$

$sin(60)=\frac{\sqrt{3} }{2}$ and $cos(60)=\frac{1}{2}$

So,

⇒ $cos(45-60)=(\frac{1}{\sqrt{2} } \times \frac{1}{2} ) + (\frac{1}{\sqrt{2} } \times \frac{\sqrt{3} }{2})$

⇒ $cos(45-60)=(\frac{1}{2\sqrt{2} } + \frac{\sqrt{3} }{2\sqrt{2} })$

⇒ $cos(45-60)=(\frac{1+\sqrt{3} }{2\sqrt{2} } )$

⇒ $cos(45-60)=(\frac{1+\sqrt{3} }{2\sqrt{2} } )\times \frac{2\sqrt{2} }{2\sqrt{2} }$ ...rationalizing

⇒ $cos(45-60)=\frac{2\sqrt{2} +2\sqrt{6} }{ 8}$

⇒ $cos(45-60)=\frac{2(\sqrt{2}+\sqrt{6})}{8}$ ...taking 2 as a common factor

⇒ $cos(45-60)=\frac{(\sqrt{2}+\sqrt{6})}{4}$

To find the exact values we have to put the values of sq-rt .

As, $\sqrt{2}=1.41$ and $\sqrt{6} =2.44$

Then

⇒ $cos(45-60)=\frac{( 1.41+2.44)}{4}$

⇒ $cos(45-60)=\frac{( 3.85)}{4}$

⇒ $cos(45-60)=0.96$

So the exact value of Cos(45° - 60°) is 0.96 using difference of two angles.

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3 years ago

Domain of (x-6)/(square root of x^2+2x-15)

ki77a [65]

Answer:

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2 years ago