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4 years ago

15

tim ate four more cookies than Alice. Bob ate as many cookies as tim.If x represents the number of cookies Alice ate,which expre

ssion represents the number of cookies Bob ate

2 answers:

Andre45 [30]4 years ago

5 0

it's actually 2(x+4) in castle learning

Thepotemich [5.8K]4 years ago

3 0

X + 4, because Bob ate the same amount of cookies as Tim, and Tim ate 4 more cookies than Alice (x).

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Given that tan 0=-4/7 , and 270 degrees <0<360 degrees , what is the exact value of sec0?

Elanso [62]

I take it you meant θ angle, anyway.

we know the tan(θ) = -4/7... alrite, we also know that 270° < θ < 360°, which is another to say that θ is in the IV quadrant, where the adjacent side or "x" value is positive whilst the opposite side or "y" value is negative.

$\bf tan(\theta )=\cfrac{\stackrel{opposite}{-4}}{\stackrel{adjacent}{7}}\impliedby \textit{now let's find the \underline{hypotenuse}}
\\\\\\
\textit{using the pythagorean theorem}
\\\\
c^2=a^2+b^2\implies c=\sqrt{a^2+b^2}
\qquad 
\begin{cases}
c=hypotenuse\\
a=adjacent\\
b=opposite\\
\end{cases}
\\\\\\
c=\sqrt{7^2+(-4)^2}\implies \implies c=\sqrt{65}\\\\
-------------------------------\\\\
sec(\theta )=\cfrac{\stackrel{hypotenuse}{\sqrt{65}}}{\stackrel{adjacent}{7}}$

6 0

3 years ago

Consider the following 8 numbers, where one labelled x

zvonat [6]

Step-by-step explanation:

The range is the difference between the highest and lowest values in a set of numbers. To find it, subtract the lowest number in the distribution from the highest.

we see that the visible 7 numbers have a range of 50-17 = 33.

that means that x has to make sure that the range really is 69.

so, we have indeed 2 choices : x can be the lowest value (with a difference of 69 to the highest value, 50), or x can be the highest value (with a difference of 69 to the lowest value, 17).

x as the lowest value :

x = 50 - 69 = -19

x as the highest value :

x = 17 + 69 = 86

5 0

3 years ago

Find the value of x for which ABCD must be a parallelogram

Tamiku [17]

They are equal so...

15x+2 = 9x+20

15x-9x = 20-2

6x =18

x = 18/6 = 3

x = 3

6 0

3 years ago

Is this correct? If not whats the correct answer

Illusion [34]

Yes I took the test

4 0

3 years ago

Read 2 more answers

3241004551 [841]

(a)=940
(b)=1680
(c)=1950
(d)=4440

5 0

3 years ago