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trasher [3.6K]
4 years ago
6

UGHHHH PLZ HELP !!!hate usa test prep

Mathematics
2 answers:
zloy xaker [14]4 years ago
8 0
The answer is 1 computer/8 students
Gnom [1K]4 years ago
7 0
1computer/8students because 72/9=8
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A: 1/2
S_A_V [24]

A= -2

B= Y-1= -1/2 (X-3)

7 0
3 years ago
Read 2 more answers
What is 5/8 + 3/4 because I am doing fractions right know
pantera1 [17]
\frac{5}{8} +  \frac{3}{4} = 


So,  
\frac{5}{8} +  \frac{3}{4} * \frac{2}{2}  =  \frac{5}{8} +  \frac{6}{8} =  \frac{11}{8}

Simplified as mixed number equals to 1 \frac{3}{8}

(Keep in mind that the LCM was 8.)
4 0
3 years ago
Read 2 more answers
Find the angle between the given vectors to the nearest tenth of a degree.
saul85 [17]

Answer:

A

Step-by-step explanation:

Given

u = <6, -1>

u = 6i-j

and

v=<7,-4>

v=7i-4j

The formula for angle is:

Let x be the angle

cos\ x = \frac{u.v}{||u||.||v||}

where ||u|| is the length and u.v is the dot product or scalar product of both vectors

So,

||u|| = \sqrt{(6)^2+(-1)^2}\\ = \sqrt{36+1}\\ = \sqrt{37}\\ ||v||=\sqrt{(7)^2+(-4)^2}\\ = \sqrt{49+16}\\ = \sqrt{65}\\

u.v = u_1u_2+v_1v_2\\= (6)(7)+(-1)(-4)\\=42+4\\=46

cos\ x=\frac{46}{\sqrt{37}\sqrt{65}} \\= \frac{46}{\sqrt{2405} }\\Can\ also\ be\ written\ as:\\= \frac{46}{\sqrt{2405} } * \frac{\sqrt{2405} }{\sqrt{2405}} \\=\frac{46\sqrt{2405} }{2405}

The calculated angle will be in radians. To find the angle in degrees:

x = \frac{180}{\pi} cos^{-1} (\frac{46\sqrt{2405} }{2405})\\x = 20.282\\x= 20.3\\

Hence Option A is correct ..

6 0
4 years ago
When six basketball players are about to have a​ free-throw competition, they often draw names out of a hat to randomly select t
STatiana [176]

Answer as a fraction = 1/720

Answer in decimal form (approximate) = 0.001388

Answer in percent form (approximate) = 0.1388%

========================================================

Explanation:

Let A = 1 to indicate the number of ways to get the names to line up in alphabetical order.

There are B = 6*5*4*3*2*1 = 720 different ways to arrange the six people. Notice how I started at 6 and counted my way down to 1, multiplying all along the way. This can be shortened to factorial notation to say 6! = 720. Or you could use the nPr permutation formula to get the same result (use n = 6 and r = 6).

Once you have the values of A and B, we form the fraction A/B = 1/720 which is the probability of getting the names in alphabetical order.

If you need the answer in decimal form, then use your calculator to find

1/720 = 0.001388

which converts over to 0.1388%

4 0
3 years ago
Use the given graph to determine the limit, if it exists. (4 points)
Inessa [10]

Limit of x approaches two from the left of f of x: 3. Limit of x approaches two from the right of f of x: - 1 (negative 1)

<h3>How to find the value of the function as x approaches infinity (+ve or -ve)?</h3>

If limits exist, we can take limits of the function, where x tends to -∞ or ∞, and that limiting value will be the value the function will approach.

In order to find the limit as x approaches two from the left of f of x:

Lim x→2- f(x) = ?

According to the graph, when x approaches two from the left (x<2), the function approaches 3:

Lim x→2- f(x) = 3

IN order to find the limit as x approaches two from the right of f of x:

Lim x→2+ f(x) = ?

According to the graph, when x approaches two from the right (x>3), the function approaches -1:

Lim x→2+ f(x) = - 1

Learn more about one-sided limits here:

brainly.com/question/23625942

#SPJ1

4 0
2 years ago
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