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3 years ago

X+y/3 =5 solve for x

Mathematics

1 answer:

muminat3 years ago

6 0

X+y/3=5

equals x+y=15 because of the division sign "/"

equals 14.5+14.5=15

x=14.5

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tekilochka [14]

The slope of a linear regression is the rate of change of the line of the best fit

The interpretation of the slope is that the wait time per staff is 1.62 minutes
The slope value is realistic

The linear regression is given as:

y = -1.62x + 18

Where

y represents the wait time
x represents the number of staff

Using the above representations, the slope means that the wait time per staff is 1.62 minutes

Also, the slope value is realistic because time can be measured in decimals

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Answer:

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Step-by-step explanation:

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3 years ago

Distance between points 3,3 and 5,7?

ohaa [14]

Answer: d = 4√5 or 4.47

Step-by-step explanation:

To find the distance of two-point, we can use the distance formula:

$d=\sqrt{(x_{2} -x_{1} )^2 +(y_{2} -y_{1} )^2}\\\\d=\sqrt{(5 -3 )^2+ (7 -3)^2}\\\\d=\sqrt{(2)^2+ (4)^2}\\\\d=\sqrt{4+16}\\\\d=\sqrt{20}\\\\d = \sqrt{4*5}\\\\\\d = 4\sqrt{5}\\\\\\$ or d ≈ 4.47

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3 years ago

Which expression represents the approximate length of Line segment B C?<br><br> use sines law

Harrizon [31]

The expression is: a. StartFraction (3) sine (66 degrees) Over sine (38 degrees) EndFraction

Step-by-step explanation:

The Law of Sines is written as;

$\frac{a}{sinA} =\frac{b}{sinB}=\frac{c}{sinC}$

where a, b,c are sides of the triangle and side a faces angle A , side b faces angle B and side c faces angle C.

In this case,

Dividing side AB by sin 38° equals dividing side BC by sin 66°

$\frac{3}{sin38} =\frac{BC}{sin66} \\\\$

3/0.61566147532 = BC/0.91354545764

4.87280773645 = BC/0.91354545764

BC=4.87280773645*0.91354545764 =4.45153137359

Approximate length is = 4.5 and the expression is: 3 sine 66°/ sine 38°

Learn More

Law of sines :brainly.com/question/3617061

Keywords: expression, length, line segment

#LearnwithBrainly

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3 years ago

THIRTY POINTS Will mark branliest if right.

Mumz [18]

Answer:A

Step-by-step explanation:A

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