Will give brainliest answer

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Answer 1

Answer:

Answer:

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The following EXCEL tables are obtained when "Score received on an exam (measured in percentage points)" (Y) is regressed on "percentage attendance" (X) for 22 students in a Statistics for Business and Economics course. Regression Statistics Multiple R 0.142620229 R Square 0.02034053 Standard Error 20.25979924 Observations 22 Coefficients Standard Error T Stat P-value Intercept 39.39027309 37.24347659 1.057642216 0.302826622 Attendance 0.340583573 0.52852452 0.644404489 0.526635689 What is the predicted value received on an exam when Percentage Attendance = 70 a. Approximately 63 b. Approximately 2758 c. Approximately 40 d. Approximately 70

Drag each equation to show if it could be a correct first step to solving the equation 2(x+7) =36

Answers

Answer:

(2.x) + (2.7) = 36

Step-by-step explanation:

Solving the given equation with the distributive property,

A(B + C) = (A.B) + (A.C)

So that,

2(x+7) = 36

(2.x) + (2.7) = 36

2x + 14 = 36

2x = 36 - 14

2x = 22

x = 11

From the given expressions, the option that is the correct first step to solving this equation is;

(2.x) + (2.7) = 36

Answer:

Here you go

Step-by-step explanation:

. Given the following diagram. (a) Name the minor arc __________ Name the major arc ___________ (b) If the minor arc is 112°, what is the measure of the rest of the circle arc length? _____________ (c) Which line is the tangent? ___________ Which line is the secant? __________ (d) If XY is 11 and UX is 9, what is the length of UV? Show all work or no credit.

Answers

Answer:

(a) minor arc: XY; major arc: XVY
(b) XVY = 248°
(c) tangent: UV; secant: UX
(d) UV = 6√5

Step-by-step explanation:

(a) Any pair of points on the circle that are separated by less than the diameter will define a minor arc. (The minor arc is the shortest arc of the circle between the points.) Possible minor arcs in this diagram are ...

VX, VY, XY

The corresponding major arc is usually named by adding the name of a point between the two endpoints that is not on the minor arc. For the minor arcs above, the corresponding major arcs are ...

VYX, VXY, XVY

Given that part (b) tells us the minor arc of interest is 112°, we assume that arc is the one subtended by the chord: XY.

Then, per the discussion above, the corresponding major arc is XVY.

___

(b) The sum of major and minor arcs is the whole circle, 360°. So, the measure of the major arc is ...

360° -112° = 248°

___

(c) A tangent line intersects a circle at exactly one point. It is perpendicular to a radius to that point of intersection. The tangent line in this diagram is UV.

A secant intersects a circle in two places. The portion of the secant between the points of intersection is called a chord. The secant line UX contains the chord XY.

___

(d) A rule of secants (and chords) is that the product of distances from where the secants (or chords) meet to the two intersection points with the circle is the same. For a tangent line, effectively, the two points of intersection are at the same distance. This means ...

UV·UV = UX·UY

UV² = 9·(9+11) = 180

UV = √180 = √(6²·5)

UV = 6√5 ≈ 13.42

_____

The attached figure is drawn to scale with arc XY being 112°.

Answer:

(a) minor arc: arc VX

major arc: arc VYX

(b) 248 degrees

Secant: UY

Step-by-step explanation:

(b) 360 - 112 = 248

UY crosses through the circle at exactly two points

. What would be the new coordinates if (-2,-4) is translated 5 units up and7 units to the left.

Answers

Answer:

(-9, 1)

Step-by-step explanation:

translating UP is to increase on the y axis, so -4+5=1

translating to the LEFT is to subtract on the x axis so-2-7=-9

-9, 1 I think is the correct answer

Solve: x^2 – 16x + 63 < 0

Answers

Answer:

7 < x < 9

Step-by-step explanation:

x^2 – 16x + 63 < 0

this is a parabola that opens up.

The parabola will be < 0 for values between the roots.

to picture this see the graph below.

Factor

(x - 7)(x - 9) < 0

Roots

x = {7, 9}

solution

7 < x < 9

Find the quotient of 2/5 and 4/5
Give your answer as a fraction in its simplest form.

Answers

What is the quotient?

The quotient is the number which is generated when we perform division operations on two numbers.

The quotient of 2/5 and 4/5.

The quotient of 2/5 and 4/5 is determined in the following steps given below.

$\rm Quotient =((2)/(5))/((4)/(5))\n\nQuotient =(2)/(5)* (5)/(4)\n\n Quotient =(2)/(4)\n\nQuotient =(1)/(2)$

Hence, the quotient of 2/5 and 4/5 is 1/2.

Learn more about quotient here;

brainly.com/question/17925639

#SPJ2

Answer:

$(1)/(2)$

Step-by-step explanation:

GUYSSS PLSSS I GIVE BRAINLIESSTTTT

Answers

Answer:

4. is x = 9

but I don't know about 5. sorry.

Step-by-step explanation:

5x + 3 = 48

-3. -3

5x = 45

5. 5

x = 9

5(9) + 3 = 48

48 = 48

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What is the answer hurry please36k = -9

Who got the answer to this ? (4x^2+6+7)-(-8x^2-2x+6)

Is this one correct?