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notka56 [123]
3 years ago
11

An employer uses the linear regression equation mc024-1.jpg to predict the weekly salary, y, of an employee who sells x dollars

worth of merchandise. Last week, Joaquin sold $1500 worth of merchandise. The same week, Alex earned $650. Using the regression equation, which is an accurate comparison?
Mathematics
1 answer:
jolli1 [7]3 years ago
5 0

Answer:

Alex earned about $60 more than Joaquin did.

Step-by-step explanation:


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Can I PLEASE get some help?
Leviafan [203]
Well 1/40 is 0.025 so that should be the write fraction to use
4 0
3 years ago
Read 2 more answers
Point A of rectangle ABCD is located at coordinates (3,7). If rectangle ABCD is translated down 7 and left 5, what are the new c
uranmaximum [27]

Answer:

The new co-ordinates are A¹ ( -2 , 0)

Step-by-step explanation:

<u><em>Step(i):</em></u>-

Point A of rectangle ABCD is located at coordinates (3,7).

<u><em>Type of transformation </em></u><em>                               </em><u><em> change of co-ordinate point</em></u>

<em>Vertical translation up 'd' units                   (x, y)→ (x, y +d)</em>

<em>Vertical translation down 'd' units              (x, y)→ (x, y -d)</em>

<em>Horizontal translation left 'C' units              (x, y)→ (x - c , y) </em>

<em>Horizontal translation right 'C' units             (x, y)→ (x + c , y) </em>

<u><em>Step(ii</em></u><em>):-</em>

<em>Given rectangle ABCD is translated down 7 and left 5</em>

<em>Given Point A(3 ,7) </em>

Vertical translation down '7' units  t

The new co-ordinate A¹ ( 3 , 7-7)→ A¹( 3, 0) and Horizontal translation left ''5' units

Now the new co-ordinates are A¹ ( 3-5 , 7-7)

<u><em>Final answer:-</em></u>

The new co-ordinates are A¹ ( -2 , 0)

7 0
3 years ago
Find the value of 4x-6 when x=3 and y=-2
Bas_tet [7]
Answer:
6

Step by step explanation:

4(3)-6
Multiply
4 x 3
Now subtract the numbers
12-6
The solution is 6

Was this solution helpful?
8 0
2 years ago
Evaluate x(–y + z) for x = 3, y = 3, and z = 1.
Crank
Explanation:
Substitute:

3 for x

3 for y

1 for z

x(−y+z)

becomes:

3(−3+1)⇒

3 ⋅ −2 ⇒

−6
3 0
2 years ago
NEED ANSWER ASAP!!
erik [133]

Answer:

A=-2; B=-1

Step-by-step explanation:

3a - 2b + 4 =0

2a -5b -1 = 0

Let's multiple the top equation by 2, and the bottom by -3, and then use addition.

[3a - 2b + 4 =0]*2

[2a -5b -1 = 0]*(-3)

6a-4b+8=0

-6a+15b+3=0

Now add the two equations together:

11b + 11 = 0

Subtract 11 from both sides

11b = -11

Divide both sides by 11

b=-1

Substitute in the first equation:

3a - 2(-1) + 4 = 0

Simplify to get 3a+6 = 0

Subtract 6 from both sides to get 3a = -6

Divide both sides by 3 to get a=-2

7 0
2 years ago
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