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Nikitich [7]
3 years ago
8

Ben graphed a system of equations and stated that the solution is (4, 4).  Check his solution algebraically.

Mathematics
1 answer:
Juliette [100K]3 years ago
8 0
A.
The graph of y= -1/2+5 is incorrect.
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A personnel director at a large company studied the eating habits of employees by watching the movements of a selected group of
Gnesinka [82]

Answer:

  1. c) an observational study
  2. c) convenience sample
  3. a) blocking for gender

Step-by-step explanation:

It is an abservational study because she is only watching and not asking the all or a group of employees to tell her their response to what she wants to know.

It is a convenience sample because subjects are selected because of their closeness to the researcher.

8 0
3 years ago
What is the equation of the following line written in general form (4,5) (1,2)
a_sh-v [17]
The answer is y= 1 + 1x

because the slope is 1 shown by this table:
1,2
2,3
3,4
4,5

and if the slope is one then 2-1 is 1 and the y intercept is 0,1.

4 0
2 years ago
Which angle number represents <EHK
kotegsom [21]
Angle #8 represents angle EHK
4 0
3 years ago
Lorne subtracted 6x3 – 2x + 3 from –3x3 + 5x2 + 4x – 7. Use the drop-down menus to identify the steps Lorne used to find the dif
Novay_Z [31]

Answer: Step 1: Reverse the signs of 6x^3-2x + 3 expression.

Step 2: Removing parenthesis

Step 3: Grouping like terms

Step 4: Combing like terms

Step 5: Writing the final expression in standard form

Step-by-step explanation: First expression :6x^3-2x + 3

Second expression : -3x^3+5x^2+4x-7.

We need to subtract 6x^3-2x + 3 from -3x^3+5x^2+4x-7.

Step 1: Reverse the signs of 6x^3-2x + 3 expression.

(-3x^3+5x^2+4x-7)+(-6x3+2x-3)

Step 2: Removing parenthesis

(-3x^3) +5x^2+4x + (-7) + (-6x^3) + 2x + (-3)

Step 3: Grouping like terms

[-3x^3) + (-6x^3)] + [4x + 2x] + [(-7) + (-3)] + [5x^2]

Step 4: Combing like terms

-9x^3 + 6x + (-10) + 5x^2

Step 5: Writing the final expression in standard form

-9x^3 + 5x^2 + 6x-10



8 0
3 years ago
Read 2 more answers
Plzzz HELP will give brainliest 9^-53*9^37
slamgirl [31]

Answer: The exact form is 5.3965953e-16. But in exponential form: 9^(-16).

Step-by-step explanation:

Use your calculator to plug in the negative powers and to multiply. Do it one step at a time. If you want exponential form, then here:

9^(-53) * 9^(37)

Add exponents keep base

9^(-16)

Hope this helps

3 0
3 years ago
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