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Tom [10]
3 years ago
10

B) What is the 4 times of the sum of 3and9? ​

Mathematics
2 answers:
Sliva [168]3 years ago
7 0
I’m confuse about the question I don’t know you mean in equation but 4(x+3)= 9
Mashcka [7]3 years ago
3 0

Answer:

108

Step-by-step explanation:

sum is a fancy word for add so 3+9=27 and 27*4=108

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A regression analysis between sales (y in $1000) and advertising (x in dollars) resulted in the following equation y = 50,000 +
Vikentia [17]

Answer:

D. increase of $1 in advertising is associated with an increase of $6,000 in sales.

Step-by-step explanation:

Every dollar in advertisting is multiply by 6 in the equation, but every unit in y represent $1000. That means that $1 1n advertisting is multiply by 6 and then by $1000, that is $1 in advertisting = $6000 in sales.

4 0
3 years ago
Which of following is the graph of y = -(x + 1)2 -3?
Len [333]

Answer:

See below.

Step-by-step explanation:

The graph of the quadratic equation is a parabola or u shaped graph. It has a vertex at (-1,-3) since h=-1 and k=-3 in the vertex form. It is also facing down since the leading coefficient is negative.

7 0
3 years ago
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Write an equation of the line passing through the points (4,6) and (-2, - 18).
olga_2 [115]

Answer:

y = 4x – 10

Step-by-step explanation:

slope formula: m = \frac{y_{2}-y_{1} }{x_{2}-x_{1} }

point-slope formula: y-y_{1}=m\left(x-x_{1}\right)

  1. Use slope formula and plug in your numbers: m = \frac{-18-6}{-2-4 }
  2. Solve for slope m = 4
  3. Use the point-slope formula to solve for the equation: y-6=4\left(x-4\right)
  4. Solve and find equation: y=4x-10

Note: When given two points you only need to pick one for the point-slope formula! Best to choose the positive one so you don't have to deal with the negatives!

Hope this helps! Please give Brainliest!

4 0
2 years ago
Richard is planning a trip to Italy. He Thinks he will need $2,750 for the trip. If the trip is 40 weeks away, which is the best
Leto [7]
Hey there
That's easy
Divide 2750 by 40 and a good estimate would be 68 dollars
Hope this helps
7 0
3 years ago
Read 2 more answers
If angle 1 = angle 2 and angle 2 = angle 4, what property allows you to state that angle 1 = angle 4
Gnesinka [82]

Answer:

Transitive Property

Step-by-step explanation:

You can use it for example: a = b. b = c. So a = c (Transitive Property).

6 0
4 years ago
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