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jekas [21]
3 years ago
5

Six times a number decreased by twelve

Mathematics
2 answers:
djverab [1.8K]3 years ago
8 0
It’s equal’s 4n-12 because it’s multiplied by four then subtract 12 from the product
Phantasy [73]3 years ago
8 0
6 times a number, so 6n
Decreased by 12, so -12
Then put it together to get 6n-12
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For the love of God help me
Andrej [43]
A) Let b and r represent the cost of a bag of bark mulch and red mulch, respectively. (Always start with a "let" statement that defines your variables--usually based on what the question is asking: cost of each type.)

8b +6r = 44.50 . . . . Paul's first purchase
1b +8r = 25.50 . . . . .Paul's second purchase


b) There are many ways to solve a set of linear equations like this. I like a graphical calculator because it gives me the solution without having to think too much or do any arithmetic.

(b, r) = (3.50, 2.75)

Pine bark mulch costs $3.50 per bag.
Red mulch costs $2.75 per bag.


c) The project cost would have been
.. 14*$3.50 +10*$2.75 = $76.50

Paul would NOT have been able to make that purchase with funds available.

4 0
4 years ago
Charlie is 3 feet tall and has a 6.5 foot shadow. He is standing next to a 6-foot tall fence post. Find the length of
arlik [135]

Answer:

13

Step-by-step explanation:

6.5/3=13/6

6(13/6)=13

6 0
3 years ago
13 and 15<br><br>solve each problem by graphing and slope intercept​
mylen [45]

Answer: The answers are 13. (A) and 14. (B).

Step-by-step explanation: The calculations are as follows:

(13) The given equations are

y=-\dfrac{3}{8}x-6,\\\\\\y=-\dfrac{13}{8}x+4.

In the attached figure (a), these two lines are drawn. We can see that The lines intersect at the point P(8, -9). So, the solution to the pair of equations is (8, -9).

Thus, the correct option is (A).

(14) The given equations are

y=-\dfrac{1}{7}x-1,\\\\\\y=-x+5.

In the attached figure (b), these two lines are drawn. We can see that The lines intersect at the point Q(7, -2). So, the solution to the pair of equations is (7, -2).

Thus, the correct option is (B).

7 0
3 years ago
The length of a rectangle is shown below:
bazaltina [42]

Answer:

  • C(3, -3), D( -2, -3)

Step-by-step explanation:

<u>The coordinates of A and B are:</u>

  • A( -2, 3) and B(3, 3)

<u>The distance AB is:</u>

  • AB = 3 - (- 2) = 5 units

<u>The rectangle wit the area of 30 units² should have the other dimension:</u>

  • AC = BD = 30/5 = 6 units

<u>Since D and C are below of the A and B, their coordinates will be same on x-axis but different on y-axis:</u>

  • D = (-2, 3 - 6 = - 3) = (- 2, - 3)
  • C = (3, 3 - 6 = - 3) = (3, - 3)

Correct choice is B

3 0
3 years ago
PLEASE SOLVE AND CHECK. SHOW COMPLETE SOLUTION
Kipish [7]

Answer:

i m not able to give the answer to you

4 0
2 years ago
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