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Zigmanuir [339]
3 years ago
15

To eliminate the y-terms and solve for x in the fewest steps, by which constants should the equations be multiplied by before ad

ding the equations
together?
First Equation: 5x - 4y = 28
Second equation: 3x - 9y = 30
The first equation should be multiplied by 3 and the second equation by 5.
The first equation should be multiplied by 9 and the second equation by -4.
The first equation should be multiplied by 3 and the second equation by -5.
The first equation should be multiplied by 9 and the second equation by 5.
Mathematics
2 answers:
AVprozaik [17]3 years ago
6 0

Answer:

D

Step-by-step explanation:

True [87]3 years ago
3 0

Answer:

D

Step-by-step explanation:

took the test

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PLEASE HELP I"M ON A TIME LIMT!!
NemiM [27]

Answer: C) 1560

Step-by-step explanation:

So the first part is splitting the rectangle from the triangle so the area for the rectangle is 1440 (40 x 36) and the area for the triangle is 120 ((6x40)/ 2)

when you add them up the equal 1560 (1440 + 120)

8 0
3 years ago
Carrie buys 4.16 pounds of apples for $5.20. How much does 1 pound cost?
Slav-nsk [51]
5.20/4.16=1.25
5.20 is apples
4.16 is $
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3 0
3 years ago
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Which of the binomials below is a factor or this trinomial x-2 +5x+6
lutik1710 [3]
Firstly, for it to be a trinomial the expression would have to be x^2+5x+6 to factor this we would simply have to find 2 numbers that add up to 5 and multiply to 6. 3+2=5 and 3•2=6 so (x+3)(x+2) would be the answer
5 0
3 years ago
The cost (in dollars) of a custom made sweatshirt is represented by 3.5n +29.99, where n is the number of different colors in th
juin [17]

Answer:

52.5n+449.85

Step-by-step explanation:

The cost is given for <em>1 sweatshirt</em>. To find the cost of 15 sweatshirts, we need to multiply the expression by 15. Let's do this:

15(3.5n+29.99)\\=15(3.5n+29.99)\\=15(3.5n)+15(29.99)\\=52.5n+449.85

This is the expression that represents the cost of 15 sweatshirts.

8 0
3 years ago
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EleoNora [17]

they got sold by her

Step-by-step explanation:

lol she sold her apples to people

5 0
3 years ago
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