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Margaret [11]
3 years ago
12

Select the correct difference.

Mathematics
2 answers:
Mashutka [201]3 years ago
8 0

Answer:

+ 7 d - 7

7 d2 + d + 1

Step-by-step explanation:

+ 7 d - 7

7 d2 + d + 1

svetlana [45]3 years ago
3 0
+7d-7
7d2+d+1
Hope this helps
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A stadium has 49000 seats. Seats sell for $25 in section A, $20 in section B, and $15 in section C. The number of seats in secti
eimsori [14]

Answer:

A stadium has 49000 seats.  

Seats sell for $25 in Section A, z

$20 in Section B,-------------------x seats

$15 in Section C. ------------------y seats  

(x+y)=z  

25(x+y)+20x+15y=1052000

25x+25y+20x+15y=1052000

45x+40y=1052000

/5

9x+8y=210400------------------1

2x+2y=49000

/2

Step-by-step explanation:

4 0
3 years ago
Add 2 to 5, then multiply 3 by the result
Nostrana [21]

Answer:

21

Step-by-step explanation:

<em>Step 1: add 2 to 5</em>

=> 2 + 5

=> 7

<em>Step 2: Multiply the result by 3:</em>

=> 7 * 3

=> 21

Therefore the <u>final answer = 21</u>

Hope this helps!

7 0
3 years ago
Read 2 more answers
Which of the following equations is equivalent to −6x+2y=24?
s344n2d4d5 [400]

Answer:

The choice three ;

y = 3x + 12

Step-by-step explanation:

- 6x + 2y = 24 \\ 2y = 24 + 6x \\ \\ y = \frac{24 + 6x}{2}   \\  \\ y =  \frac{24}{2}  +  \frac{6x}{2}  \\  \\ y = 12 + 3x

3 0
2 years ago
Jack and Jill were buying water jugs jack bought 2 medium sized jugs and 3 large sized jugs for 150 dollars and Jill bought 4 me
Mademuasel [1]

Answer: the cost of one medium sized jug is $60

the cost of one large sized jug is $10

Step-by-step explanation:

Let x represent the cost of one medium sized jug.

Let y represent the cost of one large sized jug.

Jack bought 2 medium sized jugs and 3 large sized jugs for 150 dollars. This means that

2x + 3y = 150 - - - - - - - - - - - 1

Jill bought 4 medium jugs and 12 large jugs for 360 dollars. This means that

4x + 12y = 360 - - - - - - - - - - - 2

Multiplying equation 1 by 4 and equation 2 by 2, it becomes

8x + 12y = 600

8x + 24y = 720

Subtracting, it becomes

- 12y = - 120

y = - 120/ - 12

y = 10

Substituting y = 10 into equation 1, it becomes

2x + 3 × 10 = 150

2x + 30 = 150

2x = 150 - 30 = 120

x = 120/2 = 60

3 0
3 years ago
Hillary can read 560 words in seven minutes how many words can Hillary read in one minute
Lorico [155]
560 / 7 = 80

<span>Hillary can read 80 words per minute.

</span><span>I hope this helps :)</span>
3 0
3 years ago
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