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Aneli [31]
2 years ago
7

Humans breathe about 15 breaths in a minute. The average

Mathematics
1 answer:
NeX [460]2 years ago
7 0

Answer:

Humans breathe about 300 liters of air in 25 minutes

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A TV has a listed price of $540.99 before tax. If the sales tax rate is 9.75% , find the total cost of the TV with sales tax inc
Nutka1998 [239]

Answer:

■ Sales tax: $52.75

■ Cost/Price before ST: $540.99

■ Total Cost/Price including ST: $593.74

Step-by-step explanation:

540.99 x 0.0975

= 52.75

Total

= 540.99+52.75

=593.74

7 0
8 months ago
Jeffrey set up chairs for a meeting.
Kazeer [188]

Answer:

9x + 3 = 7x + 19

Step-by-step explanation:

Given that,

Jeffrey set up chairs for a meeting.

He arranged the chairs in 9 equal  rows but had 3 chairs left over.

Let x be the number of chairs. So,

9x+3 .....(1)

Then he arranged the chairs in 7 equal rows  but had 19 chairs left over. So,

7x+19 ......(2)

From equation (1) and (2),

9x+3 = 7x+19

9x-7x = 19-3

2x = 16

x = 8

Hence, the correct option is (b).

3 0
2 years ago
Which of the binomials below is a factor of this trinomial x^2+4x-60
trasher [3.6K]

Suppose x-6 is listed as a possible answer. That is zero if x = 6. So put x=6 into the original x^2 + 4x - 60 to get 6^2 + 4*6 - 60 = 36 + 24 -60 = 0. hence x-6 is a factor.

Answer (x-6)

on this hand :x-5 is not a factor, because plugging x=5 into does not work.

6 0
3 years ago
What is the soulution to this system of linear equation 7x-2y=-6 8x+y=3
tatuchka [14]

Answer:

(0,3)

Step-by-step explanation:

Step 1: 7x-2y=-6             Step 2: 7x-2y=-6    solve by elimination of the y value

           2(8x+y=3)2                     +(16x+2y=6)

Step 3: 23x=0, which means <u>x=0</u>

Step 4: subtitute 0 into the equation 8x+y=3

            you get 8(0)+y=3, which comes to 0+y=3

          you get <u>y=3</u>

therefore the solution to this system is (0,3)

7 0
3 years ago
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Genrish500 [490]

Answer:

same

Step-by-step explanation:

6 0
3 years ago
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