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Alisiya [41]
3 years ago
13

Solve the equation 4=t/2.5

Mathematics
2 answers:
larisa [96]3 years ago
6 0

the answer would be 10 because you have to times by 2.5 on both sides to get t on its own.

4 × 2.5 is 10

Vlada [557]3 years ago
5 0
Answer: 10

Step By Step:

When doing these equations on paper, I recommend drawing a straight line down through =. Then, multiply but 2.5 on both sides on the equal sign because multiplication is the reverse operation of the equation. You will be left with 10 = t
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I need help with number 52! And I haven’t done 51
Wittaler [7]

Answer:

  51.  A/P = (2.2t +25)/(2.6t +29)

  52.  A/P for t=0 is about 0.862

         A/P for t=4 is about 0.858

Step-by-step explanation:

51. The ratio of the two given functions is ...

  r(t) = A/P

  r(t) = (2.2t +25)/(2.6t +29)

__

52. Fill in the required numbers and do the arithmetic.

  r(0) = (0 +25)/(0 +29) = 25/29

  r(0) ≈ 0.862

_

  r(4) = (2.2·4 +25)/(2.6·4 +29) = 33.8/39.4

  r(4) ≈ 0.858

The salary ratio is approximately flat at 0.86 over the 4-year period. It is declining slightly each year.

5 0
3 years ago
Some one please help someone good at geometry because I’m failing :( plz makes sure it’s right
lana [24]

Answer:

7

Step-by-step explanation:

7 0
3 years ago
AnimeBrainly PleaseHelp!
jekas [21]

1.

Platinum Gym charges a one-time registration fee of $60, and membership is $20 a month.

Super Fit charges a one-time registration fee of $150, and membership is $10 a month.

(a) Write a expression to represent the membership cost of Platinum Gym for x months.

Let x = months

20x + 60 is your expression

(b) Write an expression to represent the membership cost of Super Fit for x months

Let x = months

10x + 150 is your expression

(c) You are solving for both one month and twelve months of membership.

<u>One month:</u> Plug in 1 for x.

20(1) + 60 = 20 + 60 = 80

10(1) + 150 = 10 + 150 = 160

Platinum Gym is cheaper overall for one month by $80

<u>One year:</u> There are twelve months in a year. Plug in 12 for x.

20(12) + 60 = 240 + 60 = 300

10(12) + 150 = 120 + 150 = 270

Super Fit is cheaper than Platinum Gym overall for one year by $30

(d) Set the two expression equal to each other.

20x + 60 = 10x + 150

Isolate the x. Subtract 10x and 60 from both sides

20x (-10x) + 60 (-60) = 10x (-10x) + 150 (-60)

20x - 10x = 150 - 60

Simplify

20x - 10x = 150 - 60

10x = 90

Isolate the x. Divide 10 from both sides

10x/10 = 90/10

x = 9

It takes 9 months for the cost to be the same.

(e) It really depends on how long you want to work out at a gym. If you are working out for less than a year, than Platinum Gym is the better choice. If more than a year, then Super Fit is the better choice.

---------------------------------------------------------------------------------------------------------------------

hope this helps

5 0
3 years ago
Read 2 more answers
Please answer correctly !!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!
Luba_88 [7]

9514 1404 393

Answer:

  DJ = 48

Step-by-step explanation:

The centroid (J) divides the median into parts that have the ratio 2:1.

  DJ : JH = 2 : 1

  DJ : (DJ +JH) = 2 : (2+1)

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  DJ = (2/3)DH = (2/3)(72)

  DJ = 48

6 0
3 years ago
Anybody ? Need help.
forsale [732]
Idk what you mean ? Uh
8 0
3 years ago
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