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Nonamiya [84]
3 years ago
14

Can someone help me with this 7th-grade math problem it is ratios If it is correct I will give brainliest so make sure it is cor

rect

Mathematics
1 answer:
Tatiana [17]3 years ago
3 0

Answer:

B

Step-by-step explanation:

denominators are related

40 x 2.5=100

48 x 2.5=120

so they are the same

hope this helps

take care

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Reabilwe is conducting an experiment in which the temperature is measured carefully. The temperature was 106°C at the end of the
frosja888 [35]

The formula to calculate the temperature (T) after m minutes is -

T = 106 - 6m

We have Reabilwe who is conducting an experiment in which the temperature is measured carefully. The temperature was 106°C at the end of the first minute, and then it falls by 6°C every minute after that.

We have to tp determine a formula to calculate the temperature (T) after m minutes.

<h3 /><h3>Starting from x, if the bacteria count rises by 5 every second, then determine the formula to calculate the bacteria count after 30 seconds.</h3>

Initial count = x

Count increasing per second = 5

Assume that the bacteria count after t seconds is y. Then -

y = x + 5t

for t = 30 ↔ y = 150 + x

According to question, we have -

Initial Temperature = 106 degrees Celsius

Temperature increase per minute = 6 degrees Celsius

Assume that the Temperature fall after m minutes is T. Then -

T = 106 - 6m

Hence, formula to calculate the temperature (T) after m minutes is -

T = 106 - 6m

To solve more questions on Equation Modelling, visit the link below -

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5 0
1 year ago
PUT THESE NUMBERS IN ORDER GREATEST TO LEAST ✔✔ I WILL ADD BRAINLIST
Fiesta28 [93]

Answer:

2 12/16, 2 18/25, and lastly 2.

Step-by-step explanation:

Since 2 is least, we can put that at the end. That leaves us with 2 18/25 and 2 12/16. Since 12/16 is greater, we will put that as the greatest. 2 18/25 is in the middle. Hope this helps!

6 0
3 years ago
My homework asks to evaluate this: 8-11 Times the square root of 25 over 121
navik [9.2K]
8 - 11 = -3. The square root of 25/121 =  (the square root of 25) / (the square root of 121) = 5/11 .   -3 x 5/11 = -3/1 x 5/11 = (-3 x 5) / (1 x 11) = (-15)/11 = -15/11.
4 0
3 years ago
What’s is Sin(22)x240
gizmo_the_mogwai [7]
The answer would be 89.90558242
If u round it off, the answer will be 90
4 0
3 years ago
Will give brainliest Evaluate the expression using the order of operations and rules for signed numbers.
Lady bird [3.3K]

Answer:

Given 6.8(6.7 – 7.2) – 2(4.6 + 1.2)

Explanation:

-15 is your answer

5 0
2 years ago
Read 2 more answers
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