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VashaNatasha [74]
3 years ago
15

What expression is equivalent to 3(2t + 6) -4t

Mathematics
1 answer:
tekilochka [14]3 years ago
3 0

Answer: 2t + 18

Step-by-step explanation:

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The temperature in degrees Celsius can be determined using the expression 5 9 (F – 32) where F is the temperature in degrees Fah
Norma-Jean [14]

Answer:

The temperature on Celsius scale for 86 ºF is 30 ºC.

Step-by-step explanation:

Both degrees Celsius and Fahrenheit are relative scales of temperature. The relationship between degrees Fahrenheit and degrees Celsius is summarized by the equation below:

T_{C} = \frac{5}{9}\cdot (T_{F}-32) (1)

Where:

T_{F} - Temperature, measured in degrees Fahrenheit.

T_{C} - Temperature, measured in degrees Celsius.

If we know that T_{F} = 86\,^{\circ}F, then its equivalent temperature on Celsius scale is:

T_{C} = \frac{5}{9}\cdot (86-32)

T_{C} = 30\,^{\circ}C

The temperature on Celsius scale for 86 ºF is 30 ºC.

3 0
3 years ago
Please I really need ur help !!!​
AURORKA [14]
It’s B hope this helps
6 0
3 years ago
What is the sum of the given polynomials in standard from? (x^2 -3x) + (-2x^2+5x-3)
galben [10]

The pic will help you

Good luck:))

8 0
3 years ago
Ms.Kitts works at a music store. Last week she sold 6 more than 3 times the number of CDs that she sold this week. Ms.Kitts sold
Murrr4er [49]

Answer:  \left \{ {{l=3t+6} \atop {l+t=110}} \right.

Step-by-step explanation:

Let be "l" the number of CDs Ms.Kitts sold last week, and "t" the number of CDs she sold this week.

You need to remember that:

1. The word "times" indicates a multiplication.

2. The word "more" indicates addition.

Then, the sentence "Last week she sold 6 more than 3 times the number of CDs that she sold this week" can be represented with equation:

l=3t+6

According to the information given in the exercise, the sum of the number of CDs Ms. Kitts sold last week and this week is: 110 CDs.

Since a sum is the result an Addition, you can write the following equation:

l+t=110

Therefore, the System of equations that can be used to find the number of CDs she sold last week and the number of CDs she sold this week, is:

\left \{ {{l=3t+6} \atop {l+t=110}} \right.

7 0
3 years ago
10 11 10 y 10 8<br><br> If the mean is 10 what number could y be?
murzikaleks [220]
To find the mean of a number sequence, add all the numbers together and divide them by the number of numbers used...

10 + 11 + 10 + 10 + 8 = 49

49 ÷ 5 = 9.8

The mean does not match 10, so make up numbers untill it matches.

10 + 11 + 10 + 10 + 8 + 6 ÷ 6

= 10 !

The anwser would be y = 6
3 0
4 years ago
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