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Delicious77 [7]
3 years ago
5

Check answer. if X=4. What is 3X+6 = 18?

Mathematics
1 answer:
Law Incorporation [45]3 years ago
6 0
Well you have to substitute the 4 in for X. It would make the equation: 3(4)+6=18. (Multiply 3 and 4)
12+6=18 (Add 12 and 6)
18=18

Hope this helped :)
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The number of bacteria, B, in a refrigerated food is given by the function b(t) = 15t2 - 60t + 125, where t is the temperature o
Nimfa-mama [501]

Answer: b(t(h))=135h^2+180h+125


Step-by-step explanation:

Given: The number of bacteria, B, in a refrigerated food is given by the function  b(t)=15t^2-60t+125 , where t is the temperature of food in degrees Fahrenheit.

The function t(h)=3h+4 gives the temperature, t, of the food h hours after being removed from the refrigerator.

Now, the number bacteria in the food in h hours is given by:-

b(t(h))=15(3h+4)^2-60(3h+4)+125\\=15(9h^2+16+24h)-180h-240+125\\=135h^2+240+360h-180h-240+125\\=135h^2+180h+125

So, The number bacteria in the food in h hours is given by:

b(t(h))=135h^2+180h+125


4 0
3 years ago
If a translation of T-3,-8(x, y) is applied to square ABCD,<br> what is the y-coordinate of B?
borishaifa [10]
Square ABCD of the translation T-3,-8(x,y)
4 0
3 years ago
I need help please good people ​
mel-nik [20]

Answer:

x/x+3

Step-by-step explanation:

first off, we start by factorizing.

we start with the numerator  taking x out making it x (x-3) / x^2 - 9

then we factorize the denominator a bit more...making it x (x-3) /  (x-3) (x+3)

as you can tell there is a (x-3) on both sides. so we can cross them out.

x/x+3 is left. try it yourself again so you can understand other questions like this! I hope I could help!

3 0
2 years ago
Plss help for points and brainliest
olganol [36]
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4 0
3 years ago
Read 2 more answers
HELP I WILL PUT U AS BRAINLIEST<br><br>Find g(2)<br>g(x) = x^2 - 4x​
Dmitry_Shevchenko [17]

Answer:

-4

Step-by-step explanation:

g(2) means x=2

2^{2}-4(2) = -4

6 0
3 years ago
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