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netineya [11]
3 years ago
5

If x=4 and y=3, what is the value of x-3y²?

Mathematics
1 answer:
Lynna [10]3 years ago
3 0
The answer is -77.I hope this helped you.
You might be interested in
Solve for x.<br><br> −2x−1+3x=7<br><br><br> x=−2<br><br> x=−1<br><br> x = 6<br><br> x = 8
Vadim26 [7]

Answer:

x=8 is the answer. x-1=7 => x=7+1= 8

8 0
3 years ago
A bacteria colony increases in size at a rate of 4.0565e1.3t bacteria per hour. If the initial population is 54 bacteria, find t
Dovator [93]

Answer:

Population of bacteria four hours later A=616.5187  or nearest whole number

A=616

Step-by-step explanation:

Given,

Let amount of bacteria four hours later is=A

Rate of increase of bacteria per hour  =\frac{\partial x}{\partial t}=4.0565e^{1.3t}

Initial population of bacteria is =54

Time 4 hours

Find the population of bacteria 4 hours later

Solution,

\int_{54}^{A}dx=\int_{0}^{4}4.0565e^{1.3t}dt

\left [ x \right ]_{54}^{A}=4.0565/1.3\left [e^{1.3t}  \right ]_{0}^{4}

A-54=4.0565/1.3\left ( e^{1.3\times 4} -1\right )

A-54=562.5187301

A=562.5187301+54

A=616.5187

Population of bacteria 4 hours later isA=616

8 0
4 years ago
5 Points, Time Limit, Brainliest, Please don't spam, Thanks!
Sergeeva-Olga [200]
The awnser is 1/8
There are 20 different and 5 of them are yellow. 1/4 of them are yellow
1/2 chance of the coin have tails up
1/4 × 1/2 = 1/8
hope it helps
3 0
3 years ago
Read 2 more answers
Pls help due in 15 mins
solmaris [256]
1) y = 8 x = 7.5
2) y = 3 x = 12
5 0
3 years ago
Read 2 more answers
What is a + b whole square formula
emmainna [20.7K]

Answer:

The a+b whole square is used as a formula to expand it as an algebraic expression a2+2ab+b2 a 2 + 2 a b + b 2 in mathematics.

Step-by-step explanation:

Thank you good luck on your assignment!

~Evelyn

3 0
3 years ago
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