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Tomtit [17]
3 years ago
14

Pls pls I really need help

Mathematics
2 answers:
svetoff [14.1K]3 years ago
8 0

Answer:

4x - 18

Step-by-step explanation:

(4x - 18) (x - 4.5) = 4x² - 36x +81

Lilit [14]3 years ago
3 0

Answer:

2x+9

Step-by-step explanation:

As you can see, there's a 4x. Now, you want to to to 36x divided by 16x which is 2, 9 to the power of 2 is 81 which is in the polynomial so you'll want to click 2x+9.

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PLEASE HELP!! I NEED MATHEMATICIANS ON THIS POST!!
aalyn [17]

Answer:

60 * 40% = 24

Step-by-step explanation:

just use a calculator

7 0
3 years ago
4 times what number equals 204
skelet666 [1.2K]
4 x a =204

a= 204 :4

a=51
8 0
3 years ago
Read 2 more answers
How many soulutions does the system of equations have x-3y=15. and 3x-9y=45
Irina-Kira [14]

Answer:

<h2>Infinitely many solutions</h2>

Step-by-step explanation:

\left\{\begin{array}{ccc}x-3y=15\\3x-9y=45\end{array}\right\\\\\text{Divide both sides of the second equation by 3}\\\\\dfrac{3x}{3}-\dfrac{9y}{3}=\dfrac{45}{3}\\\\x-3y=15\\\\\text{We received the same equation as the first.}\\\\\bold{CONCLUSION}\\\\\text{The system of equations has infinitely many solutions.}

\left\{\begin{array}{ccc}a_1x+b_1y=c_1\\a_2x+b_2x=c_2\end{array}\right\\\\\text{If}\ a_1=a_2,\ b_2=b_2,\ c_1=c_2,\ \text{then the system of equations}\\\text{ has infinitely many solutions}\\\\\text{If}\ a_1=a_2,\ b_1=b_2,\ c_1\neq c_2,\ \text{then the system of equations}\\\text{has no solutions}\\\\\text{Other the system of equations has one solution.}

5 0
3 years ago
What is the height of a cylinder if it has a radius of 3 centimeters and a volume of 254.34 cubic centimeters? (Use 3.14 for π.)
lesya [120]
The answer is 9cm.

254.34= (3.14 x 3^2) x 9
5 0
3 years ago
Read 2 more answers
There are 12 chickens.
Natasha_Volkova [10]

Answer:

252 eggs in 7 weeks

Step-by-step explanation:

12 \times 3 = 36 \\ 36 \times 7 = 252

6 0
3 years ago
Read 2 more answers
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