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maria [59]
3 years ago
15

Please answer asap. NO SCAM LINKS.

Mathematics
1 answer:
solong [7]3 years ago
4 0
B is the answer I did that last week at my school
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If x = -2, then the equation is 2x = -4.<br><br><br> True<br> or<br> False
Alex777 [14]

Answer:

true

Step-by-step explanation:

2(-2)=-4

6 0
3 years ago
The area A(r)(in square meters) of a circular algae colony with radius r meters is given by A(r)=pir^2. Basically that's A(r)= p
Taya2010 [7]

Answer:

The expression provided by the area (square meters) is given by:  A(t) = pi \frac{100t^{2} }{9}.

Step-by-step explanation:

The area of the algae colony is a function of the radius r (meters), so A(r) = \pi r ^ 2.

The radius of the circle formed by the algae colony is a function of time t (in minutes), so M (t) = \frac{10t }{3}. So,

A(r) = \pi r ^ 2  [Substituting the expression for radius]

A(t) = pi (\frac{10t }{3})^{2} = pi \frac{100t^{2} }{9}

Then the expression provided by the area (square meters) is given by:  A(t) = pi \frac{100t^{2} }{9}.

7 0
3 years ago
I will mark brainlist please help what is the vertex of the parabola
amm1812
The answer is (1,-9).
4 0
2 years ago
How do you write -3( 1 - 8m - 2n) in standard form.
Ulleksa [173]

You distribute the three into the numbers in parentheses. -3+24n+6n. Then combine like terms. -3+30n


But I may be wrong.

7 0
3 years ago
Helppppppppppppppppppppppppppppppppp
seraphim [82]

Answer:

b. (1, 13).

Step-by-step explanation:

Here's a pic of my work. You can put either equation on the other side of the equal sign, because they both equal Y. therefore, they equal each other.

5 0
3 years ago
Read 2 more answers
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