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3 years ago

13

Helppppppppppppppppppppppppppppppppppppp

1 answer:

jeka57 [31]3 years ago

6 0

2:7... And we're adding 21 more animals
4:14
6:21

Add the 6 to the keepers and the 21 to number of animals.

NumKeepers=18
Num Animals=63

There are 18 total keepers.

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vladimir1956 [14]

Answer:

B

Step-by-step explanation:

Slope is the same(x) therefore they are parallel

3 0

3 years ago

Did I get this right? And please explain why or why not please

schepotkina [342]

$\bf 7x^2-10\implies 7(\stackrel{x}{6})^2-10\implies 7(36)-10\implies 252-10\implies 242
\\\\\\
43\ \textless \ y-30\implies 43+30\ \textless \ y\implies 73\ \textless \ y\qquad y=
\begin{cases}
74\\
75\\
76\\
77\\
...+\infty
\end{cases}$

3 0

2 years ago

A chemist claims that he has found a chemical formula that will kill a certain bacteria. He claims it will kill half the bacteri

Alex73 [517]

Answer:

4 Minutes = 240 seconds = 6*40 seconds

30*(1/2)^6 = 30*1/64 = 30/64 = 15/32 = 0.5

4 minutes later there is approx. 0 to 1 bacteria alive.

7 0

2 years ago

Which components are a possible representation of vector w if the magnitude of vector -3w is ||-3w||=15?

Black_prince [1.1K]

Answer:

<-3,4>

<0,-5>

Step-by-step explanation:

|-3w| = 15

3|-w| = 3|w| = 15

|w| = $\frac{15}{3}$

|w| = 5

If vector w is represented by <1,-9>

Then |w| = $\sqrt{(1)^{2}+(-9)^{2}}=\sqrt{1+81}=\sqrt{82}\neq5$ .

Therefore this is not possible.

If vector w is represented by <-3,4>

Then |w| = $\sqrt{(-3)^{2}+(4)^{2}}=\sqrt{9+16}=\sqrt{25}=5$ .

Therefore this is possible.

If vector w is represented by <4,5>

Then |w| = $\sqrt{(4)^{2}+(5)^{2}}=\sqrt{16+25}=\sqrt{41}\neq5$ .

Therefore this is not possible.

If vector w is represented by <-5,-3>

Then |w| = $\sqrt{(-5)^{2}+(-3)^{2}}=\sqrt{25+9}=\sqrt{34}\neq5$ .

Therefore this is not possible.

If vector w is represented by <0,-5>

Then |w| = $\sqrt{(0)^{2}+(-5)^{2}}=\sqrt{0+25}=\sqrt{25}=5$ .

Therefore this is possible.

(NOTE : if z vector is represented by <x,y> then |z| = $\mathbf{\sqrt{x^{2}+y^{2}}}$ )

4 0

2 years ago

Pilar and her sister Marisol live near the beach. Pilar has 80 seashells in her collection when Marisol started collecting seash

Tems11 [23]

Answer:

You can always try socratic the app

Step-by-step explanation:

The best way to find many resources and answers is to use the App Socratic.

4 0

2 years ago

Read 2 more answers