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strojnjashka [21]
2 years ago
10

A zoo has 15 Emperor penguins. The Emperor make up30% of all the penguins at the zoo. How many penguins live at the zoo?

Mathematics
1 answer:
Mariana [72]2 years ago
8 0

Answer:

50 PENGUINS

Step-by-step explanation:

15÷3

= 5×7

=35 other penfuins

35+15=50

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Whoops i forgot to read the lesson :P 30 points
andriy [413]

Step-by-step explanation:

I'll do 2.

Alright,Alex let say we have factored a quadratic into two binomial, for example

(5x + 3)(6x - 4)

If we set both of those equal to zero

(5x + 3)(6x + 4) = 0

We can used the zero product property in this case to find the roots of the quadratic equation.

This means that

if  \: ab = 0 \: then \: a = 0 \: and \: b = 0

This means we set each binomal equal to zero to find it root.

5x + 3 = 0

5x =  - 3

x =  -  \frac{3}{5}

6x + 4 = 0

6x =  - 4

x =  -  \frac{2}{3}

So our roots are negative 3/5 and negative 2/3 using zero product property

6 0
2 years ago
Identify the type of sampling bias guaranteed to occur in each of the sampling schemes, based on the information provided. Some
melisa1 [442]

Answer:

1. i Sampling bias and

   ii. Question order bias

2. Non response Bias

3.i. sampling bias

ii.question order bias

4. i. response bias

ii.sampling bias

Step-by-step explanation:

we have basically four types of bias in a research which are;

1. Sampling bias

2. Response bias

3. Non response bias

4. Question order bias

8 0
3 years ago
What is an equation for the line that passes through the coordinates (2, 0) and (0, 3)?
alexdok [17]
Answer:
Not sure if this is correct but I hope this helps :)

8 0
3 years ago
Indicate the method you would use to prove the two Δ's ≅ . If no method applies, enter "none".
slavikrds [6]

Here is your answer

SSS

REASON:

SSS congruency states that, if all the three sides of a triangle are respectively equal to the corresponding sides of another triangle then both triangles are said to be congruent.

Here, in both triangles

7units=7 units

8units=8units

Middle side is common to both triangles so it is equal.

Hence, both triangles are congruent by SSS

HOPE IT IS USEFUL

7 0
3 years ago
34 divided by ten by the power of zero
Alex_Xolod [135]

the answer is 1 because 34 divided by 10 is 3.4 and anything to the zero power is always 1

3 0
3 years ago
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