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Inessa05 [86]
3 years ago
8

22) 800 bacteria exist in a petri dish. If the

Mathematics
1 answer:
Reika [66]3 years ago
6 0
800 * 3 = 2400. So your answer is 3
You might be interested in
Randy chooses to survey every 5th student in the cafeteria. He surveys a total of 140 students and finds that 84 support buying
umka21 [38]

Answer: He can predict that 420 students will be in support of the purchase.

Step-by-step explanation:

Since Randy surveyed one student out of every 5 he came across in the cafeteria, it means that if he came across five people, he will survey one, if he came across ten students, he will survey 2 and so on.

If then he surveyed a total of 140 students, then we can actually multiply the number by 5 to know the exact number of students he possibly came across in the cafeteria:

= 140 × 5

= Total of 700 students

If 84 out of the surveyed students supported the purchase, we can find what that figure represents in the total number of students in the cafeteria:

84/140 = x/700

We cross multiply

140 × X = 84 × 700

140X = 58,800

X = 58,800/140

X = 420 students

Therefore, he can predict that 420 students out of a total of 700 students in the cafeteria will be in support of the purchase of the P.E equipment

7 0
3 years ago
What is the answer to number 3??
Eduardwww [97]

The change in temperature has dipped from -2 degrees Celsius to -10 degrees Celsius, meaning there is a negative diversification.

-10 degrees Celsius is equal to 14 degrees Fahrenheit.

-2 degrees Celsius is equal to 28.40 degrees Fahrenheit.

Thus, the temperature gap is 14.40 degrees Fahrenheit.

8 0
4 years ago
Given that x equals 6 and y equals -4
aleksandr82 [10.1K]

Answer: 42/12 or 3.5

Step-by-step explanation:

5(6)/3(-4)= -30/12

-30/12 + 6 or -30/12 + 72/12 = 42/12 or 3.5

7 0
3 years ago
Read 2 more answers
Mailing a letter costs 37¢ for the
astra-53 [7]

Answer:

A

Step-by-step explanation:

8 0
4 years ago
Which statement correctly describes the relationship between the graph of f(x) and g(x)=f(x+2) ?
coldgirl [10]

Answer:

The graph of g(x) is the graph of ​f(x)​ translated 2 units left.

Step-by-step explanation:

When a change is made inside the parenthesis to the input, the function shifts left and right. Addition shifts it left while subtraction shifts it to the right. Here it is translated two units to the left.

Example:    f(x) = x            f(x+2) = x_{n+2}

                   f(5) = 5                 x+2 = 5

                                               x+2-2 = 5-2

                                             x=3 and f(3) = 3

                                                 f(5) = 3

This is so because 5 now matches to the output of two previous which is 3.

                   

4 0
3 years ago
Read 2 more answers
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