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tresset_1 [31]
3 years ago
14

PLEASE HURRY

Mathematics
2 answers:
snow_lady [41]3 years ago
7 0

Answer:

x = 3 ×10^2

Step-by-step explanation:

To determine how many times larger the culture sample was compared to a week earlier

We divide the values of the present sample to the past sample size

3.9 x 10^5/ 1.3 ×10^2

3.9/1.3 x10^5-3 = 3 ×10^2

Lubov Fominskaja [6]3 years ago
3 0

Answer-

the first box is 3 the second is 10 to the third then the last = 3,000

Step-by-step explanation:

just did it

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Mike and alice recycled 147 bottles altogether. Mike recycled 6 times as many bottles as Alice. How many bottles did alive recyc
meriva

total=147

a:m

1:6 =7

147÷7=21

21×1=21

alice recycled 21 bottles

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3 years ago
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Help me find the area of this circle
ch4aika [34]
The area would be approximately 153.94.

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What is Statistical inference?
rjkz [21]

Answer:

<em>Definition 1: The theory, methods, and practice of forming judgments about the parameters of a population and the reliability of statistical relationships, typically on the basis of random sampling.</em>

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Step-by-step explanation:

Hope this helps, have a good day. c;

4 0
3 years ago
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A family needs to build fencing around their rectangular
lilavasa [31]

Answer:

38

160

40

Step-by-step explanation:

If you are given a rectangular home and a square swimming pool, with dimensions of Pool = 2x & home = (2 +5x) & (3+10x) The total amount of fencing they need can be written as x + 10. If x = 5; The family needs 5 yards of fencing for their home. The family needs 10 yards of fencing for their pool.

may I have brainliest?

8 0
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Complete the statement below to explain how this model shows that 1/3÷1/5=5/3
Galina-37 [17]
To divide by a fraction, multiply by the reciprocal of that fraction.

1/3 • 5/1 or 1/3 • 5


Calculate the product straight across.

1/3 • 5/1 = 5/3



3 0
3 years ago
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