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tresset_1 [31]
4 years ago
14

PLEASE HURRY

Mathematics
2 answers:
snow_lady [41]4 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]4 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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Answer:

Step-by-step explanation:

(x-6)² + y²-8y = 0

Put the equation into center-radius form.

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3 years ago
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3 years ago
Which ordered pair represents a reflection of the point (- 3, 5) across the yaxis?
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6 0
3 years ago
School taxes for a local district are 2.5% of a household's income. The Smith household earns $80,000 per year. How much do the
pav-90 [236]
Percentage of school taxes that need to be paid for a local district = 2.5%
Amount of income made by the Smith Household per year= $80000
Amount of money paid by the Smith's per year as school taxes = (2.5/100) * 80000
                                                                                                     = 2.5 * 800
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So $2000 is the amount that the Smith's household needs to pay as school taxes every year. I hope the procedure needs no further clarification and the answer is what you were looking for.
6 0
3 years ago
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