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kenny6666 [7]
3 years ago
13

PLZ HELP ME!!!!!!!!!!!

Mathematics
1 answer:
Fiesta28 [93]3 years ago
5 0
WAT SCHOOL U GO TO AND GRADE 

POLL 1. D
POLL 2. D
POLL 3. A
POLL 4. A
POLL 5. C
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In a weightless environment, an astronaut lose about 1.5% calcium in their bodies per month. Suppose some astronauts flew to Mar
Usimov [2.4K]

Answer:

  12.3 months

Step-by-step explanation:

You want the number of months (m) such that ...

   1 - 17% = (1 -1.5%)^m

Taking logarithms:

  log(0.83) = m·log(0.985)

  m = log(0.83)/log(0.985) ≈ 12.3 . . . . months

5 0
3 years ago
Sarah Sandoval is a coffee farmer trying to decide how many tons of coffee to produce. She can sell each ton of coffee for $2,40
Alexandra [31]

Answer:

Sarah should produce four tons of coffee and total cost for four ton is $6,000.

Step-by-step explanation:

According to the scenario, calculation of the given data are as follows,

Selling price per ton = $2,400

Cost of production is increasing by $600 for each ton.

So, Cost of production first ton = $600

Cost of production for second ton = $600 + $600 = $1,200

Similarly, Cost of production for third ton = $1,200 + $600 = 1,800

Cost of production of fourth ton = $1,800 + $600 = $2,400

Here, Sarah can produce coffee till selling price = cost of production.

As, cost of production of four ton = selling price, then Sarah can produce only four tons of coffee.

Total cost for four ton coffee = $600 + $1,200 + $1,800 + $2,400

= $6,000

8 0
2 years ago
How do you solve this system by substitution. Y= -5x+3<br> -x-7y=13
geniusboy [140]
<span>A) Y= -5x+3
B) -x -7y = 13 substituting equation A) into B)
B) -x -7*(-5x +3) = 13
</span>
<span>B) -x +35x -21 = 13
B) 34x = 34
x = 1
</span>
<span>A) Y= -5*1 +3
A) Y= -2

</span>
3 0
3 years ago
Find the slope of (2,3) and (6,7)
Brut [27]
To find the slope, we must use the formula stated below.

Slope = Change in Y / Change in X = (Y1 - Y2) / (X1 - X2)

Since our coordinates are given as (X, Y), we must pick a coordinate to be #1, and the other coordinate will be #2.

I'll use the first coordinate as our #1.

(3 - 6) / (2 - 7) = (-3) / (-5) = 3/5 which is our answer
6 0
3 years ago
25 POINTS!!!
malfutka [58]

Answer:

C≈61.89

C=3830.37

Step-by-step explanation:

A≈615.75

7 0
2 years ago
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