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Yanka [14]
2 years ago
10

Can somebody do my math for me ill give you brainlist and 50 points

Mathematics
2 answers:
erastova [34]2 years ago
8 0
I can, type questions
Grace [21]2 years ago
7 0
What type of math is it?
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Simplify the following expression: -7(3e-2f+4)+6e-2
tankabanditka [31]

Answer:

-15e+14f-30

Step-by-step explanation:

First using distributive property to expand the first term:

-21e+14f-28+6e-2

Combining like terms:

-15e+14f-30

3 0
2 years ago
How do the constant of proportionality and slope relate to the unit rate
Pepsi [2]

Answer:

When a relationship is proportional, all y over x ratios simplify to the slope of the line which is the constant of proportionality or the unit rate, with one as a denominator. Example: Consider the equation y = 60x. The slope is 60. The rate of change is 60 units for every one unit.

Step-by-step explanation:

7 0
3 years ago
A mold professional uses an antimicrobial chemical in an attic to combat a colony of mold. If the initial number of mold spores
kykrilka [37]

It would take about 57 hours for the number of spores to be less than 500 spores.

<h3>Exponential Function</h3>

An exponential function is in the form:

y = abˣ

Where y,x are variables, a is the initial value of y and b is the multiplication factor.

Let y is the number of pores after x hours.

a = 6200, b = 100% - 20% = 0.8, hence to be less than 500 spores:

6200(0.8)^\frac{x}{5} < 500

(x/5) * ln(0.8) < ln(0.08)

x > 56.4 hours

It would take about 57 hours for the number of spores to be less than 500 spores.

Find out more on Exponential Function at: brainly.com/question/12940982

4 0
2 years ago
What fraction is equivalent to 123.5%
AURORKA [14]
 The fraction 123.5/100 or <span>1 47/200 are equivalent.</span>
3 0
2 years ago
What is the equation of the line that passes through (-3,-1) and has a slope of 2/5?
barxatty [35]

Answer:

y = mx + b

-1 = 2/5(-3) + b

-1 = -6/5+b

-1 + 6/5 = -6/5 + 6/5 + b

1/5 = b

y = 2/5x + 1/5

Step-by-step explanation:

  1. write down the slope-intercept form formula
  2. identify your x and y of the point
  3. replace x and y by the point
  4. multiply m and x
  5. do addition to get b
  6. write down the equation by replacing m and b with their values
3 0
3 years ago
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