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Makovka662 [10]
3 years ago
11

Need help solving #7 please

Mathematics
1 answer:
ELEN [110]3 years ago
5 0

Answer:

False

Step-by-step explanation:

The equation says 21 is greater than or equal to 27, so it is false

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A tree that grows 3 feet every 5 years is growing at a rate of ___ feet per year.
Anni [7]
Answer: 0.6

Reason: 3 divide by 5 is 0.6
8 0
3 years ago
Read 2 more answers
At the basketball game, Leo scored points in 30% of his attempts. Which of the following statements is true?
Nuetrik [128]

Answer:

C. Leo scored points in 3/10 of his attempts

Step-by-step explanation:

30% is 30/100

Which can simplify to

3/10

5 0
3 years ago
What is equation for the line that is perpendicular to y-3=-4(x+2) and passes through the point (-5,7)
jekas [21]

Answer:

y-7=1/4(x+5)

Step-by-step explanation:

y-3=-4(x+2)

y=-4x-8+3

y=-4x-5

-----------

y-y1=m(x-x1)

y-7=m(x-(-5))

y-7=m(x+5)

perpendicular means negative reciprocal of the slope,

so the slope will be 1/4

y-7=1/4(x+5)

4 0
3 years ago
A particular bacterium population is found to double the in 20 minutes. If a laboratory culture
insens350 [35]

The bacteria present at t=37 minutes is found to be 8.40, with no change in growth rate.

<h3>What does population growth exponentially mean?</h3>

When a population's per capita growth rate remains constant, regardless of population size, exponential growth occurs, causing the population to grow exponentially as the population increases.

Given:

P = 340

It has been discovered that a specific bacterial population doubles in 20 minutes.

k = 2/20 = 0.1

t = 37 minutes

We know that,

P = P₀e^{kt}

340   = P₀(e^{0.1*37})

340 =P₀(40.44)

P₀ = 8.40

As a result, the bacteria that will be present in t=37 minutes is found to be 8.40 with no change in growth rate.

Learn more about exponential growth here:

brainly.com/question/13223520

#SPJ9

4 0
1 year ago
ANSWER ASAP
Nadusha1986 [10]
Y=mx+b
m=0.5
b is value of y in y-intercept, b=-2

The equation of this line is
y=0.5x-2

When x=4
y=0.5x-2=y=0.5*4-2=2-2 = 0
When x=4, y=0.

6 0
3 years ago
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