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almond37 [142]
3 years ago
6

How many solutions does this equation have? –5d + 6 = 6 − 5d

Mathematics
1 answer:
Zanzabum3 years ago
5 0

Answer:

maannnyyy

Step-by-step explanation:

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What is the total area of this composite figure rounded to the nearest hundredth?
weqwewe [10]

Answer:

choice #4, total=31.14 mm^2

Step-by-step explanation:

14x2=28 is area of rectangle

1^2xPi=area of small circle

3.14=area of small circle

total=31.14 mm^2

7 0
3 years ago
g In R simulate a sample of size 20 from a normal distribution with mean µ = 50 and standard deviation σ = 6. Hint: Use rnorm(20
Illusion [34]

Answer:

> a<-rnorm(20,50,6)

> a

[1] 51.72213 53.09989 59.89221 32.44023 47.59386 33.59892 47.26718 55.61510 47.95505 48.19296 54.46905

[12] 45.78072 57.30045 57.91624 50.83297 52.61790 62.07713 53.75661 49.34651 53.01501

Then we can find the mean and the standard deviation with the following formulas:

> mean(a)

[1] 50.72451

> sqrt(var(a))

[1] 7.470221

Step-by-step explanation:

For this case first we need to create the sample of size 20 for the following distribution:

X\sim N(\mu = 50, \sigma =6)

And we can use the following code: rnorm(20,50,6) and we got this output:

> a<-rnorm(20,50,6)

> a

[1] 51.72213 53.09989 59.89221 32.44023 47.59386 33.59892 47.26718 55.61510 47.95505 48.19296 54.46905

[12] 45.78072 57.30045 57.91624 50.83297 52.61790 62.07713 53.75661 49.34651 53.01501

Then we can find the mean and the standard deviation with the following formulas:

> mean(a)

[1] 50.72451

> sqrt(var(a))

[1] 7.470221

5 0
3 years ago
A scientist is studying the growth of a particular species of plant. He writes the following equation to show the height of the
gtnhenbr [62]

At day 0 the height of the plant = 12 cm

Calculate how many days  to get to 16.13 cm:-
16.13  = 12(1.03)^n

1.03^n = 16.13 / 12 = 1.34417
n = ln 1.34417 / ln 1.03  = 10  days

I would think that a reasnable domain would be   0 =< n <= 100
5 0
3 years ago
What perfect swuare lies between 120 and 130
Natalka [10]

Answer:

the perfect squares between 120 and 300 are the squares of numbers from 11 to 17. Clearly, these are 7 in number.

Step-by-step explanation:

5 0
3 years ago
Why did the picture go to jail (big ideas math puzzle time, red book,common core)
Margarita [4]

Possibly because it was framed.


3 0
3 years ago
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