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grin007 [14]
3 years ago
12

1 point What is 20% of 60? Type your answer...​

Mathematics
2 answers:
Lilit [14]3 years ago
8 0

Answer: 12

Step-by-step explanation:

alekssr [168]3 years ago
7 0

Answer:12

60×.20= 12

I hope this is good enough:

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The width of the figure below is 5 units. The perimeter of the figure is 18 units. What is the length of the figure in units?
Talja [164]
The perimeter is all sides length added together. You can make an equation:5+5+x+x where x is the length.
5+5=10    18-10=8     There is two sides so you do eight divided by two
The length is 4

4 0
4 years ago
Read 2 more answers
The difference of the square of a number and 24 is equal to 5 times that number. Find the negative solution.
SVEN [57.7K]

Answer:

n = -3

Step-by-step explanation:

The difference of the square of a number and 24 is equal to 5 times that number. Find the negative solution.

I'm going to call the number "n."

n² - 24 =  5n      subtract 5n from both sides to get the equation equal to zero

- 5n        -5n

n² - 5n - 24 = 0   factor the trinomial into the multiplicatin of two binomials

                          we need factors (numbers that multiply) to -24 that add up to

                          -5.  The only factors for -24 that will add up to -5 are -8 and 3.

(n-8)(n+3) = 0     set each binomial equal to zero and solve for n

n-8  =  0     or    n+3  =  0

 +8    +8               -3     -3

 n   =  8     or        n  = -3       n = -3 is the negative solution

3 0
3 years ago
F ( x ) = -x^3 + 3x^2 + 4x -5 x = -3<br> Answear ?
Ivan

Answer: u spelt answer wrong f ( x f ( x ) = -x^3 + 3x^2 + 4x -5 x = -3

Step-by-step explanation:

7 0
3 years ago
The ages of adults in a certain community follow a normal distribution with mean 38 and standard deviation 6. The random variabl
nataly862011 [7]

Answer:

a = 33.32

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 38, \sigma = 6

P(32 < x < a) = .0590

This is the pvalue of Z when X = a subtracted by the pvalue of Z when X = 32.

X = 32

Z = \frac{X - \mu}{\sigma}

Z = \frac{32 - 38}{6}

Z = -1

Z = -1 has a pvalue of 0.1587

X = a

p - 0.1587 = 0.0590

p = 0.0590 + 0.1587

p = 0.2177

So when X = a, Z has a pvalue of 0.2177. So when X = a, Z = -0.78.

Z = \frac{X - \mu}{\sigma}

-0.78 = \frac{X - 38}{6}

X - 38 = -0.78*6

X = 33.32

So a = 33.32

3 0
3 years ago
Hector water his lawn if it does not rain at least 1 1/2 inches each week. It has already rained 3/8 inch this week. Which inequ
cluponka [151]
C r> inequality 1 1/8

Hope this helps!


5 0
4 years ago
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