I really need help with this pls help

The Larger of two numbers is 27 more than the smaller. When added together , the sum of the larger number and five times the sma

Genrish500 [490]

Answer:

Small no. is 15

Larger no. is 15 + 27 = 42

Step-by-step explanation:

Let the small no. be x

Larger no. will be x + 27

5x + x + 27 = 117

6x + 27 = 117

6x = 117-27

x = 90/6

x = 15

4 0

3 years ago

The value of y varies directly as the square of x and y=27 when x=9. Find the equation represents this relationship. Report the

skad [1K]

Answer:

The relation between x and y is

$y=\frac13 x^2$

Step-by-step explanation:

Given that,

The value of y varies directly as the square of x.

$y\propto x^2$

$\Rightarrow y=rx^2$

where r is constant of proportional.

Given that,

y= 27 and x=9

Plug y= 27 and x=9 in above relation

$y=rx^2$

$\therefore 27=r(9)^2$

$\Rightarrow 27 = r.81$

$\Rightarrow r=\frac{27}{81}$

$\Rightarrow r=\frac{1}{3}$

The relation between x and y is

$y=\frac13 x^2$

8 0

3 years ago

Problems 40-45 I need assistance with

Greeley [361]

40. Multiply each row in the first matrix by each column in the second matrix.

The answer would be C.

41. E. Matrix

42. D. Transformations

43. C. determinants

44. B. equal matrices

45. A. Zero matrix

7 0

4 years ago

Which of these could be the dimensions of a unit cube? Select all that apply.

Lapatulllka [165]

Answer:

c and e

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

As the sample size for a t-distribution increases, the differences between the t-distribution and the standard normal distributi

scZoUnD [109]

Answer:

The differences become smaller

Step-by-step explanation:

Normally, we use the t-distribution table rather than the normal distribution when the population standard deviation is unknown and when the sample size is small i.e. less than 30.

Now, as the sample size gets bigger, we will be getting closer to the point where we have to use the normal distribution.

This means that as the sample size increases, the values of the t-distribution will be getting close to that of the normal distribution because normal distribution is used when sample is more than 30.

For example the t-value for a sample of 25 people would be closer to the normal distribution value for a sample of 35 people while a t-value for a sample of 15 people will be far away from the normal distribution value for a sample of 35 people.

Thus, as the sample size increases, the differences between the t-distribution and standard normal distribution becomes smaller.

4 0

4 years ago