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4 years ago

What is the common difference in this sequence? 10, 17, 24, 31,...

Mathematics

2 answers:

Viefleur [7K]4 years ago

8 0

The common number would be 7.

baherus [9]4 years ago

5 0

The common difference is every number going up is counting by 7

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Dale mixed 5.9 grams of salt into a pot of soup he was cooking. Before he served the soup, Dale added 0.31 grams of salt. How mu

belka [17]

Answer:

Dale put 6.21 grams of salt into the soup in all

Step-by-step explanation:

Arithmetic

There are situations where different mathematic operations must be done in order to find the required results. Four operations are known as basics in arithmetic: addition, subtraction, multiplication, and division.

The question describes how Dale added 5.0 grams of salt into a pot of soup and then he added 0.31 grams of salt more. This means the total amount of salt added by Dale into the soup is the sum of both quantities:

Total salt added = 5.9 grams + 0.31 grams = 6.21 grams.

Dale put 6.21 grams of salt into the soup in all

8 0

4 years ago

HELP what is the value of “ c”

Alex

Answer:

Step-by-step explanation:

When you match the form

... ax² + bx + c = 0

to the equation

... 3x² + 5x + 7 = 0

it is reasonable to conclude that ...

... a = 3, b = 5, c = 7.

_____

The question presumes you are familiar with the form

... ax² +bx +c = 0

which is often used as the representation of a general quadratic equation. This lets us use a, b, and c instead of specific numbers, to talk about ways of factoring, graphing, or solving equations like this.

6 0

4 years ago

What are the range values of the function f (x ) = 3x + 4 for the domain values {-5, -1, 0, 2, 7}?

Airida [17]

Answer:

Range values are:

{-11, 1, 4, 10, 25}

Step-by-step explanation:

Domain values are the possible x values that can be entered into the function, or the inputs. Range values are the y values, or the outputs. By inserting every value in the set into the function, we get the outputs (y values)

-15 + 4 = -11

-3+4 = 1

0 + 4 = 4

6 + 4 = 10

21 + 4 = 25

Remember to put them in order.

7 0

3 years ago

Help me pleaseeeeeeee

slamgirl [31]

Slope Formula: $m= \frac{ y_{2} }{ x_{2} } - \frac{ y_{1} }{ x_{1} }$

I am going to show you how to do this on problem 6, and you will do the rest of the problems.

Here are the steps to solving problem 6

Step 1) Substitute the coordinates into the slope formula

$\frac{-1-2}{-18-(-8)}$

Step 2) Now Lets simplify the denominator, so we don't have two Subtractions symbols.

$\frac{-1-2}{-18+8}$

Step 3) Simplify

$\frac{-1-2}{-18+8} = \frac{-3}{-10}$

Step 4) We can still simplify more

$\frac{-3}{-10} = \frac{3}{10}$

Hope This Helps ... Good Luck

[The reason I didn't do all of them is because you need to know how to do them. Trust me later on knowing these is going to be very handy.]

5 0

3 years ago

assume the age of night school students is normally distributed. A simple random sample of 24 night school students had an avera

aleksley [76]

Let
n = number of data
s = standard deviation (sample)
S = standard deviation (population)

The working equations is

$\frac{(n-1) s^{2} }{ x^{2}_{right} } \ \textless \ S^{2} \ \textless \ \frac{(n-1) s^{2} }{ x^{2}_{left} }$

To find $x^{2}_{right}$ , : (1 - 0.90)/2 = 0.05

To find $x^{2}_{left}$ , : 1 - 0.05 = 0.95

Degrees of freedom = n-1 = 24 - 1 = 23

This is shown in the figure attached. Since there is no row for df=23, we interpolate. Thus,

$x^{2}_{left} = 13.093$

$x^{2}_{right} = 35.17$

Substitute all values,

$\frac{(24-1) 5.6^{2} }{ 35.17} \ \textless \ S^{2} \ \textless \ \frac{(24-1) 5.6^{2} }{ 13.093} }$

Thus the answer is,

$20.51\ \textless \ S^{2} \ \textless \ 55.09$

5 0

3 years ago