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3 years ago

-7x + 9 In the expresion show, which of the following is the constant?

Mathematics

2 answers:

Colt1911 [192]3 years ago

6 0

Answer:

Step-by-step explanation:

The constant is the plain number that doesn't have a letter attached.

Komok [63]3 years ago

5 0

Answer:

9 is the constant

Step-by-step explanation:

-7 is the coeffiecent (the number multipled/divided by the variable)

x is the variable (unknown number)

+ 9 is the constant (a number that is NOT multiplyed/divided by the varaible)

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7x+2y=4 y=x+1 Solve the system of equations. (1/3,4/3) (2/9,11,9) no solution

Lunna [17]

Answer: SECOND OPTION

Step-by-step explanation:

You can solve the system of equations by the method of substitution:

- You must susbtitute the second equation into the first equation and solve or x:

$7x+2(x+1)=4\\7x+2x+2=4\\9x=4-2\\9x=2\\x=\frac{2}{9}$

- Now, you must susbtitute the value of x obtained above into the second equation to calculate the value of y. Then, you have:

$y=\frac{2}{9}+1\\\\y=\frac{2+9}{9}\\\\y=\frac{11}{9}$

Therefore, you obtain:

( $\frac{2}{9},\frac{11}{9}$ )

4 0

4 years ago

Read 2 more answers

A published report of a repeated-measures research study includes the following description of the statistical analysis. "The re

balandron [24]

Answer:

3 treatment conditions were compared in the study.

14 individuals participated in the study.

Step-by-step explanation:

Consider the provided information.

Part (A) How many treatment conditions were compared in the study?

There are two sets of degrees of freedom; one for the numerator and one for the denominator.

F ratio is defined as: $df=(df_{\text{Between treatment}}, df_{error})$

The formula for between treatment is: $df_{\text{Between treatment}}=k-1$

Substitute $df_{\text{Between treatment}}=2$ in above formula.

$2=k-1$

$k=3$

Therefore, 3 treatment conditions were compared in the study.

Part (B) How many individuals participated in the study?

The error degree of freedom is $df_{error}=(k-1)(n-1)$

Substitute $df_{error}=26$ and k=3 in above formula.

$26=(3-1)(n-1)$

$26=2(n-1)$

$14=n$

Hence, 14 individuals participated in the study.

3 0

3 years ago

Which answer is the correct form of bar notation for this decimal number: 4.676767…

Rudiy27

Hello There!

Well all of your answer options are the same so i suppose they are all right.

Hope This Helps You!
Good Luck :)

4 0

4 years ago

Read 2 more answers

Two stores offer differently priced sales for the same paper towels, according to the table below. Which store offers the better

blondinia [14]

Answer:
Store 1 has the better deal.

Explanation:
If you divide the amount the prices by the amount of paper towel roll, you would see store 1 has the better deal.

3.60 divided by 12 = 0.30
3.50 divided by 10 = 0.35

As you can see, store 1 is less expensive than store 2. Therefore, store 1 is the better deal.

7 0

3 years ago

You make 42,500 and your spouse makes 37750 . using the 20% to 25% range , calculate the least and the greatest amount you shoul

Zepler [3.9K]

If you make 42,500 and your spouse makes 37750, then using the 20% to 25% range, the least and the greatest amount you should spend on housing is $50,00. The correct answer to the following given statement above is 50 dollars.

8 0

3 years ago