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Vera_Pavlovna [14]
3 years ago
12

What is the common difference for this aritmetic sequence -5,-1,3,7,11

Mathematics
2 answers:
Yuri [45]3 years ago
4 0

Answer:

4

Step-by-step explanation:

Subtract any number from the next number.

7 - 3 = 4

Katen [24]3 years ago
3 0

\huge{\boxed{4}}

The common difference is the number that is added each time to get the next one.

In this case, \boxed{4} is added to each number. Take 3 and add 4 to get 7.

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heather writes the equations below to represent two lines drawn on the coordinate plane. –6x 18y = 0 4x – 12y = 20 after applyin
Tju [1.3M]

The <em><u>correct answer</u></em> is:

The equation has no solution; therefore, the system of equations has no solution.

Explanation:

When solving a system of equations, after we combine the equations, if we find that there is no solution, that means that there is no solution to the entire system of equations.

7 0
3 years ago
Read 2 more answers
HELP!!!! What is-15=(3x-10)-5x
omeli [17]

Answer:

<h2>x = 2.5</h2>

Step-by-step explanation:

-15=(3x-10)-5x\\\\-15=3x-10-5x\qquad\text{combine like terms}\\\\-15=(3x-5x)-10\\\\-15=-2x-10\qquad\text{add 10 to both sides}\\\\-15+10=-2x-10+10\\\\-5=-2x\qquad\text{divide both sides by (-2)}\\\\\dfrac{-5}{-5}=\dfrac{-2x}{-2}\\\\2.5=x\to x=2.5

3 0
3 years ago
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How much money is a 20% down payment on a $23,900 car?
vlada-n [284]

Answer:

$4,780

Step-by-step explanation:

20% x 23,900= 4,780

5 0
3 years ago
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PLEASE HELP, ASAP! PLEASE AND THANK YOU!
Gala2k [10]

Answer:

The answer to your question is 6.- B    7.- D

Step-by-step explanation:

Data

Parallelogram ACFG

6.-

m∠GAC = 112°

m∠ACF = ?

Process

These angles are supplementary, they measure the same.

                  ∠GAC + ∠ACF = 180

-Substitution

                      112 + ∠ACF = 180°

-Solve for ∠ACF

                      ∠ACF = 180° - 112°

-Result

                      ∠ACF = 68°

7.-

m∠AGF = 2a + 10

m∠ACF = a + 20

The angles ∠GAC and ACF are equal, they measure the same.

                   ∠GAC = ∠ACF

-Substitution

                   a + 20 = 2a + 10

-Solve for a

                   a - 2a = 10 - 20

-Result

                   -a = -10

                    a = 10

-Find ∠AGF

      ∠AGF = 2(10) + 10

                 20 + 10

                = 30°

3 0
3 years ago
IQ test scores are standardized to produce a normal distribution with a mean of = 100 and a standard deviation of = 15. Find the
mixas84 [53]

Answer:

0.01

Step-by-step explanation:

Using the z score formula

z = (x-μ)/σ,

where x is the raw score = 135

μ is the population mean = 100

σ is the population standard deviation = 15

z = 135 - 100/15

z = 2.33333

P-value from Z-Table:

P(x<135) = 0.99018

P(x>135) = 1 - P(x<135)

P(x > 135) = 1 - 0.99018

= 0.0098153

Approximately to 2 decimal places

= 0.01

Therefore, the proportion of the population for the following IQ score of 135 is 0.01

4 0
3 years ago
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