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3 years ago

Combine the like terms to create an equivalent expression 9y+y

Mathematics

1 answer:

Harman [31]3 years ago

3 0

For this case we have the following expression:

$9y + y$

We must add similar terms, for this we must take into account that:

Equal signs are added and the same sign is placed.

Then, we can rewrite the expression given as:

$9y + y = 10y$

Answer:

$9y + y = 10y$

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Write the first six terms of the arithmetic sequence with the given first term, a 1, and common difference,

-Dominant- [34]

$a_1=a_1\\a_2=a_1+d\\a_3=a_2+d=a_1+2d\\a_4=a_3+d=a_1+3d\\a_5=a_4+d=a_1+4d\\a_6=a_5+d=a_1+5d$

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3 years ago

1. (6.2 lesson) Calculate the value of z. (Round to the hundredth) *

matrenka [14]

Answer:

The answer is explained below

Step-by-step explanation:

The question is not complete, I would explain how to calculate the value of Z

The z score is a measure in statistic used to determine the number of standard deviations by which the raw score if from the mean of a normal distribution. If the z score is positive then the raw score is above the mean while if a z score is negative the raw score is below the mean. The z score (z) is given by the formula:

$z=\frac{x-\mu}{\sigma}$

Where x is the raw score, μ is the mean and σ is the standard deviation.

Let us assume that the mean (μ) = 20 and the standard deviation (σ) = 3. To calculate the z score for x = 30 it is given by:

$z=\frac{x-\mu}{\sigma}=\frac{30-20}{3}=3.33$

4 0

4 years ago

Find the square roots of 16

Dmitry [639]

Answer:

The square roots of 16 is 256.

4 0

3 years ago

Read 2 more answers

Please help asap. I will give brainliest

alexandr1967 [171]

Answer:

#1 20

#2 17

#3 14

#4 14

#5 12

#6 14

#7 10

#8. 20

#9. 20

Step-by-step explanation:

1 12+8=20

2 10+7=17

3 8+6=14

4 8+6=14

5 10+2=12

6. 8+6=14

7 4+6=10

8. 12+8=20

9 14+6=20

Now honey I can't do all your work for you im.not trying to be mean but work some.out heres a tip use a calculator to help you when you get stuck ask me your question and then I will hold you ok

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2 years ago

Solve the following system of equations:

grin007 [14]

A) 4x − 2y − z = −5
B) x − 3y + 2z = 3
C) 3x + y − 2z = −5
Looking at ALL 4 solutions, x =0 in all of them.
So, let's say x = 0, eliminate the "x's" and just keep equations B and C

B) -3y + 2z = 3
C) y − 2z = −5
Add B) and C)
-2 y = -2
y = 1

1 − 2z = −5
-2z = -6

z = 3

and x = 0

7 0

3 years ago