MATHEMATICS MIDDLE SCHOOL

Please answer g + 3g and 8d - d with work shown FAST PLEASE

Answers

Answer 1
Answer:

Answer:   g + 3g = 4g

and 8d - d = 7d

If you have to combine them it would be 7d + 4g

Step-by-step explanation:

Imagine a "1" in front of any letter/variable that you have to add or subtract
Answer 2
Answer:

Answer:

g+3g would be 4g since they stack.      8d-d would be 7d.

Step-by-step explanation:

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Good integer examples that would equal 36
You play video games online. When you sign up with the game site, you get 400 points. You earn 50 more points for each hour that you play. How many hours do you have to play to get to 1,000 points?
PLEASE HELP ME ON THIS QUESTION
How do you write 7.8 x 10squared in standard form
Carla adds together the multiples of 3, in order and tell her friends to guess which number was the last one she added if her total is 84​

Question 3, I give thanks and 5 stars so you get more points :P

Answers

The probability would be 2/11 because there are two markers that are purple and gray. Also, there are 11 markers. So my final answer is 2/11.

Lia measures a wall of her room to be3.7 meters by 2.45 meters. How many significant figures are in this measurement of its areas? Explain.

Answers

Answer:

Number of Significant Figures: 4

Step-by-step explanation:

The Significant Figures are 9, 0, 6 & 5

Hope this helps!

Here's a chart to help you continue finding any more you need help on!

Number            How many sig. Sides?        Which figures are sig?

81                                         2                                8, 1

26.2                                     3                                2, 6, 2

0.007                                   1                                 7

5200.38                               6                               5, 2, 0, 0, 3, 8

380.0                                   4                                3, 8, 0, 0

78800                                  3                                7, 8, 8

Find the values of x and y in the diagram​ and show work please it's for geometry class

Answers

Answer:

x = 10

y = 70

Step-by-step explanation:

By using the vertical angles theorem we know that x+ y +10 = 90, also simplified to x + y = 80

and 2x + y = 90

By using the substitution method on x + y = 80, it will be y = -x + 80

When you put into the equation 2x + y = 90 you will get 2x -x +80 = 90

Then it will simplify to x = 10

After that plug 10 into x + y = 80 to 10 + y = 80 and get y = 70

Y=4x-2 y= 3x+1? What’s the (x,y)?

Answers

Idk this cause my teacher. Any teach

Answer:

simplify 4(y/3 - 1/3) - 2

y = 4y/3 - 10/3

x = y/3 - 1/3

Write 0.000038 in scientific notation.

Answers

0.000038 = 3.8e-5 = 3.8×10⁻⁵ 
0.000038 => 10^-5 * 38

A girl weighs 58 as much as her brother does. If the girl weighs 110 lb, how much does her brother weigh?

Answers

110 divided by 5 = 22

22 x 8 = 176

176 lbs is the brother's weight.

Hope this helps!
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