MATHEMATICS MIDDLE SCHOOL

Combine like terms 3Y plus Y plus 6Y

Answers

Answer 1

Answer:

3y+y+6y

Notice that all these terms have the 'y' variable in them, meaning they are all like terms.

'y' by itself acts as a One, when adding it to other like terms.

3y+6y=9y

Then, add the singular y to the equation = 9y+y=10y

Answer 2

Answer: 10y. That is the answer

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Test review ? Can you help me with solving 1-3 please
a shape is made with two squares. the total area of the shape is 25 square meters. one of the squares has an area is 9 square meters. what is the area of the others square?
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out of the 25 students in Mrs.Green's class 19 have a pet What percent of the students in Mrs.Green's class have a pet

Answers

$method\ \#1\n\n(19)/(25)*100\%=(19*4)\%=\boxed{76\%}\n\nmethod\ \#2\n\n \begin{array}{ccc}25&-&100\%\n\n19&-&p\ \%\end{array}\ \ \ |cross\ multiply\n\n\n25\cdot p=100\cdot19\n25p=1900\ \ \ \ \ |divide\ both\ sides\ by\ 19\n\boxed{p=76\ (\%)}$

Final answer:

To find the percentage of students in Mrs. Green's class having a pet, divide the number of students with pets by the total number of students and multiply by 100. Therefore, 76% of the students in Mrs. Green's class have a pet.

Explanation:

This question involves the concept of percentage in mathematics. To find out what percent of students in Mrs.Green's class have a pet, you can follow these steps:

Identify the total number of students which is 25.
Identify the number of students who have a pet which is 19.
Divide the number of students with pets by the total number of students: 19 ÷ 25 = 0.76.
Now, to convert this number into a percentage, multiply it by 100: 0.76 × 100 = 76%. So, 76 percent of the students in Mrs.Green's class have a pet.

Learn more about Percentage here:

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An equilateral triangle with height 30 yards. Find the perimeter and area.

Answers

The perimeter of the triangle is 60√3. The area of the triangle is 900 / √3 square units.

What are an area and perimeter?

The space occupied by any two-dimensional figure in a plane is called the area. The space occupied by the triangle in a two-dimensional plane is called the area of the triangle.

The perimeter of the triangle is the sum of all the sides of the triangle.

Perimeter will be calculated as:-

P = 3 x a

Sin60 = 30 / a

a = 60 / √3

P = 3 x ( 60 / √3)

P = 60√3

The area will be calculated as:-

Area = 1 /2 x H x a

Area = 1/2 x 30 x 60 /√3

Area = 900 / √3 square units

To know more about an area of a triangle follow

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30 • 3 = 90

90 yards is the permimeter

1/2bh=a
1/2(30)(30)
15(30)
450 square yards is the area

Question 2. I give thanks and 5 stars :D

Answers

OK! I usually find the Lateral Area first. To do this you would take the outside side, not the circle bases. To find the LA you would do 2 times pi times the radius times the height of the cylinder, so 2πrh. THen you would find the SA of the bases, you would do pi times r squared, so πr^2. So, to find the SA of a cylinder, you would do 2πrh + πr^2

360 Kilometers is 24% of _____ Kilometers

Answers

Divide 360 by 24 to find 1%. Then multiply by 100. 360/24 *100= 1500

Answer:

1500

Step-by-step explanation:

Cross multiply then divide with that number and 100

I think omg im bad at this

What kind of triangle has angles 35,110,35

Answers

when 2 angles in a triangle are congruent, this means that the two sides opposite these angles are congruent as well.

so the answer is the name of the triangle with 2 congruent sides.

Hope this helps!

Guys Can someone help me...Thanks

Answers

Answer:

6x - 1 = - x - 9

Step-by-step explanation:

- 4 - 5 = - 9

6x-1=-3x-4+2x-5
6x-1=-x-9

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