MATHEMATICS MIDDLE SCHOOL

( and ) means bigger than and smaller thenWrite the resulting inequality

-5 ( -2 add 7 to both sides

-6 ( -3 divide both sides by -3

7) - 4 subtract 7 from both sides

-1 ) -8 multiply both sides by -2

Answers

Answer 1
Answer: < and > means greater than or less than**

Anything that is closer to the positive side of the number line is considered greater.
So, 
 
All are true.

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Use absolute value to express the distance between −13 and 17 on the number line.

Answers

I cant draw to show it on the number line

A boy who is 3 feet tall can cast a shadow on the ground that is 7 feet long. How tall is a man who can cast a shadow that is 14 feet long? Solve this problem by setting up a proportion. Show your work.

Answers

As you can see 7-3=4 and you just subtract 3 from 14 

It is a Proportion

So 14-3=11

Rewrite the parametric equation by eliminating the parameter x=4t+1 and y=t-3

Answers

Answer:

The equation is x = 4y + 13

Step-by-step explanation:

* Lets talk about the parametric equations

- Parametric equations are a set of equations that express a set

 of quantities as explicit functions of a number of independent

 variables

- Ex: x = at + b and y = ct + d are parametric equations

- We use them to find relation between the variables x and y

* Lets solve the problem

∵ x = 4t + 1 ⇒ (1)

∵ y = t - 3 ⇒ (2)

- The parameter is t to eliminate it find t in terms of x or y

- We will use equation (2) to find t in terms of y

∵ y = t - 3 ⇒ add 3 to both sides

∴ t = y + 3 ⇒ (3)

- Substitute the value of t in equation (3) in equation (1)

∵ x = 4t + 1

∵ t = y + 3

∴ x = 4(y + 3) + 1 ⇒ open the bracket

∴ x = 4y + 12 + 1 ⇒ add like term

∴ x = 4y + 13

* The equation is x = 4y + 13

Which statement best describes the area of the triangle shown below? A coordinate grid is shown with a triangle.. The base is 4 units, and the height is 4 units. A It is one-half the area of a rectangle of length 4 units and width 2 units.B.It is one-half the area of a square of side length 4 units.
C.It is twice the area of a rectangle of length 4 units and width 2 units.
D.It is twice the area of a square of side length 4 units.

Answers

Answer:

The answer is B.It is one-half the area of a square of side length 4 units.

Step-by-step explanation:

Given a coordinate grid shown with triangle of measurements with base 4 units and height also 4 units.

We have to find the area of triangle which can be calculated as

⇒ Area=(1)/(2) * base * height

                  = (1)/(2)* 4 * 4=8squareunits

we have to choose the statement describes the area of the triangle evaluate above.

Option A: Not matched ∵equals to (1)/(2)[area of rectangle of length 4 units width 2 units]= (1)/(2)* 4 * 2=4 sq units                                  

Option B: matched : given one-half the area of a square of side length 4 units.

⇒ (1)/(2)* 4 * 4=8 squnits

Option C : Not matched : It is twice the area of a rectangle of length 4 units and width 2 units

⇒2* length* breadth=2* 4* 2=16 sq units

Option 4 : Not matched : It is twice the area of a square of side length 4 units.

⇒ 2* 4 * 4=32 squnits

So, the correct option is B. It is one-half the area of a square of side length 4 units.

Answer:The answer is B.

I just took the test and got it right!!

Step-by-step explanation:

Have a great day guys!

What is 9/10 take away 4/10

Answers

(9)/(10) - (4)/(10) = (9-4)/(10) =\boxed{\bf{(5)/(10)=(1)/(2)}}
9/10 - 4/10 is just 9-4=6 and put that over 10 so you get 6/10.  If you have to reduce just do it by 2 on both.  6/2= 3 and 10/2=5 so 2/5. 

Which statement defines the word markup

Answers

Answer:

A markup is a change from the retail price that goes up by a certain percentage. It can go up from 1% all the way to 300%, depending on how much the retailer wants the price to increase.

Step-by-step explanation:
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