MATHEMATICS MIDDLE SCHOOL

Which points are 3.5 units apart?A.(7.5, 1.2) and (7.5, –2.3)
B.(7.5, –3.5) and (7.5, 3.5)
C.(7.5, 1.2) and (7.5, 2.3)
D.(7.5, –3.5) and (7.5, 7)

Answers

Answer 1
Answer:

The points between whom the distance is 3.5 units apart are (7.5, 1.2) and (7.5, -2.3).

What is time taken in kinematics? What is a mathematical function, equation and expression?

  • distance formula : The distance formula is given by -

       $d = √((x_2 - x_1)^2 + (y_2-y_1)^2)\n

  • function : In mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y. The set X is called the domain of the function and the set Y is called the codomain of the function.
  • expression : A mathematical expression is made up of terms (constants and variables) separated by mathematical operators.
  • equation : A mathematical equation is used to equate two expressions.

Given is to find the points between whom the distance is 3.5 units apart.

Using the distance formula for the points (7.5, 1.2) and (7.5, -2.3), we get-

d² = (- 2.3 - 1.2)² + (7.5 - 7.5)²

d² = (3.5)²

d = 3.5 units

Therefore, the points between whom the distance is 3.5 units apart are (7.5, 1.2) and (7.5, -2.3).

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Answer 2
Answer: (7.5, 1.2) and (7.5, –2.3) 
hope this helps 

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What is the value of the 4 in 46,000?

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The value of 4 in 46,000 is 10,000's or ten-thousends
The value of the 4 in 46,000 is:

Ten thousand's or it can be 10,000's

Hope I Helped You!!! :-)

Have A Good Day!!!

forty children from an after-school club went to matinee. this is 25% of the children in the club. how many children are in the club?

Answers

The total number of children in the club is given by the equation A = 160 students

What is an Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the total number of students be represented as A

Now , the equation will be

The number of students who went to the matinee = 40 students

The percentage of students who went to the matinee = 25 %

So ,

percentage of students who went to the matinee  x total number of students = number of students who went to the matinee

Substituting the values in the equation , we get

( 25 % ) x A = 40

On simplifying the equation , we get

( 25/100 ) x A = 40

A / 4 = 40

Multiply by 4 on both sides of the equation , we get

A = 160 students

Therefore , the value of A is 160 students

Hence , the equation is A = 160 students

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25% of 40 is 40 times 25 divided by 100 which is 10 (number of children in the club)

What is the area of the shaded reigon? Round to the nearest hundredth.

Answers

Area of full circle = πr^2

= 3.14 * 12^2

=3.14 * 144

=452.16 cm^2

Area of rectangle = l x w

= 10 * 3

= 30 cm^2

Area of shaded region:

452.16 - 30 = 422.16 cm^2

2. What will the cumulative AD shift be for the increased G?A. $50 billion
B. $500 billion
C. $950 billion
D. $450 billion

Answers

Answer:

a sorry if not right

Step-by-step explanation:

How do I simplify:S=2 Pi r squared + 2 Pi r h

Then how do I make h the subject

Then what is the value of h if S=50 and r=3

Thanks

Answers

S=2\pi r^2+2\pi rh\n\n2\pi rh+2\pi r^2=S\ \ \ \ \ \ |subtract\ 2\pi r^2\ from\ both\ sides\n\n2\pi rh=S-2\pi r^2\ \ \ \ \ \ \ |divide\ both\ sides\ by\ 2\pi r\n\n\boxed{h=(S-2\pi r^2)/(2\pi r)}\n\nS=50;\ r=3\n\n\boxed{h=(50-2\pi\cdot3^2)/(2\pi\cdot3)=(50-2\pi\cdot9)/(6\pi)=(50-18\pi)/(6\pi)} < 0-no\ sense\n\nI\ think...\ S\ not\ equal\ 50!!!

Write an expression using the distributive property that can be used to find the quotient 56 divided by 4

Answers

50/4 + 6/4 that is how Dp can be used to solve this
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