MATHEMATICS COLLEGE

-1/2+c=31/4 solve for c I will give branliest

Answers

Answer 1
Answer:

Answer:

c = 8.25

Step-by-step explanation:

31/4 = 7.75

-1/2 = -.5

7.75 - (-.5) = 8.25

Hopefully this helps you :)

pls mark brainlest ;)

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PLEASE HELP QUICKi don't understand this problem

Julio is planning activities for a trip that lasts from Thursday to Sunday. He is interested in visiting a museum, hiking the trails, attending the food festival, riding a jet ski, exploring a famous park, or going shopping. each activity takes a full day, and he will not do any activity twice. Julio wants to either visit a museum or explore the park on Thursday, and he is definitely attending the food festival on Saturday. How many different ways can he plan activities for his trip?A)24
B)30
C)40
D)120

Answers

Thursday: 2 choices {museum, park}

Friday: 4 choices {shopping, jet ski, hiking, and the choice not chosen for Thu}

Saturday: 1 choice {food}

Sunday: 3 choices {the remaining 3 after Friday's choice}

The total number of ways these choices can be arranged is 2×4×1×3 = 24

The apprpropriate selection is A) 24.

Make a conjecture. How could the distance formula and slope be used to classify triangles and quadrilaterals in the coordinate plane? Check all that apply. Use the distance formula to measure the lengths of the sides. Use the slope to determine whether opposite sides are parallel. Use the slope to check whether sides are perpendicular and form right angles. Use the distance formula to compare whether opposite sides are congruent. Use the slope to check whether the diagonals are perpendicular to each other. Use the distance formula to compare whether diagonals are congruent.

Answers

Answer:

1. Use the distance formula to measure the lengths of the sides.

3. Use the slope to check whether sides are perpendicular and form right angles.

5. Use the slope to check whether the diagonals are perpendicular to each.

Step-by-step explanation:

We know that, the distance formula given by

d = \sqrt{ ({y_(2)-y_(1)}) ^(2)+({x_(2)-x_(1)}) ^(2)},

gives the length of the line joined by (x_(1),y_(1)) and  (x_(2),y_(2)).

Now, after using this formula, if:

1. The length of the opposite sides are equal, then the quadrilateral could be a rectangle or a parallelogram.

2. The length of all sides are equal, then the quadrilateral could be a square or a rhombus.

So, this gives us option 'Use the distance formula to measure the lengths of the sides' is correct.

Now, we use slope to find the angles i.e. If:

1. The product of two slopes is -1, then the lines are perpendicular and so, forms right angle between them.

2. The slope of two lines are equal, then the lines are parallel.

So, this gives us that the option 'Use the slope to check whether sides are perpendicular and form right angles' is correct.

Since, some quadrilaterals have the property that the diagonals are perpendicular bisector of each other.

So, the option 'Use the slope to check whether the diagonals are perpendicular to each other' is also correct.

Hence, option 1, 3 and 5 are correct.

Using a limited selection from among the options, a quadrilateral, or

triangle can be classified into one of the eleven classes.

The correct options are;

  • Use the distance formula to measure the lengths of the sides
  • Use the slope to determine whether the sides are perpendicular and form right angles
  • Use the slope to check whether the diagonals are perpendicular

Reasons:

The classification of triangles are;

Right triangles; Having  two legs that are perpendicular

Isosceles triangles; Having two sides equal

Equilateral triangles; Having all sides equal

Scalene triangle; Have all sides of different dimensions

Classification of quadrilaterals are;

Kite, rhombus, rectangle, parallelogram, square, trapezoid, isosceles trapezoid

Use the distance formula to measure the lengths of the sides;

  • The above process can be used to classify parallelograms, equilateral triangles, isosceles trapezoids, kite
  • The process can be used to classify all triangles

Use the slope to determine whether the sides are perpendicular and form right angles;

  • The above process can be used to differentiate parallelogram from squares and rectangles, kite trapezoid
  • The process can be used to determine if the triangle is a right triangle

Use the slope to check whether the diagonals are perpendicular;

  • The above process can be used to  differentiate squares from rectangles, kite, and rhombus

Learn more about slope, distance formula, triangles and quadrilaterals here:

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8 is to 32 as 9 is to N? What is N?

Answers

We have given 8 is to 32 as 9 is to N. After figuring that 4 is multiple,  So, the value of N is 36.

What is the unitary method?

The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.

We have given 8 is to 32 as 9 is to N.

We need to find the value of N.

8 times 4 is 32.

After figuring that 4 is multiple,

We can see that multiplying 9 by 4 gives the N.

9 times 4 is 36.

So, the value of N is 36.

Learn more about the unitary method;

brainly.com/question/23423168

#SPJ2
36, 8 times 4 is 32. After figuring that 4 is the multiple, you would multiply 9 by 4 giving you the N.

HELP!!! find the value of x

Answers

Answer:

don't know

.....................

Answer:

x = 12

Step-by-step explanation:

Consider three orthogonal triangles (see picture)

1. The smallest triangle

2. The medium triangle

3. The big triangle that holds both triangles.

All are orthogonal (or right triangles) so you can use Pythagoras Theorem:

"The area of the square whose side is the hypotenuse is equal to the sum of the areas of the squares on the other two sides"

Use Pythagoras theorem on triangle 1.

a^(2) = 3^(2) + 6^(2) = 45

Now user Pythagoras on triangle 2.

b^(2) = x^(2) + 6^(2) = x^(2) + 36

Now use Pythagoras on triangle 3 (the big triangle).

(3 + x )^(2) = a^(2) + b^(2)\nx^(2) + 6x + 9 = a^(2) + b^(2)

Now replace the values for a^(2) and b^(2) from the two equations derived from triangle 1 and 2:

x^(2) + 6x + 9 = 45 + x^(2) + 36

The two x^(2) get cancelled out, so:

6x + 9 = 45 + 36\nx = 12

TA DA!

Choose correct way to rewrite 56% as a decimal number.A.
0.056
B.
0.56
C.
5.6

Answers

Answer:

 The correct answer is:  [B]:  " 0.56 " .

Step-by-step explanation:

Note:

 " 56%   = " ((56)/(100)) " ;

              =  (56) ÷ (100)  =  0.56  ;  

  →  which corresponds to:  " Answer choice:  [B]: " 0.56 " .

______________________________________________
You would write 56% as 0.56.

[(√4 + 3)2 – 9] / (√9 – 1)3 * 2

Answers

Answer:

(1)/(12)

Step-by-step explanation:

((√(4) + 3)2 - 9)/( (√(9) - 1)3 * 2)=((2+3)2-9)/((3-1)6)=(10-9)/(2*6)=(1)/(12)
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