MATHEMATICS HIGH SCHOOL

Anyone now the answer to this? i really need help

Answers

Answer 1

Answer:

Answer:

x=7.5

Step-by-step explanation:

3(x+4.5)=36

Distribute

3x+13.5=36

36-13.5=22.5

3x=22.5

22.5/3=7.5

x=7.5

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PLEASE HELP ME!!!!!!!!! I'LL MARK YOU BRAINLIEST IF YOU ANSWER THESE CORRECTLY!Find the value of x

Answers

Answer:

question 4 ... x = -11

question 5.... x = -7

question 6... x = 12

question 7.... x = 10

Step-by-step explanation:

number 4

note : the total angle of a triangle is 180 degrees

hence solve this by creating an equation

x + 51 + 60 + 80 = 180

x = 180 - 80 -60-51

x = -11

number 5

note : the total angle of a triangle is 180 degrees

hence solve this by creating an equation

remember that a right angle is 90 degrees

45 + 52+x + 90 = 180

x = 180 - 90 -52 -45

x = -7

number 6

note : the total angle of a triangle is 180 degrees

hence you can solve this by creating an equation

53 + 39+ 4+7x = 180

now make x the subject of the equation

7x = 180 - 53 - 39 - 4

7x = 84

x = 84/7

x = 12

number 7

note : the total angle of a triangle is 180 degrees

hence solve this by creating an equation

6x - 5 + 5x + 75 = 180

now make x the subject of the equation

6x +5x = 180 - 75 + 5

11x = 110

x = 110/11

x= 10

As the angles of the triangle are equal to 180
Therefore,
180=53+39+4+7x
180-96=7x
84=7x
X=12
Part 2
180=5x+6x-5+75
180-70=11x
110=11x
X=10
This is for page 1 questions

Plz help A right triangle has legs with lengths 7 cm and 24 cm.What is the length of the hypotenuse?

Answers

C²=A²+B²
C²= 7² + 24²
C²= 49 + 576
C²= 625
C=√625
C=25

Answer:

C = 25 Centimeters

If (x1, y1) = (2, 3); x2= 3 and y3 = -2 and G is (0,0), Find y2 and x3.

Answers

Its very simple\

To find the values of x2 and y2 for point G(0,0) when you are given that G is the midpoint of points (x1, y1) and (x3, y3), you can use the midpoint formula:

Midpoint formula:

(x, y) = ((x1 + x3) / 2, (y1 + y3) / 2)

Given:

(x1, y1) = (2, 3)

G(0, 0)

Plug these values into the midpoint formula:

(0, 0) = ((2 + x3) / 2, (3 + y3) / 2)

Now, solve for x3 and y3:

For x3:

0 = (2 + x3) / 2

Multiply both sides by 2 to isolate x3:

0 = 2 + x3

Subtract 2 from both sides to find x3:

x3 = -2

For y3:

0 = (3 + y3) / 2

Multiply both sides by 2 to isolate y3:

0 = 3 + y3

Subtract 3 from both sides to find y3:

y3 = -3

So, the values are:

x3 = -2

y3 = -3

Therefore, the coordinates for point (x2, y2) are:

x2 = 3

y2 = -3

What does square root x^16 equal?

Answers

sqrt(x^16) is x^8.
As you can see, x^8 * x^8 = x*x*x*x*x*x*x*x * x*x*x*x*x*x*x*x which equals x^16
I don't know why Cortesalondra28 deleted my answer to the question and sayid it was wrong..

the square root is of 16 is 4, not 8.

While your statement X*X*X*X*X*X*X*X * X*X*X*X*X*X*X*X does equal x^16, that is not what the question is asking.

The diagonals of parallelogram ABCD intersect at point E. Which of the following statements is not necessarily true?a. BD bisect AC
b. AB=CD
c. BAD=BCD
d. AC=BD