MATHEMATICS HIGH SCHOOL

What are the measurements???

Answers

Answer 1

Answer:

Answer:

angle 4 is 31

angle 5 is 59.

Step-by-step explanation:

M<4 and M<5 add up to a right angle which is 90 degrees . so you put it in a equation form.

2x-5+4x-13=90

rearrange it

2x+4x-5-13=90

6x-18=90

add 18 on both sides

6x=108

divide 6 from both sides

and you get x= 18

Plug in x for angle 4 =2(18)-5 = 31

plug in x for angle 5 = 4(18)-13 = 59

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What is the first step in solving the quadratic equation x2-40=0

Answers

Answer:

Hello my friend! The first step is to isolate the x and the 40 like this: x2 = 40.

Step-by-step explanation:

After you do that, you can perform the inverse operation of the x2, wich is the sqrt of 40. This way, you will have x=sqrt40 . X~=6.32

Answer:

The answer is B

Step-by-step explanation:

Lines that are parallel have the same slope or else no slope.

Answers

this is true, if that's what your looking for. because theyre parallel they have to same slope.

Joseph's taxi charges $10.00 for the initial service of any drive. Then, the fee for each mile is $0.75. Which type of function is represented by this situation?1) linear
2) exponential
3) quadratic
4) absolute value

Justify your answer

Answers

Undoubtedly this will be represented by a LINEAR FUNCTION

The function mentioned is:

P(x) = 10 + 0.75 x

where P(x) is the Function Pricing
x refers to the miles

This function is classified as Linear Function (f(x) = ax + b and is represented by a line

Solve the equation :

2(2n + 5) = 12 ???? answer please

Answers

$2(2n+5)=12\n\n4n+10=12\ \ \ \ | subtract\ 10\n\n4n=2\ \ \ \ | divide\ by\ 4\n\nn=(2)/(4)=(1)/(2)$

2(2n+5)=12
4n+10=12
-10 -10
-----------------
4n = 2
4n/4 =2/4
n=0.5

the area of a rectangle is 54x^9y^8 square yards if the length of the rectangle is 6x^3y^4 yards what expression represents the width of the rectangle in yards

Answers

For this case we have:
The area of a rectangle is given by:
A = (w) * (l)
Where,
w: width
l: long
Substituting values we have:
(54x ^ 9y ^ 8) = (w) * (6x ^ 3y ^ 4)
Clearing w we have:
w = (54x ^ 9y ^ 8) / (6x ^ 3y ^ 4)
Rewriting:
w = (9 * x ^ 6y ^ 4)
Answer:
the length of the rectangle is:
w = (9 * x ^ 6y ^ 4)

If m < 0 and b > 0, the graph of y = mx + b does not pass through which quadrant?Quadrant I
Quadrant II
Quadrant III
Quadrant IV

Answers

Answer:

Quadrant III

Step-by-step explanation:

The attached picture shows graph of 4 such linear functions with the conditions given in the problem. ALL of them DO NOT pass through Quadrant III.

The graphs shown are of the functions:

$y=-2x+1$