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2 years ago

Simplify this expression 6x -8y -5x + 3y

Mathematics

2 answers:

drek231 [11]2 years ago

7 0

Answer:

x-5y

Step-by-step explanation:

combine the X's and Y's

natali 33 [55]2 years ago

6 0

6x-5x-8y+3y
x-5y
Answer= x-5y

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Use trigonometry to find the value of x. Round your answer to the nearest whole degree

Paladinen [302]

70% degree I hope that’s the right answer

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3 years ago

What are the coordinates of the point on the directed line segment from (-1, -1) to

Studentka2010 [4]

The partitions involves dividing the line into subsegments

The coordinate of the point on the directed line segment is (0.5,-2)

<h3>How to partition the line?</h3>

The given parameters are:-

line segment = (-1, -1) to (5,-5)

Segment ratio = 1 : 3

The coordinates of the partition is calculated as:

$(x,y) = (\frac{mx_2 + nx_1}{m+ n},\frac{my_2 + ny_1}{m+ n})$

Substitute known values

$(x,y) = (\frac{1 *5 + 3 * -1}{1+ 3},\frac{1 *-5 + 3 * -1}{1+ 3})$

Evaluate the products

$(x,y) = (\frac{2}{4},\frac{-8}{4})$

Evaluate the quotients

$(x,y) = (0.5,-2)$

Hence, the coordinate of the partition is (x,y) = (0.5,-2)

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2 years ago

Rational number<br> between 2 and 3?

oksian1 [2.3K]

Answer:

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Step-by-step explanation:

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3 years ago

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An anthropologist studies a woman's femur that was uncovered in Madagascar. To estimate the woman's height, he uses the equation

Norma-Jean [14]

Answer:

The inequality best represents the length of the femur that would suggest the woman had a height greater than 160 cm is:

f > 40

Step-by-step explanation:

Woman's height (cm): h = 60 + 2.5 f

Length of the femur (cm): f

Height greater than 160 cm:

h > 160

Replacing h by 60+2.5f in the inequality above:

60+2.5f > 160

Solving for f: Subtracting 60 both sides of the inequality:

60+2.5f-60 > 160-60

Subtracting

2.5f > 100

Dividing both sides of the inequality by 2.5:

2.5f/2.5 > 100/2.5

f > 40

Answer: The inequality best represents the length of the femur that would suggest the woman had a height greater than 160 cm is:

f > 40

5 0

3 years ago

A carpenter goes through 3.4 boxes of nails

jeka57 [31]

4.5 boxes of nails are required for finishing 2 tables

Step-by-step explanation:

Given:

3.4 boxes of nails are required for finishing 1.5 tables

Required:

How much boxes of nails would he use for finishing 2 tables

Solution:

We can solve using Unitary Method:

Nails needed to finish 1.5 tables = 3.4 boxes

Nails needed to finish 1 table = $\frac{3.4}{1.5}\,\,boxes$

Nails needed to finish 2 tables = $\frac{3.4}{1.5}*2 =4.5\,\,boxes$

So, 4.5 boxes of nails are required for finishing 2 tables.

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3 years ago