MATHEMATICS HIGH SCHOOL

Please Help! I have 2 questions,1. Which of the following best describes the solution to the equation below?
8+2x = 1/2(16+4x)

2. Which value of x makes the following equation true?
5(x - 1) = - 3x + 35

Answers

Answer 1
Answer: 2. 5(x-1)=-3x+35
5x-5=-3x+35
5x=-3x+30
2x=30
x=15

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Theorem: The segment joining the midpoints of two sides of a triangle is parallel to the third side and half its length.A two column proof of the theorem is shown but the statement and reasons are not in correct order.
Use completing the square to solve (x – 12)(x + 4) = 9 for x.
When the equation a – bx = cx + d is solved for x, the result is x = .Use the general solution to solve 5 – 6x = 8x + 17.
Mrs. Klein surveyed 240 men and 285 women about their vehicles. Of those surveyed, 155 men and 70 women said they own a red vehicle. I g a person is chosen at random from surveyed, what is the probability of choosing a women or a person who does not own a red vehicle?
Nets that will form into a cube

Solve for u.
140-u= 232

Answers

Answer:

-92

Step-by-step explanation:

first you subtract 140 from 232 and that gies you

-u=92

then you divide by negitive 1

Answer:

u=90

Step-by-step explanation:

What is the constant of proportionality in the equation StartFraction x over y EndFraction = StartFraction 2 over 9 EndFraction?StartFraction 2 over 9 EndFraction
2
StartFraction 9 over 2 EndFraction
9

I NEED HELP QUICK!

Answers

We have been given an equation (x)/(y)=(2)/(9). We are asked to find constant of proportionality from our given equation.

We know that two directly proportional equations are in form y=kx,where y is directly proportional to x and k is constant of proportionality.

Let us rewrite our given equation by cross multiplying as:

2y=9x

Now we will divide both sides of equation by 2.

(2y)/(2)=(9x)/(2)

y=(9)/(2)x

We can see that our equation is in form y=kx and constant of proportionality is (9)/(2).

Answer:

9

----

2

Picture:

Please help
I need it right now
thank you

Answers

Answer: Okay, I can't answer 1. and 2. because I don't know who Iris is, an the team/students

Send a pic of the teams

Step-by-step explanation:

Bill can hammer 20 nails in 6 minutes. Jeff can do the same job in only 5 minutes . How long will it take them to finish if Bill hammers the first 5 nails, then Jeff hammers for 3 minutes then Bill finishes the job?A. 4.6 minutes
B. 5.0 minutes
C. 5.4 minutes
D. 5.8 minutes
E. 6.0 minutes

Answers

Bill hammers 20 nails in 6 minutes.
==> It takes him 6/20 = 0.3 minutes to hammer one nail.
==> If the total job is 20 nails, then he does 1/6 of the job in 1 minute.

Jeff hammers 20 nails in 5 minutes.
==> It takes him 5/20 = 0.25 minutes to hammer one nail.
==> If the total job is 20 nails, then he does 1/5 of the job in 1 minute.

Notice that the question doesn't say what size job they're assigned.
I'll assume it's a 20-nail job.

First step: Bill hammers 5 nails.
At 0.3 minutes per nail, that takes Bill 5 x 0.3 = 1.5 minutes

Second step:  Jeff hammers for 3 minutes.
At 0.25 minute per nail, he adds 3/0.25 = 12 nails to Bill's 5, for a total of 17 so far.

Third step:  Bill finishes the job.
There are (20 - 17) = 3 nails left to go.
At 0.3 minutes per nail, this takes Bill 3 x 0.3 = 0.9 minutes.

First step . . . . .  1.5 minutes
Second step . . . 3    minutes
Third step . . . . . 0.9 minutes
Total . . . . . . . . .5.4minutes

How many sides does a triangle have? Quickly!

Answers

Hey there! 
A triangle is made up of 3 sides and also has 3 angles. All the angles of a triangle add up to 180.
Thank you! :D

According to the table listing average daily expenses for a tourist by country based on high and medium categories, Brazil has a range from $12.25 to $18.33, and Greece has a range from $9.48 to $16.55. Which of the two countries has the larger difference between categories?a.Greece

b.Brazil

Answers

Answer:

Option a. Greece.

Step-by-step explanation:

According to the table listing average daily expenses for a tourist by country based on high and medium categories,

Brazil has a range from = $12.25 to $18.33

Greece has a range from = $9.48 to $16.55

To find out the difference in range, first we get range of both the countries.

by subtracting lowest from highest

Brazil = $18.33 - $12.25 = 6.08

Greece = $16.55 - $9.48 = 7.07

= 7.07 > 6.08

Therefore, Greece has the larger difference between categories.

Option a. Greece is the correct answer.
that should be answer no.a

18.33-12.25=6.08
16.55-9.48=7.07
7.07 > 6.08
so the answer should be no.a
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