Mathematics High School

can someone plz help me solve this equation :)
6 - (3x + 10) + 4(2 - x) = 15
a) 12 - 7x = 15
b) 4 - 4x = 15
c) 4 - 7x = 15

Answers

Answer 1

Answer:

4 - 7x = 15

Step-by-step explanation:

6 - 3x -10 + 8 - 4x = 15

4 - 7x = 15

Related Questions

Mark has a collection of $20 bills and $5 bills. He has a total of 6 bills totaling $75.00. How many of each type of bill does he have?

You have to write and solve the system using elimination or substitution, please help

Answers

Answer:

He has 3 $20 and 3 $5

Step-by-step explanation:

20 x 3 = $60

5 x 3 = $15

15 + 60 = $75

Part A
The graph shows the volume of water in a sink, x minutes after the faucet is turned on.


What is the slope of the line?

Slope =

Part B
Connor says that the graph shows that water is flowing at a rate of 2 gallons per minute. Is he correct?

a. Connor is correct because the rate of water flowing is equal to the slope. Water is flowing in at a rate which is about 2 gallons per minute.

b. Connor is not correct because the rate of water flowing is greater than the slope. Water is flowing in at a rate which is slower than 2 gallons per minute.

c. Connor is not correct because the rate of water flowing is not equal to the slope. Water is flowing in at a rate which is slower than 2 gallons per minute.

d. Connor is correct because the rate of water flowing is less than the slope. Water is flowing in at a rate which is faster than 2 gallons per minute.

Answers

Answer:

Part A: ½

Part B: c. Connor is not correct because the rate of water flowing is not equal to the slope. Water is flowing in at a rate which is slower than 2 gallons per minute.

Step-by-step explanation:

Part A:

Slope of the proportional graph = y/x

Using the point on the line, (4, 2),

Slope = 2/4 = ½.

Part B:

Since the slope of the graph bus ½, it shows that the water is flowing at a rate of ½ gallon per minute. Therefore, Connor is NOT CORRECT.

The rate of water Connor stated does not correspond with the rate shown by the slope. The slope of the graph, ½, shows that the water is flowing at a much slower rate than at the rate of 2 gallons per minute, which Connor stated.

The right answer is C.

A train company moves people between Boston and Providence every day. They travel from city to city 7 times each day. The distance between the two cities is 48 miles. In​ February, there are 28 days. The​ company's budget allows for​ 15,000 total miles in February. Do you think the budget is​ reasonable? Explain.

Answers

Answer: the budget is reasonable since the calculated distance travelled hasn’t exceeded the budget

Step-by-step explanation:

Given data:

Distance between two cities = 48 miles

Number of days available in February = 28

February budget = 15000 miles

Solution:

If the distance between two cities = 48 miles, and 7 trips are made daily

= 48miles * 7

= 336 miles is travelled each day.

For February

= 28days * 336

= 9408 miles.

Budget – travel distance covered ( February)

= 15,000 - 9408

= 5592 miles.

The budget is reasonable because, by following the travel pattern or history the total travelled miles would be 9408 miles for February which is below the budget allowed by the company for the month.

So the budget is reasonable since the calculated distance travelled hasn’t exceeded the budget.

Can u help me with this please

Answers

1. Turkey trot
2. Pumpkin pie
3. Family dinner
4. Mashed potatoes
5. Football
6. Wishbone
7. Cut the turkey
8. Beans (I can’t tell what the first emoji is)
9. Cornucopia
10. Black Friday

Answer:

1. turkey trolley

2. pumpkin pie

3. family dinner

4. smashed potatoes

5. football

6. wishbones

7. kill the turkey

8. green beans

9. corn you policeman xD

10. black friday

some of the stuff i know but i tried

Step-by-step explanation:

Find the mean, variance and standard deviation of the binomial experiment. In a recent survey, 70% of the community favored building a police substation in their neighborhood. If 30 citizens are chosen, what is the mean number favoring the substation? What would be the variance and standard deviation of their responses?

Answers

Answer: Mean = 21 , Variance = 6.3 , standard deviation =2.51

Step-by-step explanation:

Formula for the mean, variance and standard deviation of the binomial experiment :

[tex]Mean = np\\\\ Variance = np(1-p)\\\\ Standard\ deviation = \sqrt{variance}[/tex]

, where n= sample size , p= population proportion.

As per given, p= 70%=0.7 , n=30

[tex]Mean = 0.7\times30=21\\\\Variance =(30)(0.7)(1-0.7)=(21)(0.30)=6.3\\\\ Standard\ deviation = \sqrt{6.3}\approx2.51[/tex]

Hence, Mean = 21 , Variance = 6.3 , standard deviation =2.51

Jade takes 5 minutes more than twice as long as Binh to ride to their friend’s house. If Binh takes x minutes to ride to his friend’s house, how long will it take Jade?

Answers

Answer:

It will take Jade (2x + 5) minutes

Step-by-step explanation:

Let us find the expression that represents the time Jade will take

∵ Binh takes x minutes to ride to his friend’s house

∴ The time Binh takes = x minutes

∵ 5 more means + 5

∵ Twice means × 2

∵ Jade takes 5 minutes more than twice as long as Binh to ride to their

   friend’s house

→ Multiply the time Binh takes by 2 and add the product by 5

∵ Binh takes x minutes

∴ The time Jade takes = 2 × x + 5

∴ The time Jade takes = 2x + 5 minutes

∴ It will take Jade (2x + 5) minutes

square root -100= ___+___i

Answers

Answer is 10i

Step-by-step explanation:

CDE~CKJ

HELP PLEASE!!!

Answers

Answer is: D. 6
If it helps pls give me brainliest

Answer:

nah i said D first

\

Step-by-step explanation:

The sum for three numbers is 57 the second number is 2x the first the third number is 18 less than the second what is the third number

Answers

Step-by-step explanation and answer:

consider the numbers x,y,z

X+y+z=57

2x=y-6

y=10+z

y=2x+6

z=y-10

=2x+6-10

z=2x-4

x+y+z=57

x+2x+6+2x-4=57

5x+2=57

5x=55

x=11

y=27

z=18

T=4U/E SOLVE FOR U please please please help please thank you

Answers

TE/4 =U
Step by step
You multiply both sides by E to get rid of it then you have TE =4U and then u divide it by 4 and get TE/4 =U

Select the best answer.
1. A principal spent $1780 on c calculators
for her school. Write an expression that
shows the cost of one calculator?

Answers

Equation to find cost of one cal.
= 1780/c
1780/c as 1780$ is spent on c calculators

Help me pls this is a test I need a good grade

Answers

Answer:

81.05/20 is the better deal and the unit rate is $4.05

Step-by-step explanation:

hopefully this helps :)

Answer:

the second deal is better. the unit rate is 4.05/gal

Step-by-step explanation:

106/25=4.24

81/20=4.05

Sara borrows $56 from her mother to buy a new pair of jeans. If
Sara decreases her debt by $4 each week, how many weeks will
it take her to pay off the whole amount she owes her mother?

Answers

Answer:

Have an amazing night/day!

Step-by-step explanation:

14 i think ill edit if im wrong

Pleaseeee help im confused best answer will get brainliest.

Answers

Answer:

17y-9x

Step-by-step explanation:

12y-6x+5y-3x

12y+5y-6x-3x

17y-9x

Which statement about this figure is true?

Answers

Answer:

Reflectional symmetry with one line of symmetry

Step-by-step explanation:

You can add a line of symmetry right down the middle that would make the left and right of the figure symmetrical, so it is reflectional with one line of symmetry.

The rectangle is 94 m long and 58 m wide find the area use the

Answers

Answer:

Area = 5452

Step-by-step explanation:

Area = l times w

94 x 58 = 5452



The ratio of boys to girls in a class is 7:5. There are 36 students in the class. How many
students are girls?

Answers

Answer:

There are 15 girls and 21 boys

Step-by-step explanation:

Answer:

15 girls

Step-by-step explanation:

Given f(x)=2x-10. Evaluate f =24

Answers

Answer:

The answer is 17.

Step-by-step explanation:

Plug 24 in at the end where "f" isAdd 10 to both sides.Divide Both sides by 2Get answer of 17

The lesser of the two solutions to x(x + 4) = 21 is:

Answers

Answer:

Lesser is -7

Step-by-step explanation:

x(x+4) = 21

Distribute

x^2 + 4x = 21

x^2 + 4x - 21 = 0

x^2 + 7x - 3x -21 = 0

(x+7)(x-3) = 0

x=-7, 3

PLS MARK BRAINLIEST

need answer asap! will give brainiliest!!!
what are the steps for graphing linear equations?​

Answers

Чтобы построить линейное уравнение, мы можем использовать наклон и точку пересечения по оси Y.
Найдите точку пересечения оси Y на графике и нанесите точку.
С этого момента используйте наклон, чтобы найти вторую точку и построить ее.
Проведите линию, соединяющую две точки.

To graph a linear equation, we can use the slope and y-intercept.
Locate the y-intercept on the graph and plot the point.
From this point, use the slope to find a second point and plot it.
Draw the line that connects the two points.
to graph you can use slope and y-intercept.

Hi can someone plz help me thank you

Answers

Cube it’s a cube Buddha
Cube, hope this helps!!

Determine the
constant of
proportionality.

Answers

Answer:

Step-by-step explanation:

Time is 2 miles 110 is 55 miles per hr

5 hrs *55 mph= 275

12*55= 660

Yes it is in proportion.

What’s the constant of proportionality of the relationship shown in the graph?

Answers

Answer: The constant is 3. Explanation: Every time the x value is highered by 1, the y value gets highered by 3. hopefully this helps

Answer: It's 3

Step-by-step explanation:

pleaseee help

6x7/8=
5/6x2/5=

Answers

6×7/8 =5 1/4 and 5/6x2/5= 1/3

Pleas help me with this I hate math

Answers

Answer:

Not a function, as it fails the vertical line test.

Step-by-step explanation:

I dislike math as well.

Answer:

B. not a function

Step-by-step explanation:

One x value has more than one specific y value. To be a function one x value cannot have more than one specific y value.

30 POINTS!! WHOEVER ANSWERS FIRST GETS BRAINLIEST! Jim wanted to find out what the audience thought about the debate. After the event,
Jim stood at the exit to survey every fifth guest.
Was this a random or a biased sample and why?
O A.
This was a biased sample. Jim should interview all in attendance.
OB.
This was a census. Any guest may have participated.
OC.
This was a random sample. It may not have included anyone in attendance.
O D.
This was a random sample. It may have included anyone in attendance.

Answers

Answer:

c

Step-by-step explanation:

i know its c

Answer:

Bru you did not give 30 points smh but its c

Step-by-step explanation:

Keith is saving money for a car. He has saved the same amount each year for the past three years, and records of how much he has at the end of each year in the table below.

What is Keith's unit rate of change of dollars with respect to time; that is; how much does Keith save in one year?

the unit rate is blank dollar per year.​

Answers

Answer:

keith saves 1500 dollars per year

Which graph shows the line y=35x−3?

Answers

Answer:

the last picture

Step-by-step explanation:

the one where the line hits the -3 mark on the y-axis

Answer:

this is how the graph should look

Step-by-step explanation:

Paige works at a department store and has a commission rate of 3 percent. Her sales for the quarter were $4,596. If
she eams $50 per day and she worked 30 days in the quarter, what is the total amount she earned?

O $137.88
o $450.00
O $1,500.00
o $1,637.88
1637.88

Answers

Answer:

d

Step-by-step explanation: please mark brainliest

HELP RN PLEASE!!! Jesse has a total of $2.90 in quarters and dimes. If Jesse has a total of 17 coins, how many quarters does Jesse have?

Answers

Answer:

0.09

Step-by-step explanation:

2.90/17= 0.17086....

0.17086.../2=9

She has 8 quarters.
8 quarters times 0.25 cents is 2 dollars.
9 dimes plus two dollars is $2.90 dollars.
These quantities of dimes and quarters together make 17 total coins and a total of $2.90.
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