PLEASE HELP ME ITS 9TH GRADE MATH

PLEASE HELP ME ITS 9TH GRADE MATH

Answers

Answer 1

Answer:

(-0.5,0)

Step-by-step explanation:


Related Questions

x^2=5 using exponents

Answers

Answer:

±√5 are the solutions to x^2=5

Step-by-step explanation:

Write out x^2=5.  Now enclose each of the two sides in parentheses.  Apply the exponent (1/2) to both sides:

(x^2)^(1/2) = (5)^(1/2)

The left side simplifies to x and the right side to ±√5.

So ±√5 are the solutions to x^2=5.

If you know that A neq 0 and B neq 0, how can you write an equation in point-slope form of the equation Ax + By = C?

The equation of the line in point slope form when y and x neq 0 is:

Answers

Answer:

no

Step-by-step explanation:

Under her cell phone plan, Avery pays a flat cost of $58.50 per month and $5 per gigabyte. She wants to keep her bill at $64.50 per month. Write and solve an equation which can be used to determine x, the number of gigabytes of data Avery can use while staying within her budget.

Answers

Answer:

x=1

Step-by-step explanation:

64.50=5x+58.50

64.50=5(1)+58.50

64.50=63.50 CORRECT

It can't be 2 because it will be over 64.50

5(2)+58.50

10+58.50

68.50 WRONG

Avery can use up to 1.2 gigabytes of data while staying within her budget of $64.50 per month.

The equation to determine the number of gigabytes of data Avery can use while staying within her budget can be written as:

$58.50 + $5x = $64.50

Where:

$58.50 represents the flat cost per month

$5x represents the cost based on the number of gigabytes used (x gigabytes)

$64.50 is the total budget she wants to stay within

To solve for x, we can subtract $58.50 from both sides of the equation:

$5x = $6.00

Then, divide both sides by $5:

x = 1.2

So, Avery can use up to 1.2 gigabytes of data while staying within her budget of $64.50 per month.

To know more about equation:

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DONT CLICK ON THIS IF YOU DONT KNOW THE RIGHT ANSWER.


State what additional information is required in order to know that the triangles are congruent for the reason given.

Answers

YW has to be congruent to US

Answer:

The last sides on both triangles must have the three lines shown in the picture, because that shows that those sides are congruent. SSS stands for side side side, and the I and II shows that those sides are congruent.

Step-by-step explanation:

Given the diagram below 1 and 8 are examples of:

Answers

Answer:

option B is correct answer.

Step-by-step explanation:

Alternate exterior angles are <1 and <8.

hope this helps you.

Two boats leave the same marina. One heads north, and the other heads east. After some time, the northbound boat has traveled 16 miles, and the eastbound boat has traveled 12 miles. How far apart are the two boats?

Answers

Answer:

Equation:

y = x+1

Distance Equation:

sqrt[x^2 + y^2] = 5

===========================

 

Substitue for "y" and solve for "x":

sqrt[x^2 + (x+1)^2] = 5

x^2 + x^2 + 2x + 1 = 25

2x^2 + 2x -24 = 0

x^2 + x - 12 = 0

Factor:

(x+4)(x-3) = 0

x = 3 miles (eastbound distance)

x+1 = 4 miles (southbound distance)

Step-by-step explanation:

(a+b)²-(a+b)⁵ nhờ mn giải hộ mik

Answers

[tex](a \: + \: b \: {)}^{2} \times (1 - \: a \: - \: b \: )[/tex]

hope it helps!

pls give ans for the image

Answers

I’m pretty sure the answer is 80. Divide 280 by 3 1/2

I need help with question 1

Answers

The answer is 845.31 rounded is 345.31

a plumber uses 200 ft of tubing to make 50 sections of the same size. At this rate, how many feet of tubing is needed to make 1 section?

Answers

Answer:

4 ft

Step-by-step explanation:

You need to divide that 200 ft among those 50 sections to get what amount of feet goes into each section.

Yeah he’s right, the guy up there

Ms. Franklin is making her class budget for supplies. She needs 62 packs of Expo markers. If each pack costs $12, what will her total be for Expo markers (before tax)?​

Answers

Answer:

12x62=$744 for 62 packs of Expo markers

Which set of ordered pairs models a function?
A. {(-8,0), (-8, 1), (-6,4), (-5,-2), (-3, 6)}
B. {(3,-8), (3, -7), (3,-6), (3,-5), (3, -3)}
C. {(-8, 8), (-7,8), (-6, 8), (-5, 8), (-36)}
D. {(-8, 0), (-7, 1), (-5, -3), (-5,3), (0, 8)}

Answers

Answer:

C. Each first element, domain, is associated with exactly one element, range

Step-by-step explanation:

On a hot day, Jeffrey poured 4 5/6 buckets of water into a plastic wading pool. A few minutes later he added another 1 5/6 buckets. How much water did Jeffrey pour into the pool?

Answers

6 4/6 buckets in the pool here the math
4 5/6+1 5/6=6 4/6

Sukriti sold two bicycles at Rs.3750 each. She gained 25% in first
bicycle and lost 25% on another bicycle. How much does she loss
or gain in the total price?

Answers

Answer:

Rs. 500 loss

Step-by-step explanation:

SP is 3750

First case, 25% gain with CP of x:

3750 = 1.25xx = 3750/1.25x = 3000

Gain amount:

3750 - 3000 = 750

Second case , 25% loss with CP of x:

3750 = 0.75xx = 3750/0.75x = 5000

Loss amount:

5000 - 3750 = 1250

Total loss is the difference between gain and loss:

1250 - 750 = 500

f(x) = 5(x-4) - 10


How do I find the X and Y intercepts just from this?

Answers

Answer:

x-int=6

y-int=30

Step-by-step explanation:

To find the x-intercept, first set F(x)=0, then solve for x.

0=5(x-4)-10

0=5x-20-10

0=5x-30

30=5x

6=x <- the location where y is 0

To find the y-intercept, first set x=0, then solve for F(0).

F(0)=5(0-4)-10

F(0)=-20-10

F(0)=-30 <- the location where x is 0

Answer:

X-intercept: (6, 0)

Y-intercept: (0, -30)

Step-by-step explanation:

DefinitionsThe y-intercept is the point on the graph where it crosses the y-axis, with coordinates of (0, b ). Thus, the corresponding x-coordinate of a y-intercept is 0. The x-intercept is the point on the graph where it crosses the x-axis, with coordinates of (a, 0). Hence, with the x-intercept is the value of x when y = 0. Solutions:

Given the function, f(x) = 5(x - 4) - 10:

We could easily find the y-intercept by setting the value of x = 0.

f(0) = 5(0 - 4) - 10

f(0) = 5(- 4) - 10

f(0) = -20 - 10

f(0) = -30

Therefore, the y-intercept of the given function is (0, -30).

Similarly, we can solve for the x-intercept by setting the value of y = 0:

f(x) = 5(x - 4) - 10

0 = 5(x - 4) - 10

Distribute 5 into the parenthesis on the right-hand side of the equation:

0 = 5x - 20 - 10

Combine like terms:

0 = 5x - 30

Add 30 to both sides:

0 + 30 = 5x - 30 + 30

30 = 5x

Divide both sides by 5 to solve for the value of x:

[tex]\mathsf{\frac{30}{5}\:=\:\frac{5x}{5}}[/tex]

x = 6

Therefore, the x-intercept of the function is (6, 0).

Quick Side Note:

The given function can be transformed into its slope-intercept form, f(x) = mx + b by distributing 5 into the parenthesis:

f(x) = 5(x - 4) - 10

f(x) = 5x - 20 - 10

f(x) = 5x - 30 ⇒ This is the slope-intercept form, where the slope, m = 5, and the y-intercept, b = -30.

Identify the y-intercept of the following linear equation written in standard form.
9x + 3y = -18

Answers

Answer:

wwwwwwwwwwwwwwwwwwww

Answer:

the y-intercept is (0, -6)

Step-by-step explanation:

if f(x)=6x+9 and g (x) =-x-6 , what is (f+g)(x) ?

Answers

Answer:

5x + 3

Step-by-step explanation:

(f+g)x= 6x + 9-x-6

=5x + 3

Ski Lift A takes skiers 1,200 feet up the mountain in 2 minutes, Ski Lift B takes skiers 1,500 feet up the mountain in 3 minutes, and Ski Lift C takes skiers 1,800 feet up the mountain in 2 1⁄2 minutes. Which ski lift has the fastest rate?

Answers

Answer:

iek

Step-by-step explanation:3283349

You are saving money for a new bicycle, which costs $85.99. So far you have saved $47.52. How much more money do you need before you can purchase the new bicycle

Answers

Answer:

$38.47

Step-by-step explanation:

You have to subtract $85.99 and $47.52.  The answer is $38.47..

I hope this helps!!

What is the surface area of the figure below? 4 cm 5 cm 3 cm 3 cm 5cm 4 cm​

Answers

Answer:

24 cm

Step-by-step explanation:

you add 3+3=6

next add 6+4=10

next add (5+5)+10=20

finally you add 20+4=24

Can someone please help with this geometry ( no links)

Answers

Answer:

2

Step-by-step explanation:

A woman earns $2600 per month and budgets $442 per month for food. What percent of her monthly income is spent on food?
...
% of her monthly income is spent on food.

Answers

Answer:

17%

Step-by-step explanation:

442/2600

= 0.17

To change a decimal to a percent, you move the decimal point two places to the right --> 17%

= 17%

17%
Step by step:can’t be bothered lol

Y = 8x + 134 identify and intercept the slope

Answers

Answer:

Slope: 8

Intercept: 134

Slope:8
Y intercept: 134

HELP ASAP!! WILL MARK BRAINLIEST !!!
Write an equation for the area A of the figure. Then determine the maximum possible area of the figure.

Area: A=
Maximum area: ___ square units

Answers

Answer:

Step-by-step explanation:

The maximum area of the figure is 4.5 square units.

Given,

Write an equation for area A of the figure.

Then determine the maximum possible area of the figure.

What is the area of a right-angled triangle?

It is given by:

Area = 1/2 x base x height

When we maximize an area we must differentiate the area.

If A is the area.

A' = 0

We have,

From the figure:

Base = 6 - b

Height = b

Now,

Area = 1/2 x base x height
Area = 1/2 x ( 6 - b ) x b

A = (6b - b²) / 2

A = 3b - b²/2

When we maximize an area we must differentiate the area and thus,

A' = 0

So,

A' = 3 - 2b/2

0 = 3 - b

b = 3

Now,

A = 3b - b²/2

A = 3 x 3 - 3²/2

A = 9 - 9/2

A = (18 - 9) / 2

A = 9/2

A = 4.5 square units.

Thus the maximum area of the figure is 4.5 square units.

Learn more about finding the maximum area of a rectangle here:

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Three coworkers work for the same employer. Their jobs are warehouse manager, office manager, and truck
driver. The sum of the annual salaries of the warehouse manager and office manager is $75000. The sum of the
annual salary of the office manager and the truck driver is $75000. The annual salaries of the warehouse
manager and the truck driver total $70000. What is the annual salary of each of the co-workers?

Answers

Answer:

Let's make each of these workers' salaries a variable. For our purposes:

x = the annual salary of the warehouse manager

y = the annual salary of the office manager

z = the annual salary of the truck driver

*Since all of our variables describe an "annual salary" in dollars, we do not have to perform unit conversions.

From the sentence, "The sum of the annual salaries of the warehouse manager and office manager is $75000," we can derive the equation:

warehouse manager + office manager = 75000

x + y = 75000

From this sentence, "The sum of the  annual salary of the office manager and the truck driver is $75000," we get:

office manager + truck driver = 75000

y + z = 75000

Finally, since "The annual salaries of the warehouse  manager and the truck driver total $70000," we know that:

warehouse manager + truck driver = 70000

x + z = 70000

From the above equations, we can create a system of equations to reach the solution.

x + y = 75000

y + z = 75000

x + z = 70000

Using the substitution method and basic algebra, this question is easy! Let's solve for x, the warehouse manager's salary, first:

x + z = 70000

z = 70000 - x

y + z = 75000

y + (70000 - x) = 75000

y + 70000 - x = 75000

y - x = 5000

y = 5000 + x

x + y = 75000

x + (5000 + x) = 75000

x + x + 5000 = 75000

2x + 5000 = 75000

2x = 70000

x = $35000 = warehouse manager's annual salary

Now that we have solved for one of the variables, we can substitute our answer back in to get a quicker result:

x + z = 70000

(35000) + z = 70000

z = 35000$ = truck driver's annual salary

y + z = 75000

y + (35000) = 75000

y = $40000 = office manager's salary

So, our answers would be that:

The warehouse manager's annual salary is $35000.

The office manager's annual salary is $40000.

The truck driver's annual salary is $35000.

Need help with this please

Answers

Answer:

276.1875

Step-by-step explanation:

make me brainliest

Answer:

276

Step-by-step explanation:

jJHgplugouogoufuofogugup

PLS HELP ASAP ILL GIVE BRAINLKEST THANKS

Answers

Answer:

m is less than or equal to -3

Step-by-step explanation:

-6m+(-4)>=14

-6m>=18

m<=-3

The World Health Organization's (W.H.O.) recommended daily minimum of calories is 2600 per individual. The average number of calories ingested per capita per day for the US is approximately 2460 with a standard deviation of 500. If we take a random sample of 64 individuals from the US, what is the probability that the sample mean exceeds the W.H.O. minimum?

Answers

Answer:

W.H.O

Step-by-step explanation:

ask my shoe and your mama

Peter is married, filing jointly, with an AGI of $50,265. He is claiming two exemptions of $16,400 and deduction of $3264.

What is his tax due?

Answers

Answer:

$3864

Step-by-step explanation:

BRAINLIEST x 3
It is kinda late and I need to finish my work
Please help me
If you answer this I will create two other posts to give you extra brainliests

Answers

Answer:

Hi I hope this helps! I included step by step for each problem!

Step-by-step explanation:

5) 9x + 2 =119

9x +2 - 2 = 119 - 2

9x= 117

9x/9 = 117/9

x=13

6) 12x - 8 + 104 = 180

12x + 96 = 180

12x + 96 -96 = 180 - 96

12x = 84

12x/12 = 84/12

x=7

7) 5x+7=8x-71

5x+7+71=8x-71+71

5x-5x+78=8x-5x

78=3x

78/3=3x/3

26=x

8) 4x-7=7x-61

4x-4x-7+61=7x-4x-61+61

54=3x

54/3=3x/3

18=x

9) 13x-19+17y+5 =180

13x-19=9x+25

13x-9x-19+19=9x-9x+25+19

4x=44

4x/4=44/4

x=11

13(11)-19+17y+5=180

143-19+17y+5=180

129+17y=180

129-129+17y=180-129

17y=51

17y/17=51/17

y=3

10) 8y+17=6x-7

3x-29+6x-7=180

9x-36=180

9x-36+36=180+36

9x=216

9x/9=216/9

x=24

8y+17= 6(24)-7

8y+17= 144-7

8y+17= 137

8y+17-17=137-17

8y=120

8y/8=120/8

y=15

11) 7x-23=3x+49

7x-3x-23+23=3x-3x+49+23

4x=72

4x/4=72/4

x=18

3x=11y-1

3(18)= 11y-1

54+1=11y-1+1

55=11y

55/11=11y/11

5=y

12) 5x-38=3x-4

5x-3x-38+38=3x-3x-4+38

2x=34

2x/2=34/2

x=17

7y-20+5x-38=180

7y-58+5(17)=180

7y-58+85=180

7y+27=180

7y+27-27=180-27

7y=153

7y/7=153/7

y=21.9

(not 100% confident on 12)

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