PLZZZ HELPP ILL GIVE BRAINLISTT

PLZZZ HELPP ILL GIVE BRAINLISTT

Answers

Answer 1
green point : (1,-2) purple point : (-5, 1) blue point : (-4, -2) red point : (2,3)

Related Questions

Evaluate y/4-2y-3
when y = -4

Answers

Answer:

4

Step-by-step explanation:

Hope that helps!

9514 1404 393

Answer:

  4

Step-by-step explanation:

Substitute the given value for y, then do the arithmetic.

  [tex]\dfrac{y}{4}-2y-3\\\\=\dfrac{-4}{4}-2(-4) -3 \qquad\text{use $y=-4$}\\\\=-1+8-3=7-3=\boxed{4}[/tex]

A school teacher wants to survey students at her elementary school. She surveys 20 students from each grade level. What type of sampling technique she is using

Answers

Answer:

Stratified Random sampling

Step-by-step explanation:

When a random observations are selected from a number of individual groups in a particular population, the type of sampling technique is called Stratified Random sampling. Stratified Random sampling begins with the partitioning or splitting or a population into subgroups. A number of random selection are then made from each of the subgroups to form a collection of larger samples. This is different from the simple random sampling technique which makes random selection directly from a larger sample or population without prior partitioning of the population. The different grades of students represents the individual stratum from which random selections are made.

what is the expression for 59+7 over 9

Answers

Answer:

59 + 7/9

Step-by-step explanation:

The answer is 59.78 I know this cuz im is smart

Two similar triangles are shown below:
Which two sets of angles are corresponding angles?​

Answers

W and V are corresponding as well as X and Y

your answer is A

you can tell by the amount of lines in each angle :)
The answer is aaaaaaaaaa

I WILL GIVE YOU BRAINLIEST!! I AM BEING TIMED SO HURRY!

answer choices

A. y = 1/2x - 5
B. y = 3x - 4
C.y = 2x + 3
D.y = 5/2x + 7

Answers

Answer:

b is the right answer

Step-by-step explanation:

Answer:

if you are already cheating use desmos but it is C

Step-by-step explanation:

plz give brainliest

find the perimeter of the rectangle on the centimeter grid​

Answers

Answer:

24 centimeters

Step-by-step explanation:

You can just count the squares around the rectangle since each of those squares is a centimeter. Hence the name centimeter grid.

14 of 56 cars reived oil change what % of cars did not

Answers

Answer:

75% of the car did not receive a oil change

The perimeter of the rectangle is 34 cm. The perimeter of the triangle is 30 cm. Find the value of m.

a. 5 cm
b. 6 cm
c. 7 cm
d. 8 cm


Please select the best answer from the choices provided​

Answers

Answer:

a. 5cm

Step-by-step explanation:

r. m+m+n+n= 34

t. m+n+n+1=30

r. 2m + 2n =34

t. m + 2n + 1 = 30

after multiple by negative t row

t. -m -2n -1 = -30

and combine the 2 rows

2m -m +2n - 2n -1 = 34 - 30

m - 1 = 4

and we add one to each side of the operation

m - 1 + 1 = 4 + 1

m = 5

The value of m is 5 cm. Therefore, option A is the correct answer.

What is the perimeter?

The perimeter of a shape is defined as the total distance around the shape. It is the length of the outline or boundary of any two-dimensional geometric shape. The perimeter of different figures can be equal in measure depending upon the dimensions.

Given that, the perimeter of the rectangle is 34 cm.

We know that, the formula to find the perimeter of rectangle is 2(Length+Width)

From the figure, 2(m+n)=34

m+n=17 -------(I)

The perimeter of the triangle is 30 cm.

From the figure, m+n+n+1=30

m+2n=29 -------(II)

From equation (I), we have m=17-n

Put m=17-n in equation (II), we get

17-n+2n=29

n=12 cm

Substitute n=12 in equation (I), we get

m=5 cm

The value of m is 5 cm. Therefore, option A is the correct answer.

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2) Select the quadrilateral with 2 pair of parallel sides.
A) Parallelogram
B) Trapezoid

Answers

Answer:

B Trapezoid

Step-by-step explanation:

A trapezoid has 2 parallel sides the top and bottom but also the sides.

Question 5 options:
Solve for the value of x.
3x - 4 = 8

Answers

Answer:

4

Step-by-step explanation:

Answer:

4

Step-by-step explanation:

3x - 4 = 8

3x - 4 + 4 = 8 +4

3x = 12

x = 4

ten men take 4 days to complete the task of training a road how many days would 8 man takes​

Answers

Answer:

It will take 8 men 5 days

Please help thank you

Answers

Answer:

[tex]\frac{xy}{2}[/tex]

Step-by-step explanation:

Show me a graph of y = 2.5x.

Answers

Answer:

right, i think this is what u want. hope this helps!

Step-by-step explanation:

Write the equation of the line in slope intercept form.

Answers

Answer:

y = -3/2x

Step-by-step explanation:

HELP ME PLEASE WILL GIVE BRAINLIEST>

Answers

Answer:

(-3, 0) and (-5, 0)

Step-by-step explanation:

[character limit thing]

Joe made $42 in 6 hours. How many hours would he have to work to make $56? (Do not solve)

Answers

Answer:

42 dollars for 6 hrs means that each hour, he gets 7 dollars, assuming that this is a proportional relationship.

56-42=14, he needs 14 more dollars

14/7=2

2 more hrs

Step-by-step explanation:

. Sara teaches aerobics classes as a part-time job. The amount of money she earned is shown in the table below. Based on the information in the table, how much money will Sara earn after teaching 18 aerobics classes?

Answers

Answer:

She should earn 225 dollars.

Step-by-step explanation:

I know this because 50 ÷ 4 = 12.5 and 12.5 × 18 = 225.

Please help I’m so close to passing math

Answers

Answer:

See below.

Step-by-step explanation:

The unit rate is the cost per thing. You just divide the cost by the amount:

$7.38/18 ounces = $0.41/1 ounce

$15.39/27 ounces = $0.57/1 ounce

Therefore, $7.38 for 18 ounces is the better option.

What is the inverse of the function f(x) = 4x + 8?

Answers

Answer:

h(x) = (1/4)x - 2 which is choice A

Step-by-step explanation:

Replace f(x) with y. Then swap x and y. Lastly, solve for y to get the inverse.

f(x) = 4x+8

y = 4x+8

x = 4y+8

x-8 = 4y

4y = x-8

y = (x-8)/4

y = x/4 - 8/4

y = (1/4)x - 2

h(x) = (1/4)x - 2

PLZ HELP ;(((
A line passes through the points (k + 10,-2k – 1) and (2,9) and has a y-intercept
of 10. Find the value of k and the equation of the line.
solve for all 3 equations

Answers

Answer:

The value of k is -4 and the equation of the line is [tex]y =-\frac{1}{2}\cdot x +10[/tex].

Step-by-step explanation:

The equation of the line is defined by the following formula:

[tex]y = m\cdot x + b[/tex] (1)

Where:

[tex]x[/tex] - Independent variable.

[tex]y[/tex] - Dependent variable.

[tex]b[/tex] - y-Intercept.

[tex]m[/tex] - Slope.

In addition, the slope of the equation of the line ([tex]m[/tex]) can be known from two distinct points:

[tex]m = \frac{y-y_{o}}{x-x_{o}}[/tex] (2)

Where [tex]x_{o}[/tex] and [tex]y_{o}[/tex] are the coordinates of the reference point.

By applying (2) in (1), we derive the resulting expression:

[tex]y = \frac{y-y_{o}}{x-x_{o}}\cdot x + b[/tex]

[tex]y\cdot (x-x_{o}) = (y-y_{o})\cdot x + b\cdot (x-x_{o})[/tex]

[tex]x\cdot y -y\cdot x_{o} = x\cdot y -x\cdot y_{o}+b\cdot x -b\cdot x_{o}[/tex]

[tex](b-y)\cdot x_{o} = b\cdot x -x\cdot y_{o}[/tex]

[tex](b-y)\cdot x_{o} +x\cdot y_{o} = b\cdot x[/tex] (3)

If we know that [tex]b = 10[/tex], [tex]x = 2[/tex], [tex]y = 9[/tex], [tex]x_{o} = k+10[/tex] and [tex]y_{o} = -2\cdot k -1[/tex], then the value of [tex]k[/tex] is:

[tex](10-9)\cdot (k+10)+2\cdot (-2\cdot k -1) = (10)\cdot (2)[/tex]

[tex]k+10 -4\cdot k -2 = 20[/tex]

[tex]-3\cdot k +8 = 20[/tex]

[tex]-3\cdot k = 12[/tex]

[tex]k = -4[/tex]

The value of the slope is:

[tex]m = \frac{9-7}{2-6}[/tex]

[tex]m = -\frac{1}{2}[/tex]

The equation of the line is [tex]y =-\frac{1}{2}\cdot x +10[/tex].

Find the Least Common Denominator of the fractions 3/4 and 5/6

Answers

Answer:

The common denominator of the fraction 3/4 and 5/6 is 12

Step-by-step explanation:

Because it is the lowest number that both 4 and 6 can reach by multiplying with whole numbers.

The difference of a number and 6 is the same as 5 times the sum of the number and 2. What is the number?
OA. -4
B. -2
OC -1
OD. 1

Answers

Answer:.OA. -4

Step-by-step explanation:

The sum of Ken's, k, and Alan's, a, ages is 62. Ken is 31 years older than Alan.

Which of these systems of equations below best describes the ages of Ken and

Alan?

Answers

Answer:

k + a = 62

k = 31 + a

Step-by-step explanation:

Given that:

Sum of ken and Alan's age = 62

Ken is 31 years older than Alan

k + a = 62 - - - (1)

k = 31 + a - - - (2)

Hence, the system of equation which best describes the ages of Ken and Alan are:

k + a = 62

k = 31 + a

Hello! So, here is my question. :)

Find the quantity represented by each percent:

what is 66% of 740 kilometers?

Answers

Answer:

488.4 kilometers

Step-by-step explanation:

The correct answer is 488.4 kilometers

I will give brainiest to whoever answers correctly !!

Answers

August 22nd should be the date 120 days after April 24th

Steven's basketball team won 5 out of their first 12 games. If they continue to win at this rate, how many games will they lose if they play 49 games?

Answers

Answer:

Number of game lose = 29 games (Approx)

Step-by-step explanation:

Given:

Winning part = 5/12

Total game = 49

Find:

Number of game lose

Computation:

Lose part = 1 - 5/12

Lose part = 7/12

Number of game lose = Total game x Lose part

Number of game lose = 49 x [7/12]

Number of game lose = 28.58

Number of game lose = 29 games (Approx)

They would lose 29 games if they play 49 games

They won 5 out of their first 12 games.

Hence the number of game lost in their first 12 games = 12 - 5 = 7  games

The rate at which they lose = 7 games / 12 games

Given that they played 49 games, hence:

Number of games lost = (7 games / 12 games) * 49 = 28.58

They would lose 29 games if they play 49 games

Find out more at: brainly.com/question/21105092

Craig has £13.40

He sees this offer in a restaurant:

Main courses £8.90 each. Buy one main course and get the 2nd HALF PRICE!

Can he afford to buy two main courses? Show your working.

Answers

Yes he can. If the second is half price then the second is only £4.45. If you add £8.90+£4.45 then you total out at £13.35

Some students are keeping track of how much money they earn and spend in one week. Use the table below to answer the following questions. Activity Money earned or spent (in dollars) Hourly pay $14$ Weekly allowance $21$ Buy dinner $-12$ Ride the bus $-2.50$ Part A If Kevin gets paid for $3$ hours, gets $1$ weekly allowance, rides the bus $6$ times, and has $0$ dollars at the end of the week, how many times did he buy dinner? Justify your answer. Respond in the space provided.

Answers

Answer:

7 TIMES

Step-by-step explanation:

BECAUSE THERE IS 7 DAYS IN A WEEK

The number of times dinner was bought is 4.

What is an expression?

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

Money earned and spent is given below.

Hourly pay = $14

Weekly allowance = $21

Dinner = $12

Bus ride = $2.50

Kevin earned in 3 hours.

= 3 x 14

= $42
Allowance for 1 week = $21

Spent on bus ride = 6 x 2.50 = $15

Now,

Kevin remaining amount = 0

42 + 21 - 15 - x = 0

Where x is the amount spent on dinner.

63 - 15 - x = 0

x = 48

Amount spend on dinner = $48

The number of dinners.

= 48 ÷ 12

= 4

Thus,

Dinner was bought 4 times.

Learn more about expressions here:

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One angle of a right triangle measures 78°. What is the measure of the other acute angle?

Answers

Answer:

12°

Step-by-step explanation:

a right triangle implies there is an angle that is 90°

another angle is 78°

the third angle is 180 - (90 + 78)  =  180 - 168  = 12°

Sheldon needs to buy 8 gallons of ice cream for a family reunion. The table shows the prices for different sizes of two brands of ice cream.

Answers

Answer:

theres no picture so how will we know

Step-by-step explanation:

post the picture first

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