Help help help help please please thank

Answer:

2x+y=-1

Step-by-step explanation:

I can't really explain,But the equation is AX+BY=C

Answer:

multiply

Step-by-step explanation:

2345567 in the subtract 578431111

Answer:

x = -21

Step-by-step explanation:

-5/4x - 2 = -1/4x + 19

subrtact the slope( constant, mx) from both sides

subtract a y-int ftom both sides

divde both sides by the remaining slope(constant or mx)

Answer:

Step-by-step explanation:

Hope it helps!!!

Amanda's answer correct is not correct. The correct answer is 4 R2, because she might have incorrectly divide the first digit of 34, which is 3, by 8. She should have moved on to the next digit instead

Amanda's answer, 3 R10, is not correct.

When we divide 34 by 8, we want to know how many times 8 goes into 34, and what is left over. We start by dividing 8 into the first digit of 34, which is 3. 8 cannot go into 3, so we move on to the next digit, which is 34.

We can see that 8 goes into 34 four times, because 8 x 4 = 32. This means that the whole number part of the answer is 4.

But there is still a remainder left over. To find the remainder, we subtract 32 from 34, which gives us 2.

Therefore, the correct answer is 4 R2.

Amanda's mistake may have been to incorrectly divide the first digit of 34, which is 3, by 8. She should have moved on to the next digit instead.

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Tony's walk speed exists 2 meters per minute slower then Tony's walk speed.

An equation in algebra is an equality claim that includes one or more variables or unknowable things.

The definition of an equation in algebra is a mathematical statement that proves two mathematical expressions are equal. Two expressions joined by an equal sign form a mathematical statement known as an equation.

A number, a variable, or a mix of both plus certain operation symbols make up an expression. An equal sign separates two expressions that make up an equation.

Tony : d = 108m

Tony walks 108 meters per minute

Mark : (10,1100),(20,2200)

slope = (2200 - 1100) / (20 - 10) = 1100/10 = 110 meters per minute

Therefore, Tony's walk speed exists 2 meters per minute slower then Tony's walk speed.

The complete question is:

Tony writes an equation to represent the distance he walks in meters, d, in relation to the number of minutes he walks, m. d = 108m Mark has created a table to record the number of minutes it took him to walk different distances in meters. Time (minutes) Distance (meters) 10 1,100 20 2,200 40 4,400 Assuming that Tony and Mark both walk at a constant rate, the unit rate for Tony is meters per minute and the unit rate for Mark is meters per minute. On a graph, the line representing Tony’s distance covered with respect to time would be Mark’s line. So, Tony’s walking speed is Mark’s.

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b)i) The curve that matches y = x² - 2x - 3 is the middle one, which is a parabola opening upward. b)ii)  we can estimate that y(2.5) ≈ y(2) + 3/2 = -3 + 3/2 = -1.5. b)iii) the only value of x when y = 1 is x = 2.

a)

| x | y

| -3 | 12

| -2 | 1

| -1 | -4

| 0 | -3

| 1 | -2

| 2 | -3

| 3 | 0

b) i) The curve that matches y = x² - 2x - 3 is the middle one, which is a parabola opening upward.

ii) To estimate the value of y when x = 2.5, we can use the values of y when x = 2 and x = 3 to find the average rate of change, and then add or subtract that from the value of y when x = 2 or x = 3, respectively.

Using x = 2 and x = 3, we have:

Average rate of change = (y(3) - y(2)) / (3 - 2) = 3

So we can estimate that y(2.5) ≈ y(2) + 3/2 = -3 + 3/2 = -1.5.

iii) To find the values of x when y = 1, we can set y = 1 in the equation y = x² - 2x - 3 and solve for x:

x² - 2x - 3 = 1

x² - 2x - 4 = 0

(x - 2)² = 0

x - 2 = 0

x = 2

So the only value of x when y = 1 is x = 2.

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Answer:

i think Pythagorean theorem

Step-by-step explanation:

c^2=a^2+b^2

99.85% of adults in the city have a systolic blood pressure of less than 110 mmHg.

Using 68-95-99.7 rule, we know that

99.7% of values lie between the interval (mean - 3 × standard deviation, mean + 3 × standard deviation)

(100 - 99.7) = 0.3% values lie outside the interval (mean - 3 × standard deviation, mean + 3 × standard deviation).

Since the normal distribution is bell-curved and symmetrical,

we can say

0.3/2 = 0.15% values are less than the mean - 3 × standard deviation

and 0.3/2 = 0.15% values are greater than mean + 3 × standard deviation.

Here,

Mean + 3 × standard deviation.

= 110 + 3 × 10 = 140

So, 0.15% of values  are greater than 140

So, (100 - 0.15) = 99.85% values are less than 140.

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Answer:

56

Step-by-step explanation:

We can mark the blue cars as x, so now, we have 9:7, and 72:x, we can use cross multiplication to get the value of x, 72*7 = 9x, which we can simplify into 504 = 9x, and can divide both sides by 9 to get 56 = x.

Hope it helped!

For using completing the square, first make sure that the coefficient of x² is 1, if it's not 1, then you need to make it 1, by dividing both sides of the equation by the coefficient whatever it is. So, jere the coefficient of x² is 1, so now we need to develop a whole square on both sides, for which,we will add the square of half of coefficient of x on both sides, so adding (-16/2)² = (-8)² = 64 on both sides, we will be having :

\({:\implies \quad \sf x^{2}-16x+64=-21+64}\)

Which suits the B) option

Hence, Option B) is correct

Answer:

a200

Step-by-step explanation:

The three (3) possible combinations are

Alex should 20 hats and 20 scarves

Let the number of scarves be x and y be the number of hats

He can make at most 20 hats and 30 scarves, but no more than 40 items altogether

x ≤ 20

y ≤ 30

x + y ≤ 40 (in time of market)

x + y ≥ 25

The possible combinations are

He should choose the third option x = 20, y = 20 this allows him to take more products to the show

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Answer:

  3√2

Step-by-step explanation:

You want the distance between the parallel lines ...

On a graph, the lines are separated by 6 units vertically or horizontally. The slope of each is 1, so the slope of a perpendicular line will be -1.

One way to think of the distance between the lines is as the altitude of the right triangle with legs equal to the horizontal and vertical distances between the lines. That altitude is 6/√2 = 3√2.

The distance between the lines is 3√2 ≈ 4.24264.

__

Additional comment

The distance from point (x, y) to line ax+by+c=0 is ...

  d = |ax+by+c|/√(a²+b²)

If a point satisfies the equation x -y +2 = 0, then its distance from parallel line x -y -4 = 0 will be ...

  |-2 -4|/√(1² +(-1)²) = 6/√2 = 3√2

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Answer:

y = (-1/3)x + 5

Step-by-step explanation:

The format of the equation of line required is in slope-intercept form:

y = mx + c

m is the slope, and c is the y-intercept.

First, lets find the slope.

Randomly find 2 points on the line. Label them as (x1, y1) and (x2, y2)

Let's say I pick the points (0,5) and (9, 2).

slope m = (y2 - y1) / (x2 - x1)

slope = (2-5 ) / (9-0)

= -3 / 9

= -1/3

the y-intercept is the point where the line cuts through the y-axis, which is 5 in this case.  

Therefore, the equation of the line will be:

y = (-1/3)x + 5

Answer: 20 words per minute

Step-by-step explanation:

you divide 600 by 30, which is 20

The given inequality 6 > x + 1 > 3 is an "and" inequality.

Compound inequalities are kind of inequality expressions which consists of two or more simple inequalities.

"And" inequality represents that both the inequalities are true.

"Or" inequality represents that either of the statement is true.

Given inequality is,

6 > x + 1 > 3

Subtracting 1 from throughout the inequality,

6 - 1 > x > 3 - 1

5 > x > 2

This implies that x is less than  and x is greater than 2, for which the value of x are 3 and 4.

Hence the given inequality is an "and" inequality.

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Answer:

The Answer to your question is x<-7 Hope This could Help

Step-by-step explanation:

Answer:

x<−3

Step-by-step explanation:

Let's solve your inequality step-by-step.

−3x+6>15

Step 1: Subtract 6 from both sides.

−3x+6−6>15−6

−3x>9

Step 2: Divide both sides by -3.

−3x/−3>9/−3

pls mark as brainliest

Answer:+0.82 and -0.8

Step-by-step explanation:

Answer:

1) 44 1/8

2) 13 4/5

3) 3 4/5

4) 7 11/15

5) 5

Step-by-step explanation:

Angle-Angle-Side (AAS) Theorem has two sides and a non-included angle.

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when the minute hand rotated through 1260° time will became 5:30 PM

Complete angle:-

                             A complete angle is a type of angle that measures 360°.A complete angle deals with one full rotation measuring 360°.

      In an hour or in 60 minute, minute hand covers a 360° angle.

   According to question,

                              initially it is 2:00PM,that is minute hand at 12 and hour hand at 2

       it is given that minute hand has rotated through 1260°

                        1260° = 3 x 360° + 180°

                                                             which means minute hand will have three complete rotation and one half rotation.

            when minute hand rotated through 360° angle then hour hand will move from 2 to 3.

              And again in second rotation, when minute hand rotated through 360° angle then hour hand will move from 3 to 4.

             Again in third rotation, when minute hand rotated through 360° angle then hour hand will move from 4 to 5.

           As of now, minute hand have taken three complete rotation and so hour hand reached at 5

                 Now, when minute hand rotated through 180° (one half rotation),minute hand will reach at 6 from 12.

           So, right now the position of hour hand is between 5 and 6 and the position of minute hand at 6.

            hence,  time will be 5:30 PM

                            Option A is correct

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In this game, two robbers, R1 and R2, have just robbed a bank and find themselves in a hotel room with a suitcase containing 100 million dollars. Each robber wants to have the entire amount for themselves and is armed with a pistol.

However, their shooting skills are not great, with R1 having a 20% chance of killing their target if they shoot, and R2 having a 40% chance. The game proceeds as follows: first, R1 decides whether to shoot. If R1 shoots, R2 (if still alive) then decides whether to shoot. If R1 chooses not to shoot, R2 decides whether to shoot. If both survive, they split the money equally.

In the extensive form of the game, the initial decision node represents R1's choice to shoot or not. If R1 chooses to shoot, it leads to a chance node where R2's decision to shoot or not is determined. If R1 decides not to shoot, it directly leads to R2's decision node.

The outcome of each decision node is the respective robber's survival or death. At the final terminal nodes, the money is divided equally if both survive, or the surviving robber takes the entire amount if the other robber is killed.

The extensive form allows for a comprehensive representation of the sequential decision-making process and the potential outcomes at each stage of the game.

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Answer:

21.5%

Step-by-step explanation:

Percent = Part/Whole * 100:

\(\frac{33}{153.5}*100\approx21.5%\)

Answer:

\(\bold{\angle NLM = 10^\circ}\)

Step-by-step explanation:

Given a ΔLMN.

Line LN is extended to point O.

such that:

\(\text{m}\angle MNO = (5x-13)^{\circ}\)

\(\text{m}\angle NLM = (x-4)^{\circ}\) and

\(\text{m}\angle LMN = (2x+19)^{\circ}\)

To find:

\(\text{m}\angle NLM=?\)

Solution:

Kindly refer to the attached image for the given triangle and dimensions of angles.

Let us recall the external angle property of a triangle:

The external angle of a triangle is equal to the sum of two opposite internal angles.

i.e.

\(\angle MNO = \angle NLM + \angle LMN\\\Rightarrow 5x-13 = x-4+2x+19\\\Rightarrow 5x-13 = 3x+15\\\Rightarrow 5x-3x = 13+15\\\Rightarrow 2x=28\\\Rightarrow x =14\)

Putting the value of \(x\) in \(\angle NLM\).

\(\angle NLM=14-4 \\\Rightarrow \bold{\angle NLM = 10^\circ}\)

Answer:

x^2 - 2x - 35

Step-by-step explanation:

Using the distributive property, we get x^2 + 5x - 7x - 35 which is equal to x^2 - 2x - 35

Answer:

(y= -3 and x = 9)

Step-by-step explanation:

For the y intercept, make x = 0 and solve. For the x intercept, make f(x) = 0 and solve.

Answer:

a) -(-4/5).(-2/9) = -8/45

b) Katie forget to add the minus.

Step-by-step explanation: