x+8=-(2x +1) Can you help
Please and thank you

Answer:

sqrt of 49 is simplified as 7 so its a rational that can be put in all the rows

Step-by-step explanation:

Rational numbers: -1.3, 2.7777.., 25/2 also known as 12.5, O

Integers: sqrt of 49 also known as 7, 0

Whole numbers: sqrt of 49 also known as 7, 0

Natural numbers: sqrt of 49 also known as 7, 0

Irrational numbers: sqrt of 2, Pi,

R, S, and T are collinear . Then 13 is  the length of RS.

What do collinear points mean?

The question to know

RS + ST = RT

RS = w + 1 ,  ST = w - 1

RT = 18

2w + 1 + w - 1  = 18

3w = 18

w = 18/3

w = 6

RS = 2 * 6 + 1 = 13

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keeping in mind that parallel lines have exactly the same slope, let's check for the slope of the equation above

[tex]2x-y=6\implies -y=-2x+6\implies y=\stackrel{\stackrel{m}{\downarrow }}{2} x-6\leftarrow \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array}[/tex]

so we're really looking for the equation of a line whose slope is 2 and it passes through (-4 , -6)

[tex](\stackrel{x_1}{-4}~,~\stackrel{y_1}{-6})\hspace{10em} \stackrel{slope}{m} ~=~ 2 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{(-6)}=\stackrel{m}{ 2}(x-\stackrel{x_1}{(-4)}) \implies y +6= 2 (x +4) \\\\\\ y+6=2x+8\implies y=2x+2[/tex]

Answer:

182.5

Step-by-step explanation:

182.5

steps

623420÷3416=

182.5

Answer:

27 m³

Step-by-step explanation:

Formula we use,

→ V = a³

Let's solve the problem,

→ V = a³

→ V = 3³

→ [ V = 27 m³ ]

Hence, it occupies 27 m³.

81 is equivalent to 3^4

What Is the Power of a Number?

The power of a number stands for how many multiples of the number there are. The power of a number is represented by something called an exponent

When a number is "raised to the second power," it means that the number is multiplied together twice, for example. When a number is "raised to the fifth power," it means that it is multiplied together five times.

we have to solve 3^4

here 3 raised to the fourth power

then 3 is multiplied together 4 times

3*3*3*3

81

Hence ,81 is equivalent tp 3^4

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Answer: $48.17

Step-by-step explanation:$148.68-$24.32=  $124.36

$124.36-$37.53=  $86.83

$135 -$86.83=$48.17

So he needs forty-eight dollars and 17 cents.                                            

To stay within budget, she must use 3.9 gigabytes.

Giving the following information:

Under her cell phone plan, Sofia pays a flat cost of $54.50 per month and $5 per gigabyte. She wants to keep her bill at $ 74 per month.

First, we need to establish the total cost formula:

Total cost= 54.5 + 5*x

x= number of gigabytes

Now, we isolate x:

74= 54.5 + 5x

19.5/5= x

3.9= x

To stay within budget, she must use 3.9 gigabytes

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Answer:

The inverse is [-4/3 -5/3 1]

[-4/3 -8/3 1]

[1/3 2/3 0]

Sorry, I didn't know how to type it well.

Answer: Sometimes true

Step-by-step explanation:

This statement is sometimes true. If three planes intersect, then their intersection can be a line or a point.

Answer:

A.77

B.-17

C.79

D.832

E.0.07056

Step-by-step explanation:

A.=8×10-3

=80-3

=77

B.=-1.4×10-3

=-14-3

=-17

C.=8×10-1

=80-1

=79

D.=8×104

=832

E.=0.00056+(7×10^-2)

=0.00056+0.07

=0.07056

Answer:

There is not a single ordered pair which is a solution to y=2x−4 .

Answer:

Im not pretty sure but i think thats the answer ^^

Answer:

y = 4x + 5

Step-by-step explanation:

y = 4x + 5 is the only one that graphs a straight line

If you had to drive for more than 300 miles for the first day you need to stop for gas fill up.

Unitary method is a mathematical tool for finding the value of single unit then deriving the given units according to the question.

According to the given question your car's gas tank holds 13 gallons, and you expect to get about 25 miles per gallon.

Given that you never want to run out of gas to not face this issue you always keep 1 gallon of gas in the tank.

So when you fill your tank completely you fill for 12 gallons of gas because 1 gallon is already there.

Also given that the car can go 25 miles per gallon.

So, for 12 gallons of gas you can go (25 × 12 ) miles which is

= 300 miles.

If you had to drive for more than 300 miles then you need to stop for gas in first day's drive.

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Answer: The value of  X = 50°

Step-by-step explanation:

from diagram:

40° = 40°(vertically opposite angles)

40° + 90° + opposite side of X = 180 °(exterior angle property)

130° + opposite side of X = 180°(linear pair property)

opposite side of X = 180° - 130°

= 50°

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Answer:

$6.00

Step-by-step explanation:

To solve this problem, we have to construct two separate equations for each family, and then use any of the methods for solving simultaneous equations.

Let's consider h to represent the cost of 1 hot dog, and w to mean the cost of 1 water bottle.

• For the first family:

[tex]2h + 3w = 18[/tex]

We can rearrange the equation to make w the subject:

⇒ [tex]3w = 18 - 2h[/tex]

⇒ [tex]w = \frac{18 - 2h}{3}[/tex]

• For the second family:

[tex]4h + 2w = 28[/tex]

Since we have previously obtained an expression for w in terms of h, we can substitute that expression for w in the above equation, and then solve for h:

⇒ [tex]4h + 2(\frac{18 - 2h}{3}) = 28[/tex]

⇒ [tex]4h + \frac{36 - 4h}{3} = 28[/tex]

⇒ [tex]12h + 36 - 4h = 84[/tex]      [Multiplying both sides of the equation by 3]

⇒ [tex]8h + 36 = 84[/tex]

⇒ [tex]8h = 48[/tex]

⇒ [tex]h = \bf 6[/tex]

∴ The price of one hot dog is $6.00.

The cost of one hot dog at an amusement park is $6.

A straight line on the coordinate plane is represented by a linear function. As an illustration, the equation y = 3x - 2 depicts a linear function because it is a straight line in the coordinate plane.

Any function whose graph is not a straight line is said to be nonlinear. Any curve other than a straight line can be a graph of it.

An example of a non-linear function is a quadratic function.

Let, the cost of hot dogs is 'x' and the cost of bottles of water be 'y'.

From the given information the two linear equations can be formed as,

2x + 3y = 18...(i) and 4x + 2y = 28...(ii)

Multiplying equation (i) by 2 and subtracting form (ii) we have,

   4x + 2y = 28.

(-) 4x + 6y = 36

_____________

         - 4y = - 8.

             y = 2.

And hence x is equal to, 4x + 4 = 28 ⇒ 4x = 24 ⇒ x = 6.

So, The cost of one hog dog is $6.

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Yes Jake is correct we the scales are accurately represented.

From the information, the original scale factor for a scale drawing of a square swimming pool is 1/90, and the length of the original drawing is measured to be 8 inches.

Therefore, the original length will be:

= 8 ÷ 1/90

= 8 × 90

= 720 inches

Therefore, Jack is correct.

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Answer:

Step-by-step explanation:

One

23 + 52 = 75    This can be done using columns

2  3

5  2      No carries Add.

7   5

Two

72 - 33 = 39

7    2

3    3     You have to borrow a ten from the 7 to make this work

3   9

Three

82 + sqrt(100)

sqrt(100) = 10

82 + 10 = 92

The point at which Leila should stop to take break is (6.25 , 3.75)

Given P(10 , 3) and R (0 , 4)

The ratio is 3:5

Let the break point be point B.

The formula is : (n(x₁) ₊ m(x₂)/ m₊n , n(y₁) ₊ m(y₂)/ m₊n)

P(10,3) = (x₁ , y₁)

R(0,4) = (x₂ , y₂)

m:n = 3:5

B = (5(10) ₊ 3(0)/3₊5 , 5(3) ₊ 3(4)/3₊5)

B = (50₊0/8 , 15₊12/8)

B = (50/8 , 27/8)

B = (6.25 , 3.75)

Hence Leila should stop at point (6.25 , 3.75) for her break.

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Answer:

7.538461538

Step-by-step explanation:

From the analysis of the above math, the amount she invested in the CD account is 5,000. See the analysis below.

Let A be the amount invested in the CD.

Let B be the amount invested in the savings bond.

A + B = 15, 000

.04A + .07B = 900

Multiply the first equation by -.04 and add it to the second equation to get rid of the A term.

-.04A-.04B = -600  add this equation to the second equation.

.03B = 300  multiplying by 100.  3B = 30,000

dividing by 3 on both sides: B = 10,000.  So A = 5,000

So she invested 5,000 in the CD account

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Answer:

45%

Step-by-step explanation:

1,450 - 1,000 = 450

the 450 becomes 0.45

to make 0.45 a percent, we multiply it by 100

0.45 x 100 = 45

45%

Answer: .[tex]306^{-3}[/tex]

Step-by-step explanation:

Answer: +6.03E-3

Step-by-step explanation:

[tex]0.00603=6.03*10^{-3}[/tex]

6.03*10⁻³=+6.03E-3

Answer:1.c 2.b 3.a

Step-by-step explanation:

Answer:

The answer is 2, and thanks for asking my day's good :D
How's your day?

Step-by-step explanation:

Step-by-step explanation:

16.80 - 20% of 16.80 = 13.44

you paid 13.44$

Answer:

=13.44

Step-by-step explanation:

0.20×16.80=3.36

16.80-3.36=13.44