PLSSSSSSS HELP 9th Grade Math

Answer:

all boxes except first should be checked

Step-by-step explanation:

the shaded area contains all solutions

see if each ordered pair resides in the solution area

Answer:

4y + 7

Step-by-step explanation:

Simplify. Use the distribution method, and follow PEMDAS.

PEMDAS is the order of operation. It stands for:

Parenthesis

Exponents (& Roots)

Multiplication

Division

Addition

Subtraction

Distribute 4 to all terms within the parenthesis. In this case, you are multiplying 4 to all the terms:

4(y + 3) = (4 * y) + (4 * 3) = 4y + 12

Next, combine like terms (terms with the same amount of variables);

4y + 12 - 5

4y + (12 - 5)

4y + 7

4y + 7 is your simplified expression.

~

Answer:

Yes

Yes

No

Step-by-step explanation:

9-12-15 is just a dilation of a 3-4-5, which is right.

6-8-10 is also a dilation of 3-4-5.

However, 2-4-6 is not a triangle. In fact, it's just a line segment, because 2+4=6

Answer:

Step-by-step explanation:

first lets meake the minutes into hours by dividing our minutes into hours

6300 / 60 = 105

so in total they go 105 hours in 15 days (5 days for 3 weeks is 15 days)

to find how many hours in each day lets divide our hours into the 5 days

105 / 15 = 7 hours a day

hope this helps <3

Answer:

The equation will be y=25x+50

Step-by-step explanation:

This is because 50 is only being charged once and is the constant.

They are charging $25 per day thus that is the slope.

Answer:

The answer is 1.

Step-by-step explanation:

None.

Answer:

7

Step-by-step explanation:

each 1 has 2 in it

so 3x2=6

add the extra half

6+1=7

Answer: -12

Step-by-step explanation: use synthetic division

Answer: -42

Step-by-step explanation:

9514 1404 393

Answer:

  r = 120t/(120 -t)

Step-by-step explanation:

Given t = f(r), solve for r.

  [tex]t(r+120)=120r \qquad\text{multiply by $r+120$}\\\\rt+120t=120r \qquad\text{eliminate parentheses}\\\\rt-120r=-120t \qquad\text{subtract $120t+120r$}\\\\r(t-120)=-120t \qquad\text{factor}\\\\r=\dfrac{-120t}{t-120} \qquad\text{divide by $t-120$}\\\\\boxed{r=\dfrac{120t}{120-t}} \qquad\text{negate numerator and denominator}[/tex]

Answer:

y=4x-22

Step-by-step explanation:

slope intercept form: y=mx+b

STEPS:

Hope this helps!

Answer:

no

Step-by-step explanation:

no

Answer:

[tex]2x^2+13[/tex]

Step-by-step explanation:

Given

[tex](-5x^2-2x+4)+(8x^2-x-1)-(x+2)(x-5)[/tex]

Required

Simplify

Expand brackets

[tex](-5x^2-2x+4)+(8x^2-x-1)-(x^2-5x+2x-10)[/tex]

[tex](-5x^2-2x+4)+(8x^2-x-1)-(x^2-3x-10)[/tex]

Open all brackets

[tex]-5x^2-2x+4+8x^2-x-1-x^2+3x+10[/tex]

Collect Like Terms

[tex]-5x^2+8x^2-x^2-2x-x+3x+4-1+10[/tex]

[tex]2x^2+13[/tex]

Hence, the polynomial simplifies to [tex]2x^2+13[/tex] and it has a degree of 2

Answer:

it think it is D

Step-by-step explanation:

just take one of the number and move it for example 4x right and 2y up and then look at where the connection is.

Answer:

Y=2/3x+1

Step-by-step explanation:

Answer:

X = 5 plz brainly me

Step-by-step explanation:

Step-by-step explanation:

[tex] \sqrt{x - 5} = 0 \\ \\ x - 5 = 0 \\ x = 5[/tex]

Answer:

(x, y)=(-8,1) this is substantial method

Answer: Identity Property of Addition

Step-by-step explanation: The identity property holds true for addition.

The statement 20 + 0 = 20 represents the identity property of addition.

The identity property of addition says we add 0

to any number, the sum is equal to the original number.

In general terms, we can write the identity property of addition

as a + 0 = a where a is a variable that represents any number.

Answer:

Train B

Step-by-step explanation:

Answer:

3:00 p.m.

Step-by-step explanation:

because 11:45 + 15 is 12:00 + 3 is 15:00 so it is 3:00 p.m.

Answer:

Step-by-step explanation:

The total distance is 30.

According to MQ = 30 .

And the first distance is

MN which is 5

MN = 5

and NO is equal to MN

MN = NO

giving us MN + NO = 10 or 5 + 5 =10

so if we need 30 and have 2 points that equal to 10

we need 20 more to equal 30

leaving OP = PQ or 10 = 10

10+10+5+5= 30

MN + NO + OP + PQ = MQ

THE ANSWER IS 10

Answer:

You are losing 9 percent for every cent or 0.09cents per cent.

Step-by-step explanation:

Step-by-step explanation:

❅ [tex] \underline{ \underline{ \text{Given}}} : [/tex]

❅ [tex] \underline{ \underline{ \text{To \: find}}}: [/tex]

✻ [tex] \underline{ \underline{ \text{Solution}}} : [/tex]

[tex] \sf{CP\: of \: 1 \: pencil = x \: ( \: suppose}) [/tex]

[tex] \sf{CP \: of \: 11 \: pencils = 11x}[/tex]

[tex] \sf{SP \: of \: 10 \: pencils = 11x}[/tex] { Since CP of 15 articles is equal to SP of 12 )

[tex] \sf{SP \: of \: 1 \: pencil = \frac{11}{10} x}[/tex]

Here , SP > CP. So, He / she made a profit.

[tex] \boxed{ \sf{Profit = SP - CP}}[/tex]

⟿ [tex] \sf{ \frac{11}{10} x - x}[/tex]

⟿ [tex] \sf{ \frac{11x - 10x}{10}} [/tex]

⟿ [tex] \sf{ \frac{x}{10} }[/tex]

Now , Finding the profit percentage :

[tex] \boxed{ \sf{Profit\% \: = \frac{Profit}{CP} \times 100\%}}[/tex]

⟿ [tex] \sf{ \frac{ \frac{x}{10} }{x} } \times 100\%[/tex]

⟿[tex] \sf{ \frac{x}{10} \times \frac{1}{x} \times 100\%}[/tex]

⟿ [tex] \sf{ \frac{ \cancel{x}}{10} \times \frac{1}{ \cancel{x} } \times 100\%}[/tex]

⟿ [tex] \sf{ \frac{1}{10} \times 100\%}[/tex]

⟿ [tex] \boxed{ \sf{10\%}}[/tex]

[tex] \purple{ \boxed{ \boxed{ \tt{⇢Our \: final \: answer : 10\% \: \: profit}}}}[/tex]

Hope I helped ! ♡

Have a wonderful day / night ツ

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Answer:

The answer is A because there are no coefficients which is a letter and 1 term.

Answer:

113.04

Step-by-step explanation:

formula for area is

pi times radius times radius

if the radius is 6,

do 6 times 6=36

36 times 3.14=113.04

Answer:

where is the picture

Step-by-step explanation:

Answer:

where's the picture?

Step-by-step explanation:

Answer:

The answer is

[tex]y = - 5x - 2[/tex]

Step-by-step explanation:

❃Incase you forgot what the linear equation formula is ☟

[tex]y = mx + b[/tex]

❃Incase you also forgot, The is what the slope formula is ☟

[tex]m = \frac{y_2 - y_1 }{x_2 - x_1}[/tex]

➊ First: We are going to be solving for the slope.

[tex]m = \frac{ - 2 - 3}{0 - ( - 1)} = \frac{ - 5}{ \: \: \: 1} = - 5[/tex]

➋Second: We find the y-intercept.

[tex]y = mx + b \\ 3 = - 5( - 1) + b \\ 3 = 5 + b \\ \frac{ - 5 = - 5 \ \ \: \: \: \: \: \: }{ - 2 = b}[/tex]

➌Third: Plug in.

[tex]y = - 5x - 2[/tex]

Answer:

Time required to save 1000$ is 100 hours

Step-by-step explanation:

Money wasted = 1000$

savings = 10.00$ per hour

using unitary method

if i am saving 10.00 $ per hour then let in t hours i save 1000$

⇒ 10.00 x t = 1000

dividing above equation by 10 we get,

⇒ t = 100 hours

Therefore, Time required to save 1000$ is 100 hours

Answer:

38

Step-by-step explanation:

All you have to do to find the perimeter of a 2D shape is to add the sides and put the unit of measurement at the end of your answer.

Perimeter of ABCD is 38 units.

From the picture attached,

Perimeter of the given parallelogram = AB + BC + CD + DA

                                                              = 9 + 10 + 9 + 10

                                                              = 38 units

     Therefore, perimeter of the given parallelogram will be 38 units.

Learn more about the perimeter of a quadrilateral here,

https://brainly.com/question/341702?referrer=searchResults

Answer:

              y + 3= 3(x - 6)        ←    point-slope form

             y = 3x - 21           ←    slope-intercept form

             3x - y = 21         ←    standard form

Step-by-step explanation:

The point-slope form of the equation of line it's y - y₁ = m(x - x₁), where m is the slope and (x₁, y₁) is the point the line passing through.

y=m₁x+b₁   ║   y=m₂x+b₂   ⇔    m₁ = m₂

{Two lines are parallel if  their slopes are equal}

y = 3x + 1   ⇒    m₁ = 3    ⇒    m₂ = 3

(6, -3)    ⇒    x₁ = 6,  y₁ = -3

point-slope form:

y - (-3) = 3(x - 6)

y + 3 = 3(x - 6)

y + 3 = 3x - 18              {subtact 3 from both sides}

y = 3x - 21        ←    slope-intercept form

-3x + y = -21                 {multiply both sides by (-1)}

3x - y = 21         ←    standard form