help me please i don’t get this

Answer:

Give tjbears branliest

Step-by-step explanation:

Answer:

n=-2

Step-by-step explanation:

1−(2n+9)=4(1−2)

1+−1(2n+9)=4(1−2)

1+−1(2n)+(−1)(9)=4(1−2)

1+−2n+−9=4(1−2)

1+−2n+−9=−4

(−2n)+(1+−9)=−4

−2n+−8=−4

−2n−8=−4

−2n−8+8=−4+8

−2n=4

Divide both sides by -2

-2n/2=4/-2

n=-2

Answer:

n = -2

Step-by-step explanation:

remove () from equation so its 1-2n-9=4× -1

calculate the differences and multiply

-8-2n=-4

move the constant to the right of the equation  -2n=-4+8

calculate the sum -2n=4 divide both sides of equation by -2  

and boom n=-2

Answer:

second answer

Step-by-step explanation:

Answer:

C. Emma is confused about which number the 4 is being subtracted from

Step-by-step explanation:

The answer is C.

Emma would be correct if 4 was being added or if the equation would be set up so it reads 16-4 = t. However, she is wrong because 12-4 does not equal 16.

Answer: c(h) = 65+52.50h

Step-by-step explanation:

Given: per hour cahrge = $52.50

Service charge = $ 65

Total money charged by plumber = Service charge+(per hour change) (Number of hours)     ...(i)

If c(h) = Total cost of the bill for h hours.

Then, c(h) = 65+52.50h    [Substitute all values in (i)]

The required function: c(h) = 65+52.50h that represents the cost of the total bill.

Answer:

B

Step-by-step explanation:

To find how many hours she worked you must divide $65 by $5 and B is the only equation where you can do that.

Complete question :

Joyce uses 3/10 bag of chocolate chips for each batch of cookies she makes. What is the least number of batches Joyce can make if she has to open a second bag of chocolate chips? Enter your answer in the box.

Answer:

4 batches

Step-by-step explanation:

Fraction of a bag of chocolate used per batch = 3/10 of a bag

Least number of batches that must be made if a second bag must be open :

Number of batches that can be made from the first bag :

1 bag / (3/10 of a bag)

1 / (3/10 * 1)

1 / (3/10)

1 ÷ (3/10)

1 * 10/3 = 10/3

= 3.333 batches

If another bag will be open, the it will be used to complete the incomplete batch. Hence, the least number of batches that can be made will be 4

Answer:

4 batches

Step-by-step explanation:

Number of batches that can be made from first bag:

1 bag / (3/10 of a bag)

1 / (3/10 * 1)

1 / (3/10)

1 ÷ (3/10)

1 * 10/3 = 10/3

= 3.333 batches

Adds up to 4 batches

Answer:

d is the correct answer in this problem

Answer:

m=5

Step-by-step explanation:

You use the slope formula to find your answer.

Step-by-step explanation:

(9a4 + 2a2 + 5) – (16a4 – 7a2 + 1)

A. 25a4 – 5a2 – 4

B. –7a4 – 5a2 + 6

C. 25a8 + 9a4 + 6

D. –7a4 + 9a2 + 4

5.Multiply 9x2(2x2 + 8x).

A. 18x4 + 72x3

B. 18x2 + 72x3

C. 11x4 – 17x3

D. 90x4

Answer:

SA=2lw+2lh+2hw

Step-by-step explanation:

Surface area is the sum of the areas of all faces (or surfaces) on a 3D shape. We can also label the length (l), width (w), and height (h) of the prism and use the formula, SA=2lw+2lh+2hw, to find the surface area.

Answer:

3

Step-by-step explanation:

just trust me

Answer:

2 with the exponent of 10

Step-by-step explanation:

Answer:

[tex](2^{3}) (3^{4})[/tex]

Step-by-step explanation:

You would just count how many twos and threes there are... There are 3, 2s and there are 4, 3s. and you just put how many there are on the top right of the number :)

Answer:

17/22,22/37,7/15,5/17

Step-by-step explanation:

Answer:

The slope is 2!

Step-by-step explanation:

x1   y1     x2    y2

3    5      -1      -3

y2-y1/x2-x1

-3-5/-1-3

-8/-4

2

Answer:

2

Step-by-step explanation:

-3 - 5 = -8

-1 - 3 = -4

Slope = 2

Answer:

Step-by-step explanation:

pls explain i dont understant what your ar tying to say

Answer: 21

Step-by-step explanation: you have to put the numbers in the correct order so, 18,20,21,22,24 is the correct order and 21 is directly in the middle.

Answer:

Part A: the parabola opens upwards

Part B: [tex]x=\frac{3}{2}[/tex]

Part C: The vertex point is [tex](\frac{3}{2},-\frac{1}{2})[/tex]

Part D: [tex]y=4[/tex]

Part E: [tex]x_{1}=1[/tex] and [tex]x_{2}=2[/tex]

Step-by-step explanation:

We have the function:

[tex]f(x)=2x^{2}-6x+4[/tex]

Where the coefficients are:

a = 2

b = -6

c = 4

Part A:

Here we can see that the leading coefficient of our parabola (a = 2) is positive, so by the definition, the parabola opens upwards.    

Part B:

The axis of the symmetry equation is given by:

[tex]x=\frac{-b}{2a}[/tex]

[tex]x=\frac{-(-6)}{2(2)}[/tex]

[tex]x=\frac{6}{4}[/tex]

[tex]x=\frac{3}{2}[/tex]

Part C:

The vertex is the minimum point of our parabola.

Using the x value founded in Part B we can find f(x)=y.

[tex]y=2(3/2)^{2}-6(3/2)+4[/tex]

[tex]y=2(9/4)-6(3/2)+4[/tex]

[tex]y=(9/2)-3(3)+4[/tex]

[tex]y=(9/2)-9+4[/tex]

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

Therefore, the vertex point is [tex](\frac{3}{2},-\frac{1}{2})[/tex]

Part D:

To get the y-intercept we just need to do x = 0.

[tex]y=2(0)^{2}-6(0)+4[/tex]

[tex]y=4[/tex]

The y-intercept is (0,4)

Part E:

To get the x-intercept we just need to do y = 0.

[tex]0=2x^{2}-6x+4[/tex]

[tex]2(x-2)(x-1)=0[/tex]

[tex]x_{1}=1[/tex]

[tex]x_{2}=2[/tex]

The x-intercept is (1,0) and (2,0)

I hope it helps you!

Answer:

-8

Step-by-step explanation:

Substituting x=-1

=> 3(-1)²-5

=> -3-5

=> -8

Answer:

125

Step-by-step explanation:

we have

x*.28= 35

we divide both sides by .28 and get

x= 125

and 28% of 125 = 35

Hope it helps !

[tex]\text{35 is 28\% of what \# ?}[/tex]

[tex]\bold{Equation: y = \% \times \ \# }[/tex]

[tex]\bold{We\ should\ now\ start\ looking\ for\ your\ unknown\ number}[/tex]

[tex]\bold{\# =\dfrac{y}{\%}}[/tex]

[tex]\bold{y=35}[/tex]

[tex]\%=28[/tex]

[tex]\bold{\#=\dfrac{35}{28\%}}[/tex]

[tex]\text{Convert 28\% to decimal}[/tex]

[tex]\bold{28\% =\dfrac{28\%}{100}=0.28}[/tex]

[tex]\bold{New\ equation: \dfrac{35}{0.28}}[/tex]

[tex]\bold{Simplify\ the\ one\ above\ and\ you\ have\ your\ mystery\ number}\uparrow[/tex]

[tex]\boxed{\boxed{\bold{Answer: 125}}}\checkmark[/tex]

~[tex]\frak{Amphitirite1040}[/tex]

Answer:

Use Print statement

Step-by-step explanation:

The most common way to check this would be to use the print statement in whatever language you are using to have the value of that variable print to the screen/console. That way you know exactly what value your variable has stored within it at the moment that the print statement runs. Each language has a similar but different print statement like so...

Python: print(variable)

Java: System.out.println(variable);

Answer:

Step-by-step explanation:

12

Answer:

Angle 10 = 95°

Angle 11 = 85°

Angle 12 = 95°

Angle 13 = 85°

Angle 14 = 95°

Angle 15 = 85°

Angle 16 = 95°

Step-by-step explanation:

If angle 10 = 95°, then angle 12, angle 14, and angle 16 will also = 95°.

This is worked out using the alternate angles, or the Z angle.

Angle 9 =180°-95° = 85°    

his is worked out using rue of 'all the angles on a straight line equals to 180°.

If angle 9 = 85°, then angle 11, angle 13, and angle 15 will also = 85°

This is worked out using the alternate angles, or the Z angle.

Hope this will help you.

Answer:

the correct answer is B if i do believe so

Step-by-step explanation:

Answer:

$135.00

Step-by-step explanation:

1 percent off 270.00 is 267.30,The difference is 2.70

50 percent off 270.00 is 135.00,The difference is 135.00

51 percent off 270.00 is 132.30,The difference is 137.70

52 percent off 270.00 is 129.60,The difference is 140.40

53 percent off 270.00 is 126.90,The difference is 143.10

and it just keeps going! Hope this helped!! :))

Answer:

B

Step-by-step explanation:

Answer:

$73.25

Step-by-step explanation:

35 + 2.55(15) = 38.25 + 35 = 73.25

Answer:

Step-by-step explanation:

Marta made a mistake at step 1

Property to be used

Answer:

50

Step-by-step explanation: