Someone please help me I’ll give out brainliest please dont answer if you don’t know

Answer:

y= 3x+ 1

Step-by-step explanation:

-3x   +   2y =2

+3x            +3x

---------------------

2y = 3x +2

-----   --------

2           2

y = 3x + 1

Answer:

A. 380.1 mm²

General Formulas and Concepts:

Symbols

Pre-Algebra

Order of Operations: BPEMDAS

Geometry

Area of a Circle Formula: A = πr²

Radius Formula: [tex]\displaystyle r = \frac{d}{2}[/tex]

Step-by-step explanation:

Step 1: Define

Identify variables

d = 22 mm

Step 2: Derive

Rewrite formula

Step 3: Solve for A

Answer:

Graph included as picture

Step-by-step explanation:

To solve this, plot the given points on the graph

Draw a line through them.

Now select two of those values and we'll find the rate of change.

We'll be using (1,-1) and (3,3)

To find rate of change we will be using the formula: [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]

[tex]y_{2} = 3\\y_{1} =-1\\x_{2} = 3\\x_{1} = 1[/tex]

[tex]\frac{3-(-1)}{3-1} = \frac{4}{2} = 2[/tex]

So the rate of change is 2

You will use this rate of change for your other function because they both have the same rate of change

Since we have the rate of change, we can create the slope intercept form formula: y = mx +b

Just substitute for the variables we know

m = rate of change/slope = 2

b = y-intercept = -3

y = 2x + -3

[If you connected all the points in your graph, that's how you found the y-intercept]

Now we have to create the formula for the second function.

We know it will have that same slope of 2

so we have y = 2x + b

To solve for b we can plug in the values we do have which would be (x,y) of (3,6)

6 = 2(3) + b

Now solve

6 = 6 + b

6 (-6) = 6 (-6) + b

0 = b

b = 0

This mean that the y-intercept will be on (0,0)

Plot that point

Now we finish the formula

y = 2x + 0

Connect the dots, make sure the line continues on both of them past the dots and now you have your graph!

I've included a picture of the graph for your reference. I hope this helps, don't be afraid to reach out with further questions!

Answer:

b

Step-by-step explanation:

Since the given discriminant is 10, hence the roots will be real, irrational, and unequal

The discriminant is used to determine the nature of the roots of a quadratic equation. The formula for finding the discriminant is expressed as:

D = b^2 - 4ac

Since the given discriminant is 10, hence the roots will be real, irrational, and unequal

Learn more on discriminant here: https://brainly.com/question/24730520

Answer:

x = 85

Step-by-step explanation:

The Pythagorean theorem is a property that is specific to right triangles, or triangles with a right angle. The Pythagorean theorem states the following,

[tex]a^2 + b^2 = c^2[/tex]

Where (a) and (b) are the legs or the sides adjacent to the right angle, and (c) is the hypotenuse or side opposite the right angle.

Substitute in the given values and solve,

[tex]13^2 + 84^2 - x^2\\\\169 + 7056 = x^2\\\\7225 = x^2\\\\85 = x[/tex]

Answer: I think it is B

Step-by-step explanation:

Answer:

2,095 students.

Step-by-step explanation:

3014/200 =  15.07 groups of students

15.07 groups x 139 students =  2094.73 students -> rounds to 2095

Answer:

22

Step-by-step explanation:

Answer:

1. 4x -3 = 2x + 9

  4x - 2x + 9 +3

  2x = 12

  x=6

2. -2x + 4= 6x -20

   -2x -6x = -20 - 4

    -8x = -24

     x=3

Answer:

Correct answer: (Standard Deviation of means)

Step-by-step explanation:

#platolivesmatter

Hoped this helped! XD

The standard deviation of the means measure describes the standard error of the mean

Statistic is the study of mathematics that deal with relations between comprehensive data.

A standard deviation (or σ) is a measurement of how spread the information is in relation to the mean. A lower standard deviation means data are bunched around the mean, and a high standard deviation implies data are more scattered out, and best describes the error related to or around the mean.

From the above definition it is clear that  standard deviation of the means measure describes the standard error of the mean.

Thus, the standard deviation of the means measure describes the standard error of the mean

.

Learn more about Statistics here:
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Which measure describes the standard error of the mean to be determined from the option given below.
A. the central limit theorem B. the sample mean C. the confidence interval D. the standard deviation of the means

Answer:

B. 74°

Step-by-step explanation:

n and 106° are same-side interior angles.

Same side interior angles are also supplementary angles, meaning they add to 180°.

n+106=180

n=74°

Answer:

Mass of coffee A beans = 9 kg

Step-by-step explanation:

Coffee A = 3

Coffee B = 5

Coffee C = 7

A : B : C = 3 : 5 : 7

Total ratio = 15

Total mass of the bag = 45 kg

find the mass coffee beans A in the mixture?

Mass of coffee A beans = ratio of coffee A / total ratio × total mass of the bag

= 3/15 × 45

= 1/5 × 45

= (1 * 45)/5

= 45/5

= 9 kg

Mass of coffee A beans = 9 kg

Mass of coffee B beans = ratio of coffee B / total ratio × total mass of the bag

= 5/15 × 45

= 1/3 × 45

= 45/3

= 15 kg

Mass of coffee C beans = ratio of coffee C / total ratio × total mass of the bag

= 7/15 × 45

= (7*45)/15

= 315/15

= 21 kg

Answer:

You didn't post any questions

Answer:

2

Step-by-step explanation:

Answer:

C.

Step-by-step explanation:

Answer:

the middle points (-1,-3) the answer a

Step-by-step explanation:

Answer:

none of the answer choices work sorry.

Step-by-step explanation:

Answer:

10 units²

Step-by-step explanation:

In the second photo.

Answer:

804.25

Step-by-step explanation:

The area of a circle = pi(r)^2

Given the diameter, we can find the radius by dividing the diameter in half.

r=16

pi(16)^2 = 804.25

Answer:

803.84 OR 256 pi

Step-by-step explanation:

Ok!

Step 1:

The area of a circle is Pir^2. (Sorry it’s pi r squared, I don’t have the pi symbol or the exponent function on my iPad.)

R is radius. Remember, radius is half the diameter.

32/2=16.

Step 2:

Do 16^2.

You should get 256.

Step 3:

Multiply 256 by Pi. Pi is 3.14. You should get 803.84.

Step 4:

803.84 should be the answer, I THINK (not sure) you can also write your answer as 256 pi. Depends on what your teacher wants. Hope this helps! Next time you can search up how to find the area of a circle, there are lots are tutorials!

Answer:

1 1/2 cups flour. 1 1/3 cup oats. 4/9 cup oats.

Step-by-step explanation:

For every 3/4 cup of flour there is 2/3 cup of oats. So if you have 2/3 cup of oats you would have 3/4+3/4 cups of flour or 1 1/2 cups of flour. If you have 3 cups flour you would have 2/3+2/3 cup oats. Find the last amount by multiplying 1 by 1/3 then dividing by 3/4.

The missing value in the table is 1¹/₂ cups flour. 1¹/₃ cup oats. 4/9 cup oats.

An ordered pair of numbers a and b, represented as a / b, is a ratio if b is not equal to 0. A proportion is an equation that sets two ratios at the same value. The numerical relationship between two values demonstrates how frequently one value contains or is contained within another.

Oats make up 2/3 cup of every 3/4 cup of flour. Therefore, if you have 2/3 cup of oats, you will need 3/4 + 3/4 cups of flour, which is 1 1/2 cups. You would need 2/3 cup plus 2/3 cup of oats for every cup of flour. By multiplying 1 by 1/3 and then dividing by 3/4, you can determine the final sum.

To know more about ratios and proportions follow

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Answer:

2 to the power of 6 x 3 to the power of 3

Step-by-step explanation:

Answer:

b. 2 to the power 6 . 3 cubed

c. 12 cubed

Answer:

2 x 3.14 x 13 = 81.64 m is your circumference

13^2 x 3.14

169 x 3.14 = 530.66 m^2 is your area

Answer:

x = 9

Step-by-step explanation:

Not sure if you posted the right thing, but if f(x)=9, then x simply is 9.

Answer: 1 1/5  

Step-by-step explanation:

Answer:

240 would be your answer

Step-by-step explanation:

Answer:

I know an Edge quiz when I see one! Imao. The answer is 100%  C. 240

Step-by-step explanation:

Have a nice day! I was just doing the volume lesson.

Answer:

Solution given;

length(L) =6+12=18yd

again

b=√(15²-12²)=9yd

so

breadth (B)=8+9=17yd

since it is a rectangular shape so

perimeter of rectangle=2(L+B)=2(18+17)=70yd

70 yards of fencing materials do they need for the fence