PLEASE HELP I’LL GIVE BRAINLIEST!

Questions:
1. How do you solve for a specific variable?
2. Why would you want to solve for a specific variable?
3. Show an example of solving for a specific variable.

Answers

Answer 1
Here the first one, One goal in solving an equation is to have only variables on one side of the equal sign and numbers on the other side of the equal sign. The other goal is to have the number in front of the variable equal to one. The strategy for getting the variable by itself with a coefficient of 1 involves using opposite

Related Questions

The angle measurements in the diagram are represented by the following expressions.
A= 5x - 15°
B = 2x + 21°
Solve for x and then find the measure of

Answers

Answer:

45°

Step-by-step explanation:

A and B are Alternate exterior angles and congruent, thus

5x - 15 = 2x + 21 ( subtract 2x from both sides )

3x - 15 = 21 ( add 15 to both sides )

3x = 36 ( divide both sides by 3 )

x = 12

Thus

∠ A = 5x - 15 = 5(12) - 15 = 60 - 15 = 45°

∠ B = 2x + 21 = 2(12) + 21 = 24 + 21 = 45°

how long is 46.287 minutes

Answers

Answer:

0.77145 hours it is also 2777.22 seconds

Step-by-step explanation:

Cuánto es (-12) - 21 =
Explicación del pq da a ese resultado, por favor.​

Answers

Answer:

the answer is -33 srry couldn't explain :(

Answer:

Step-by-step explanation:

(-12)-21= -33. Tienes q sumar porque son del mismo signo y se queda con el signo de negativo por que ambos números son negativos.

X if 1/3 of x is 14 Please help!bb

Answers

Answer:

Step-by-step explanation:

x/3 = 14

x = 42



which shapes are congruent to shape I in question 1

Answers

There is no picture attached

Answer:

Step-by-step explanation:

sample answer:

Shapes II, IV, and V are all congruent to shape I.

The number of calories consumed from an apple is directly proportional to the number of apples eaten. If 4 apples contain 380 total calories, how many apples would you have to eat to reach a total of 1,045 calories?

Answers

Answer:

Step-by-step explanation:

The direct proportion equation is y = kx which reads, "y is directly proportional to x". k is the constant of proportionality. In our case, we read this is as, "the number of calories is directly proportional to the number of apples eaten." Our equation would look like c = ka. We first are given that a = 4 and  = 380. We will use that to solve for k:

380 = k4 so

k = 95. Now that know the value of k, we will use that along with the number of calories (1045) to find the number of apples, a:

1045 = 95a so

a = 11

This means that it will be 11 apples that contain 1045 calories.

A student is trying to find the sum of 5/6 + 3/4 + 1/5 They first tried to use 24 as a common denominator. Why does 24 not work as a common denominator?

Answers

Answer:

24 does not work as a common denominator because it is not the Lowest Common Multiple of 6, 4 and 5.

Step-by-step explanation:

In that above question, we are told that:

A student is trying to find the sum of 5/6 + 3/4 + 1/5

Step 1

The first step would be to find the Lowest Common Multiple of the denominators (6, 4, 5).

Lowest Common Multiple can be defined as the number that is the lowest quantity of the multiple of 2 or 3 number.

The lowest common multiple for 6, 4, 5 = 60. This is that number that the 3 denominators can be divided in

Hence,

5/6 + 3/4 + 1/5

= 5 × 10 + 3 × 15 + 12× 1/60

= 50 + 45 + 12/60

= 107/60

= 1 47/60

24 does not work because it is not the Lowest Common Multiple of 6, 4 and 5.

The lowest common multiple for the 3 denominators = 60, therefore 60 should be used.

Talia has a square framed moving box with an area of 16 square feet. The cube shaped box has a volume of 66 cubic feet. Will the poster lie flat in the box?

Answers

Answer:

4,4,64,larger,larger,would

Step-by-step explanation:

Begin by finding the dimensions of the poster. Since it is in the shape of a​ square, each edge will be the same length. and 16 divided by 4 is 4 and then you do 16 x 4 you get 64 and then you know is the box larger or not in this case the box is larger.

PLEASE HELP I WILL MARK YOU BRAINLIEST

Answers

Answer:45.. good luck:)

Step-by-step explanation:

It’s d .... you do length times width times height

PLZZ GIVE BRAINLIEST I NEED IT FOR MY NEXT RANK

Answer:

45

Step-by-step explanation:

If you just take the length (3)

and the width (5)

and multiply them it'll give you 15

then multiply that by the height(3)

and thats how you get 45!

The formula c = 2.54n can be used to convert a measurement of c centimeters to an equivalent measure of n inches. Henry is 170 cm tall. What is his height, in inches? Round your answer to the nearest tenth of an inch. 66.7 in. 66.8 in. 66.9 in. 67.0 in.

Answers

Answer:

66.9

Step-by-step explanation:

Answer:

[tex]\boxed {\tt 66.9 \ inches}[/tex]

Step-by-step explanation:

We are given the formula:

[tex]c=2.54n[/tex]

where [tex]c[/tex] is centimeters and [tex]n[/tex] is inches.

We know that Henry is 170 centimeters tall. Therefore, we can substitute 170 in for [tex]c[/tex]

[tex]170=2.54n[/tex]

We want to find out how tall Henry is, in inches. We must isolate the variable for inches, [tex]n[/tex], on one side of the equation.

[tex]n[/tex] is being multiplied by 2.54. The inverse of multiplication is division. Divide both sides of the equation by 2.54

[tex]\frac{170}{2.54} =\frac{2.54n}{2.54}[/tex]

[tex]\frac{170}{2.54}=n[/tex]

[tex]66.9291339=n[/tex]

Round to the nearest tenth. The 2 in the hundredth place tells us to leave the 9 in the tenth place.

[tex]66.9 \approx n[/tex]

[tex]n \approx 66.9 \ inches[/tex]

Henry is about 66.9 inches tall.

evaluate ( r - s ) 3 t r 2 r =-3 s=-4

Answers

Answer:

-9t

Step-by-step explanation:

(r-s) 3 × t × r

(-3- -4) 3 × t × -3

3 × t × -3

-9t

Given f(x) = 4(x - 8), determine the value of f(10).

Answers

Answer:

f(x) = 4(x - 8)

        4 (10 -8) = 8

Step-by-step explanation:

8 because you would replace the x with 10. f= 4((10) - 8)

What is the slope for y=3x-4? What is the y-intercept for y=3x-4?​

Answers

Step-by-step explanation:

Equation of a line is y = mx + c

where

m is the slope

c is the y intercept

From the question the equation of the line is

y = 3x - 4

Comparing with the general equation above

The slope /m = 3

The y intercept / c = - 4

Hope this helps you

. Jane made a door frame for the house but does not have a tool to measure the angles. How can she check that the corner is 90 degrees?

Answers

She can use any square object around her. Since squares are made up of right angles, any side she chooses can be used to compare the angle of the door. If the square corner fits perfectly, the angle is 90. If the square fits with space, obtuse. If the square doesn’t fit, acute

Answer:

She needs to measure the length of the diagonal and two sides of the frame. Then she needs to find the square of each measure. If the sum of the squares of the two smaller sides equals the square of the diagonal, then she created a right triangle.  

Step-by-step explanation:

edg 2022

Please help me simplify the following expression

Answers

Answer:

= x^3y /2

Step-by-step explanation:

If you need an explanation, I can't give you one sorry. It's one of those things i can do but not the best at explaining lol

The answer to simplify the following expression is x^3y/2

How to evaluate a piecewise function ?

Answers

Answer:

So it's going to be 3 times 2 minus 8 3 times 2 is 6 6 minus 8 is negative 2 and that's the answer.

Step-by-step explanation:

I am so dumb i can't understand geometry

Answers

Answer:

For part A its called a ray.For part B it would be EA.

Step-by-step explanation:

Part A would be called a ray because B is the endpoint while C is continuous and a ray has only one endpoint.Part B is EA because E would be the endpoint while A would be continuous.  

PLEASE HELP, BEST ANSWER GETS BRAINIEST Each letter of the word "RESPONSIBLE" is written on a separate slip of paper and placed in a hat. 1) What is the probability of choosing an E? 2) What is the probability of choose an "E" and then an "R" without replacing the letter? Write as a fraction

Answers

Answer:

1) 2/11

2) 2/121

Step-by-step explanation:

1. Because there are 2 E's, you have to chances out of your 11 changes, thus why the fraction 2/11 is the solution.

2. You know that 2/11 is the first fraction, so now find R. R has a 1/11 chance of getting chosen, so you multiply 2/11 and 1/11 to get 2/121.

Answer:

1) 2/11

2) 2/121

Step-by-step explanation:

Do two points always, sometimes, or never determine a line? Explain.

Answers

Answer: sometimes

explanation:

if there are two points then there could be a line to connect them, however, there could always be two points that are separate on their own.

Answer:

Always

Step-by-step explanation:

If 2 distinct points lie on the plane then it determines the line. You can also verify if you can find the slope, with these 2 coordinate points, and then find the equation of the line but using point slop form and/or slope intercept form which is y=mx+b

5x - 8x + 9 = 2x + 39​

Answers

Answer:

pliz send me the formula, only dsn I can solve your answer

The answer to your question is -6

- 11r+3= - 41
Please

Answers

Answer:

R=4

Step-by-step explanation:

Witch three values are equivalent to 3/8?

62.5%

0.375

1/4

6/16

3.75%

50%

37.5%

3.75

Answers

Answer:

0.375

6/16

37.5%

Step-by-step explanation:

Can't be above 50% because that would be 4/8, which rules out 62.5%, 50%, and 3.75, and 3.75% is super low, which leaves 4 answers, but 1/4 doesn't equal any of the others. Also, 3/8 x 2 is 6/8, and 0.375 = 37.5%

Find point A ( x, y ) if point B is ( 6 , 10 ) and the midpoint between A and B is ( -4,5)

Answers

Answer:

(14,0)

Step-by-step explanation:

slope 10/5 or 2

What is the image of the point (-5,4) after a rotation of 270° counterclockwise
about the origin?

Answers

Answer:

A counterclockwise rotation of 270º about the origin is equivalent to a clockwise rotation of 90º about the origin. Given a point (4, 5), the x-value, i.e. 4 and the y-value, i.e. 5 are positive, hence the point is in the 1st quadrant of the xy-plane.

Step-by-step explanation:

Select the figure
Two line segments that both have a midpoint at point M.

Answers

Answer:

B

Step-by-step explanation:

a midpoint is halfway through. so if both lines are split in half by point m then it's right. b looks right to me but if it looks different to you, go with your gut

A teacher would like to study how students' seating locations in the classroom affects their test scores. If he were
creating an experiment, which of the following are part of an appropriate experiment? SELECT ALL THAT APPLY.
A)He would choose a random sample of students from all of his classes to collect data,
B) He would track the test scores of certain students in their current seat locations, then move their seats and continue to track their
test scores
C) He would record students' test scores as well as their seat locations,
D) At the end of the study, he would conclude causation,
E) He would follow one student's test scores and keep her seat the same the entire semester

Answers

Answer:

B, C, D, maybe A

Step-by-step explanation:

the smallest number by which 28 should be multiplied so as to get a perfect square is​

Answers

Answer:

7.

Step-by-step explanation:

28 = 2^2 * 7.

To multiply 28 to get a perfect square, we can multiply it by 7 to get 2^2 * 7^2, which is 14 squared.

Suppose S is between R and T. Use the Segment Addition Postulate to solve for the variable. Round to three decimal places. RS = 9y − 2 ST = y + 7 RT = 26

Answers

Answer:

The variable y = 2.100

Step-by-step explanation:

Here, we are told to solve for the variable y.

We are asked to use the segment addition postulate. In summary, the postulate is of the opinion that given 3 points X,Y and Z, we can only say that these 3 points are collinear(lie on the same line) if they obey the formula below;

XZ = XY + YZ

Now, we have that S is between R and T.

Mathematically that means;

RT = RS + ST

from the question, we are told that RT = 26, RS = 9y-2 and ST = y + 7

Now, insert these values into the alphabetical equation;

26 = (9y-2) + (y + 7)

26 = 9y-2 + y + 7

26 = 9y+y -2 + 7

26 = 10y + 5

26-5 = 10y

10y = 21

y = 21/10

y = 2.1

Which is y = 2.100 to three decimal places

graph the function y= 2.2 - |0.4x + 1|. what are the coordinates, to the nearest tenth, of the maximum of the graph.
A. (2.5, 2.2)
B. (-2.5, 2.2)
C. (0, 3.2)
D. (3.2, 0)

Answers

Answer:

B

Step-by-step explanation:

no explanation.......

Answer:

(-2.5,2.2)  

Step-by-step explanation:

Domain:
I need the domain

Answers

Answer:

Domain:The set of possible input values (using the “x” variable), which produce an output from a function.

Step-by-step explanation:

have a great day :)

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