Mathematics Middle School

what would the variable (letter) equal?
9x = 27
x=
expression or equation:

Answers

Answer 1
x=3

9x=27
Divide by 9 on both sides
x=3
Answer 2

Answer:

x = 3

Step-by-step explanation:

9x = 27

divide both sides of the equation by 9:

9x/9 = 27/9

x = 3

Related Questions

Nine cubes are glued together to form the solid shown in the diagram. The length of one cube is 2.75 millimeters. What is the surface area, in square millimeters, of the solid

Answers

It’d be A. Which is “24.75”

Find the surface area of each figure to the nearest 10th. Use 3.14 for π

Answers

Answer:

149.8

Step-by-step explanation:

Solution in the pic below.

Hope this helps, and let me know if my answer was correct! Thanks!

-kiniwih426

HELP ASAP PLEASEEEE I NEED HELP!!!!!!!!!

Answers

Answer:

I think the question 26 on the first page is C sorry if I'm wrong

Step-by-step explanation:

Answer:

26 is c, 20 is b, 30 is c

Step-by-step explanation:

26:

The relationship between 2,560 and 256 is that 2,560 is 10 times 256, and the only options that include "10 x" is b and c and b has (2+5+6) which doesn't equal 256, whereas c does.

20:

The bottom layer is 15 blocks, so then add the two more on top of the bottom layer and it's 17, so b.

30:

The width of the prism is 2, the length is 8, and the height is 4, so 2x8x4 is 64. They want a prism that's 1/4 the volume, so 64/4 is 16. (You could also just take 4 out of the 2x9x4 equation and get 2x8 which is 16).

Could someone help me! Will mark brainlist!
Also, tell me how you found the answer.

Answers

Answer:

1/2

Step-by-step explanation:

Tails is 1/2 because it is 50% out of 100 so like half.

Hope it helps

Answer:

the answer should be " 1/2 "

Step-by-step explanation:

There are total 2 sides of the coin so that could be the denominator.

You need the tail side which is only one side of the coin, so that could be numerator of the fraction

Hope this helps!

i have a d in my class but i need it caught up to a b or an a asap so will anyone help me please? do like two sepperate answers for both but in one answering way

Answers

Answer: i do not under stand your question so edit your question and then i will edit my answer so you can get your answer

Step-by-step explanation:

 A jar contains only​ pennies, nickels,​ dimes, and quarters. There are 27 ​pennies, ​13 dimes, and 24 quarters. The rest of the coins are nickels. There are 87 coins in all. How many of the coins are not​ nickels? If n represents the number of nickels in the​ jar, what equation could you use to find​ n?

Answers

Answer:

64 coins are not nickels and the equation used to find 'n' is 87 - (27 + 13 + 24) = n

1. Joey has 38 bottles. A carton holds 6 bottles. How many cartons does she need?

2. Eggs are packed in cartons in 12. How many cartons do u need to pack 100 eggs

VERY EASY QUESTION FROM GR.3
SOLVE IN SECONDS!

Answers

Answer:

she needs 7 cartons for the bottles and 9 cartons for the eggs

Answer:

7 cartons for the bottles and 9 cartons for the 100 eggs.

Step-by-step explanation:

Please Help I will reward Brainliest

Answers

Answer:

Step-by-step explanation:

2.1 inches is the measurement given

Using the same information above, what percentage of flea collars would not be acceptable to ship according to this sample?

A.32 out of 36 collars, or 89%
B.4 out of 36 collars, or 11%

Answers

B because your allow to ship according to the sample
B because you are all own to ship according to the sample

A scientist looks at a cell through a microscope. The actual diameter of the cell is 2.5 x 10*-5 meters. What is the diameter of the image of the cell if it id magnified 400 times? PLS HELP. NEED IT QUICKLY TY

Answers

Answer:

use a calculator

Step-by-step explanation:

What does a equal? (This assignment is past due so please help me)

Answers

I think it mean dog in Spanish
2/3(9a+6)=25.6
a = 3.6

help pls what is c/6=9

Answers

C=54 Hope this helps!
C/6=9

54

How?

Multiply both sides of the equation by 6
6•C/6= 6•9

Simplify both sides of the equation.
Cancel the common factor

C= 6•9

Multiple:

54

A radar measures the speed of a car at 45 miles per hour. The actual speed of the car is 40 miles per hour what is the percent error in the reading of the radar.

Answers

Answer:45

Step-by-step explanation:

answer: 11.11%

step-by-step explanation:
the radar was off by 5 miles per hour, so we need to find what percent 5 is out of 45. percent of (times) if you don’t know how to find that out.
make the assumption that 45 is 100% because it is the output.
next we represent the value we seek with x. so 100% = 45 and x% = 5.
this gives us the simple pair of equations 100% = 45(1) and x% = 5(2).
then multiplying the equations together like 100%/x% = 45/5.
make it into its reciprocal so x%/100% = 5/45. that comes out to be x= 11.11%
5 is 11.11% of 45 so the radar is off by 11.11%

What is the squared root of 1000

Answers

Answer:

31.6227766017

Step-by-step explanation:

There is no solid number for the square root of 1000 but that is the closest

Answer:

31.62277660168379

Step-by-step explanation:

It's no direct square root, but this is as close as possible.

if you want to then round to 31.62

Choose the value for x that makes the proportion true.

1lb/16oz = x lb/64oz

A. 3
B. 4
C. 5
D. 6

Answers

Answer:

B. 4

4 pounds equals 64 ounces

It is B. 4

You multiply 1 by 4

In each diagram, x represents a different value.

A. What is something that is definitely true about the value of x?

B. What is something that could be true about the value of x?

Answers

a. not a whole number (fraction or decimal)

b. it could be a fraction or decimal

Here, all the x values are decimals or fractions.

What is number line?

A number line is a visual representation of numbers on a straight line. This line is used to compare numbers that are placed at equal intervals on an infinite line that extends on both sides, horizontally or vertically.

From the number line A, x=-0.3

From the number line B, x=0.3

From the number line C, x=-1.4

From the number line D, x=0.7

A) Here, all the x values are decimals or fractions

B) All the x value are greater than -2 and less than 1.

Therefore, here all the x values are decimals or fractions.

Learn more about the number line here:

https://brainly.com/question/13425491.

#SPJ2

Please help, I have no idea how to do this

Answers

Answer:

cube is 100cm + area of pyramid

I need help pleaseee!!

Answers


answer:



x=-4/7 and the slope is 7

Answer:

3

Step-by-step explanation:

The slope of a line is the rate of change

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

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

with (x₁, y₁ ) = (2, 12 ) and (x₂, y₂ ) = (0, 4) ← 2 ordered pairs from the table

m = [tex]\frac{4-12}{0-2}[/tex] = [tex]\frac{-8}{-2}[/tex] = 4

y = 7x + 4 ← is in slope- intercept form

with slope m = 7

Difference between rates of change = 7 - 4 = 3

A sample is considered to be _____ if one or more parts of the population is more likely to be selected for the sample.

Biased

or

Unbiased

Answers

Answer:

I think biased

Step-by-step explanation:

Answer:

A sample is considered to be  

biased

if one or more parts of the population is more likely to be selected for the sample.

Step-by-step explanation:

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