3a−1=2a
show work, please

Answers

Answer 1

Answer:

a = 1

Step-by-step explanation:

3a - 1 = 2a

3a - 2a - 1 + 1 = 2a - 2a + 1

a = 1

Answer 2

Answer:

Your answer is A = 1

Step-by-step explanation:

You would subtract 3a from 2a

so it would be -1 = 1a

Then divide by 1 and your answer is A= 1


Related Questions

850 projects were entered in the science fair. If 86% of the projects did not receive a ribbon, then how many student projects did receive a ribbon?​

Answers

Answer:

731 of the projects received a ribbon.

Step-by-step explanation:

850 x 0.86 = 731

Hope this helps!

Estimate a 15% tip on a dinner bill of $41.35 by first rounding the bill amount to the nearest ten dollars.

Answers

Answer:

Total you have to pay: $47.55

Tax amt: $6.20

Step-by-step explanation:

Multiply $41.35 by 1.15

How this works, when your increasing an amount you first change the percentage to a decimal number. Afterwards you add the decimal number

Ex: 1 + .15= 1.15

Or the opposite: 1 - .15= .85

Then multiply your original number by the number you got from the previous step.

Ex: $41.35 x 1.15=47.55

And to find how much you increase just do (Final amount-Initial Amount)

Help with question 4 please

Answers

Answer:     y=5                           x=11

abc=def                                      

ab=de                                         <b=<e

17y-8=12+13y                              11x-4=117

-13y        -13y                                  +4   +4

4y-8=12                                      11/11x=121/11

  +8  +8                                           x=11

4/4y=20/4

y=5

if 14 of the 22 students in mrs herberts 2nd period class choose math as the favorite subject, what is the P(math)

Answers

Answer:

A(math)

Step-by-step explanation:

Solve the quadratic equation: x^2+ 2x + 7 = 21

Answers

Answer:

x1 = -4.872983346

x2 = 2.872983346

Step-by-step explanation:

Given:

x^2+2x+7=21

Subtract 21 on both sides to get the right side equal to 0:

x^2+2x-14=0

Use the quadratic formula:

x1 = -4.872983346

x2 = 2.872983346

Brayden drew 9 hearts, 3 stars, and 8 circles. What is the ratio of circles to hearts?

Answers

Answer: 8:9

Step-by-step explanation:

Answer:

8 : 9

Step-by-step explanation:

Hearts = 8

Circles = 9

So your final ratio is 8 : 9!

SOMEBODY PLEASE HELP!! (view picture, math related$

Answers

Answer:

the answer is B

Step-by-step explanation:

A,B youll see the numbers go across

A circle with its center at O (6,5) has a radius of 5 units. Point P (2,y) lies on the circle. Also y<4. Find y

Answers

Finally, we know from the problem that P lies in the second quadrant. In the second quadrant, X is negative and Y is positive. Therefore, the final answer is:
y
=
+
4
5


A mason is a person who builds structures with bricks, stone, cement block, or tile. A mason usually uses
mortar to hold the bricks together. A general rule of thumb in masonry is that 2 1/2bags of mortar are
needed for every 100 cement blocks.
a. Complete a double number line to determine the amount of mortar needed for each quantity of
blocks.
b. How many bags of mortar will a mason need for 350 blocks?
c. How many bags of mortar will a mason need for 50 blocks?
d. With 12 bags of mortar, how many blocks can the mason lay?

Answers

Answer: I think it can be D

hopfully this helps :)

PLEASE HELP FAST 2 EASY QUESTIONS FOR DOUBLE THE POINTS AND BRAINLIST MAKE SURE YOU READ IT CORRECTLY!

Answers

Answer:

2057

2 2

Step-by-step explanation:

10 POINTS Solve the following inequality. 4x-1> -9

Answers

Answer:

x > −2

Step-by-step explanation:

~Solve~

Let's solve your inequality step-by-step.

4x−1>−9

Step 1: Add 1 to both sides.

4x−1+1>−9+1

4x>−8

Step 2: Divide both sides by 4.

4x

4

>

−8

4

x>−2

Answer:

x>−2

Please someone help with this!!!!

Answers

Answer:

Step-by-step explanation:

>

Find the product of 51 and -2.5. Use the distributive property to rewrite and solve. The first step is done for you. 51(-2.0) + 51(-0.5) What is the next step in using the distributive property to solve this equation?

Answers

Answer:

-12.75

Step-by-step explanation:

Find the product of 51 and -2.5. Use the distributive property to rewrite and solve.

The next step using Distributive property is to expand the brackets

5.1 × 2.5

Step 1: Distributive property

51(-2.0) + 51(-0.5)

Step 2: Expand the brackets

-10.2 + -2.55

Step 3

- 12.75

Answer:

-12.75

 The next step using Distributive property is to expand the brackets  

5.1 × 2.5  

Distributive property

51(-2.0) + 51(-0.5)

Expand the brackets

-10.2 + -2.55

 - 12.75

Write the equation in Standard Form.

y=3/2x - 6

Answers

Answer:

3x - 2y = 12

Step-by-step explanation:

3x-2y=12 is the standard form of equation y=3/2x - 6

What is slope intercept form of line?

The slope intercept form of a line is y=mx+b, where m is slope and b is the y intercept.

The equation is y=3/2x - 6

y equal to three by two times of x minus six

y=3/2x - 6

LCM of 1 and 2 is 2

y=(3x-12)/2

Now apply cross multiplication

2y=3x-12

Two times of y equal to three times of x minus twelve

Now take 2y to RHS side

3x-2y-12=0

3x-2y=12

Hence 3x-2y=12 is the standard Form of equation y=3/2x - 6.

To learn more on slope intercept form click:

https://brainly.com/question/9682526

#SPJ2

Is xy = yx? Explain how you know

Answers

Answer:

Yes

Step-by-step explanation:

xy=yx because either way, you would end with the same product. For example, if x was 3 and y was 2, you would have (3)(2)=(2)(3), giving you 6=6 which is, in fact, a true statement.

Determine the output if the function rule is

2x+5 : input = 5

Answers

Answer:

2x

Step-by-step explanation:

Answer:

15

Step-by-step explanation:

The input is 5 , the output is the value of 2x + 5 for x = 5 ( input ), that is

output = 2(5) + 5 = 10 + 5 = 15

Which of the following tables does not repesent a function

Answers

Answer:

C

Step-by-step explanation:

It's not A because 7 is being repeated for y more than once. It's not B because 5 has been repeated more than once for y. It's not D because 7 is being repeated more than once for x. If you look at C, you can see that no numbers are being repeated for x, and no numbers are being repeated for y.

State the slope and the y-intercept for the graph of the equation. -x+y=4​

Answers

Answer:

Slope: 1

Y-intercept: (0,4)

Step-by-step explanation: I hope that helps!

ANSWER ASAP
Which two expressions are equivalent?
A: x(7+4) and 7(x) + 4(x)
B: 7 - (5•x) and (7-5) • x
C: 4(x-9) and 4(x) - 9 (x)

Answers

Answer:

Its A

Step-by-step explanation:

The answer is A, x(7+4) + 4(x)

The lines represented by the equations y = 1x – 5 and 3y + x = -15 are
O
parallel
Submit Answer
the same line
neither parallel nor perpendicular
perpendicular

Answers

Answer:

Neither parallel nor perpendicular

Step-by-step explanation:

The lines represented by the equations y = 1x – 5 and 3y + x = -15 are .....

Solve for y in 3y + x = -15.

[tex]3y + x = -15 \\ \frac{ - x = - x}{3y = - x - 15} \\ \\ \frac{3y = - x - 15}{3 \: \: = \: \: \: \: \: \: \: \: \: 3} \\ y = - \frac{1}{3}x - 5[/tex]

[tex]y = - \frac{1}{3}x - 5 \: and \: y = 1x - 5[/tex]

The value of a new car decreases by about 15% in the first year. How much will a car be worth after one year if its initial value was $1,500? If you get stuck, consider using diagrams or a table to organize your work.

Answers

Answer:

After one year, the car will be worth $1,275.

Step-by-step explanation:

We know that a new car value decreases by 15% every year. So, we first need to find 15% of $1,500.

1,500 x 0.15 = $225.

Now, me must subtract $225 from the initial value, or $1,500.

1,500 - 225 = $1,275

Therefore, after one year, the car will be worth $1,275.

Hope this helps! :D

Which of the following is a monomial?
A. 11x-9
B. 20x11 - 3x
C. 20x11
D. 9/x

Answers

Answer:

c is the answer of that questoion

Write the word sentence as an equation. Then solve.

The quotient of a number x and −1.5 is 21.

Equation:

Question 2
Solution: x=

Answers

Answer:

-1.5-21x

Step-by-step explanation:

(V+3)^2 - 44 = 0, where v is a real number

Answers

Answer:

v = 2 √ 11 − 3 ,  − 2 √ 11 − 3

Step-by-step explanation:

Take the root of both sides and solve.

Exact Form:  v = 2 √ 11 − 3 ,  − 2 √ 11 − 3

Hope this helps!! Please consider marking brainliest! Have a good one!!

Larissa takes a dose of 4 drops of medicine every day, three times a day. One milliliter (mL) of the medicine contains about 20 drops. If the medicine comes in a 12 mL bottle, approximately how many days will the bottle last?

Answers

Answer:

The bottle will last for 20 days.

Step-by-step explanation:

Given that:

Number of drops in a dose = 4 drops

Dose is taken three times a day, therefore,

Number of drops taken in a day = 4*3 = 12 drops

One milliliter = 20 drops

12 mL = 20*12 = 240 drops

Number of days the bottle will last can be find out by calculating total number of drops by the number of drops consumed in a day.

Number of days bottle will last = [tex]\frac{240}{12}=20[/tex]

Hence,

The bottle will last for 20 days.

which is the answer to this question?
2⋅((4^2)^−1)
1/2
1/4
1/8
1/16

Answers

I believe the answer ur looking for is 1/16

Solve (y-4)^2+63=0 where y is a real number.

Answers

Answer:

[tex] y = 4 + 3 \sqrt{7} i[/tex]

Step-by-step explanation:

[tex](y-4)^2+63=0 \\ \\ (y-4)^2 = - 63 \\ \\ (y-4)= \sqrt{ - 63} \\ \\ y - 4 = 3 \sqrt{7} i \\ \\ y = 4 + 3 \sqrt{7} i[/tex]

will mark brainliest pls answer

Answers

Answer:

= 18 square units

Step-by-step explanation:

area = full square units +  1/2 x half-full square units

                                                         2

remember  that if a square is not full it is NOT full: hence it will be considered as half full.

full square units =12

1/2 full square units =12

12 + 12/2

12 + 6

= 18 square units

Write the word sentence as an equation.

The sum of a number x and 4 equals 12.

An equation that represents this sentence is
.

Answers

Answer:

x+4=12

x in this equation would be 8

Answer:

X + 4 = 12

Step-by-step explanation:

you write it in a equation for like if you were writing whats two plus two equals 4 write it equation form ? The answer would be 2+2=4

Jack wants to buy a pair of trousers for $60 when he went to the store he found that the prices marked down by 20% how much do they cost no

Answers

60 times .20 is 12
60-12 is 48
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