Mathematics College

Examples of inherited patterns solve 2x+x=9 find x

Answers

Answer 1

Answer:

x=3

Step-by-step explanation:

3x=9

9/3=3

Answer 2

Answer:

x=3

Step-by-step explanation:

2x+x=9

3x=9

3/3x=9/3

x=3

Related Questions

Anyone know this please I really need help

Answers

Answer: smaller angle = 17°
The angle is a right angle so the total degree of the angle would be 90°

Step-by-step:

Equation:
(4x+1)+(x-1) = 90
5x = 90
X = 18

Smaller angle:
(X-1)
(18-1)
17°

WHO EVER ANSWERS FIRST WILL GET BRAINLY
3a = 42

Answers

Answer:

a=14

Step-by-step explanation:

Please help! I will mark Best answer
Solve each equation.
1) 40+ 2r = 8(7r – 5)
A) 0
B) (14)
C) -14 D) 3

Answers

Answer:

Step-by-step explanation:

It is zero.

0= 54r

Therefore r=0.

Answer:

x=0 so answer is A

Step-by-step explanation:

hope that helps

If US $1.00 is equivalent to EC $ 2.70, how much in US would one get from EC 297.00?

Answers

NEEED POINTS ..

xx ‘zmsms

a line that includes the points (-1,-2) and (a,-10) has a slope of 4. What is the value of a?

Answers

equation of slope: (y2-y1)/(x2-x1)
(-10 - -2) / (a - -1)
(-10 + 2) / (a + 1)
(-8) / (a + 1)

set this equal to 4 since the slope is given:
4 = -8/(a+1)
multiply (a+1) to both sides
4(a+1) = -8
distribute
4a + 4 = -8
subtract 4 from both sides
4a = -12
divide both sides by 4
a = -3

ANSWER: a = -3

what is the measure of angle 1?

a. 36

b. 86

c. 89

d. 94

Answers

The answer is D. 94 for sure

Answer:

D, 94

Step-by-step explanation:

Angles of a triangle add up to 180 degrees. 180 - 29 - 65 = 86 Angles 1 and 2 add up to 180 degrees. 86 = 2 180 - 86 = 94 94 = 1

Hope this helps! If it did, please mark it as brainliest! It would help me out a lot! :D

Answer:43.1
Explanation

C = 2pi r
C = 2 x 3.14 x 6.87
C = 43.1 ft

Answers

This sounds like an answer....

how could i find the value of this expression?

Answers

Answer:

you plug in the numbers

Step-by-step explanation:

Please mark brainliest!!

Answer:

√x⁴-y²

x²-y²

(x+y)(x-y)

when

x=3

y=-6

√x⁴-y²=(3-6)(3+6)=-3×9=-27 is your answer

I need help finding Angle P

Answers

Hey bae use math-way it will definitely help

Juan and Franco collect baseball cards. Juan has baseball cards. Franco has 18 fewer baseball cards than Juan. Together they have 150 baseball cards. How many baseball cards does Franco have?

Answers

Answer:

Franco has 66 baseball cards.

Step-by-step explanation:

This question can be solved by a system of equations.

I am going to say that:

x is the number of baseball cards that Franco has.

y is the number of baseball cards that Juan has.

Franco has 18 fewer baseball cards than Juan.

This means that:

[tex]x = y - 18[/tex]

Also:

[tex]y = x + 18[/tex]

Together they have 150 baseball cards.

This means that:

[tex]x + y = 150[/tex]

Since [tex]y = x + 18[/tex]

[tex]x + x + 18 = 150[/tex]

[tex]2x = 132[/tex]

[tex]x = \frac{132}{2}[/tex]

[tex]x = 66[/tex]

Franco has 66 baseball cards.

What is the slope and y-intercept of 3y = 3x -9?

Answers

Answer:

slope = 1

y-intercept = -3

Step-by-step explanation:

3y = 3x - 9

divide each side by 3

y = x - 3

slope = 1

y-intercept = -3

5. For the final touches, John wanted to paint the house using 3 colors. If he has 5
gallons of paint for each color, write an equation for the total number of gallons of
paint he has?

Answers

Answer:

3 x 5 = 15

Step-by-step explanation:

To explain this in short, John has 5 gallons of 3 colors, meaning that 3 x 5 = 15 would be the appropriate equation to finish this question. I hope this helps!

I need help QUICK! with this difficult question

Answers

Answer:

Step-by-step explanation:

Write an equivalent expression using the Distributive Property.35 + 21 = 7( + )

Answers

Answer:

$2200/month

The distance in feet karina swims in a race is represented by 6d-6, where d is the distance for each lap what is an expression equivalent to 6d-6

Answers

Answer:

its c

Step-by-step explanation:

x<-20 pls answer. ........

Answers

Step-by-step explanation:

Do you need help graphing this or? Please specify!

9.25 plus 3.87 plus 2. 17

Answers

Answer:

15.29

Step-by-step explanation:

Answer:

15.29

Step-by-step explanation:

3.87 + 2.17 = 6.04

6.04 + 9.25 = 15.29

If one acute angle of a right triangle measures 17°, what is the measure of the other acute angle?
A 67
B 77
C 73
C 63

Answers

Answer:

C. 73

Step-by-step explanation:

Triangles add up to 180 degrees.

180-90(right angle)-17 = 73 degrees

73<90 so it is acute.

11. John is building a wall. When he uses 750 bricks, the wall is 6 metres long and 1.25m high.
John wants the finished wall to be 10 metres long and 1.25 metres high.
How many more bricks does John need to finish the wall?
(Total 3 marks)

Answers

Answer:

750 blocks = 6m long

x blocks = 10m long

750×10 = 6x

7500 = 6x

divide both sides by 6

7500/6 = 6x/6

1250 = x

x = 1250

. . 1250 blocks are needed to finish the wall of 10m long

Determine if the sequence below is arithmetic or geometric and determine the common difference / ratio in simplest form. 2,5,8,... ?

Answers

Answer:

Arithmetic sequence with common difference of 3.

Step-by-step explanation:

Arithmetic sequence:

The difference between consecutive terms is always the same, and this difference is called common difference.

Geometric sequence:

The quotient between consecutive terms is always the same, and this quotient is called common ratio.

In this question:

5 - 2 = 8 - 5 = 3

5/2 = 2.5 different of 8/5 = 1.6

This means that it is an arithmetic sequence with common difference of 3.

21 ounces to pounds as a mixed number

Answers

it’s definitely right lol

A bag contains:
• 7 red marbles
• 5 blue marbles
.6 green marbles
• 3 black marbles
• 5 yellow marbles
A marble will be drawn from the bag and replaced 100
times. What is a reasonable prediction for
the number of times a red or yellow marble will be
drawn?

Answers

Answer:

5/7

Step-by-step explanation:

Write the equation of a line in slope-intercept form if m=2 and b=8.

Answers

Answer:

y=2x+8

Step-by-step explanation:

The slope intercept form is:

y=mx+b

with m and b already given, just plug in m and b and you will get your answer.

what is the value of the underline digit?

Answers

Answer:

Here's an example I hope this helps

632,814 - The value of the digit 6 is 6 hundred-thousands, or 600,000.

632,814 - The value of the digit 3 is 3 ten-thousands, or 30,000.

632,814 - The value of the digit 2 is 2 thousands, or 2,000.

632,814 - The value of the digit 8 is 8 hundreds, or 800.

632,814 - The value of the digit 1 is 1 tens, or 10.

632,814- The value of the digit 4 is 4 ones, or 4.

Step-by-step explanation:

can i get help pls??

Answers

Answer:

119 or 124

Step-by-step explanation:

The answer is 119 sandwiches

The distance between City A and City B is 250 miles. A length of 1.4 feet represents this distance
on a certain wall map. City C and City D are 2.52 feet apart on this map. What is the actual
distance between City C and City D?

Answers

Answer:

2.66 miles hope it helps

Is it true or false and why ?

Answers

Answer:

TRUEHope that helps!

Step-by-step explanation:

Answer: True

Step-by-step explanation:

Because the 2 equations are eqivalent

Smith family had dinner at the restaurant. The cost of their meals was $45. They wanted to leave the waiter a 10% tip. They had a $50 bill.
How much change would they receive after paying for the food and leaving the tip?

Answers

Answer: 0.50

Step-by-step explanation: the tip was 4.50 (10% of 45) and so minus 50 and then minus 40 (50-45-4.50=0.50)

Plz help it’s due tomorrow

Answers

Answer:

x=121 degrees

Step-by-step explanation:

Sorry if my work is a bit messy. If you need me to rewrite it i can

What is 5,729 + 2,729

Answers

Answer:

it equals 8458

Step-by-step explanation:

Caculator

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