5x + 4x - x
9x
Explain mistake:

Correct answer:


2(x + 5)
2x + 5
Explain mistake:

Correct answer:


5 - (x - 2)
5 - x - 2
3 - x
Explain mistake:

Correct answer:


-3(2x - 5)
-6x - 15
Explain mistake:

Correct answer:


2x + 3 + 4x
9x
Explain mistake:

Correct answer:



x + 3x + 6x
[tex]10x {}^{2} [/tex]
Explain mistake:

Correct answer:​

Answers

Answer 1
Answer:
Correct answer:
1). 8x
2). 2x + 10
3). 7 - x
4). 6x + 3
5). 10x

Explanation:

1). 5x + 4x - x
= 9x - x
= 8x

Mistake: 9x - x is 8x not 9x

2). 2(x + 5)
= 2x + 10

Mistake: When multiply 2(x + 5) you have to take 2(x) + 2(5) = 2x + 10 not 2(x) + 5 = 2x + 5

3). 5 - (x - 2)
= 5 - x + 2
= 7 - x

Mistake: when a minus sign is in front of a parenthesis the sign in between the two terms in the parentheses needs to change. 5 - (x - 2) = 5 - x + 2 not 5 - x - 2.

4). 2x + 3 + 4x
= 6x + 3

Mistake: Combine like terms. Add the number with variable to the number with variable. And the number without variable to the number without variable.

5). x + 3x + 6x
= 10x

Mistake: When add the number with the same variable. Only the coefficient increase not the exponent itself. But when multiply, both the coefficient and exponent increase.








Related Questions

Can you help me match them? please!

Answers

Answer:

1B 2D 3E 4A 5C

Step-by-step explanation:

For integer, whole and natural numbers, check this link out.

0.050505.. is repeating decimal, therefore it's a rational number

√19 is irrational number because 19 is not a square number.

Answer:

1. b

2. d

3. e

4. a

5. c

hope it helps

Evaluate the function for the given value.

f(-3) if f(x) = 4x^2 + 7

Answers

Answer:

f(-3) = 43

Step-by-step explanation:

f(x) = 4x² + 7

To find f(-3) substitute the value of x that's - 3 into f (x) that's replace every x in f (x) by - 3

We have

f(-3) = 4(-3)² + 7

= 4(9) + 7

= 36 + 7

We have the final answer as

f(-3) = 43

Hope this helps you


#1) Select the lie from the dropdown below.
A)
All real numbers are
whole numbers.
B)
All whole numbers are
real numbers
C)All integers are rational
numbers.
Int.

Answers

Answer:

A

Step-by-step explanation:

Think of this always

Whole Numbers > integers > rational numbers > Real numbers

Not all real numbers are whole numbers. It could be and integer like 1.5 which is a real number but not a whole number. So A is lying.

Answer:

The Answer is A.

Step-by-step explanation:

All numbers are real numbers but not all real numbers are a whole. I can't give any further explanation but this is what we were taught when I was younger so it should be correct.

what is the probability of rolling a three on a fair die

Answers

Answer: 1:6 or 1/6

Step-by-step explanation: there are 6 possible numbers you could roll on a fair die, so rolling a three would be 1:6

Answer:

3/36  (8.333%)

Step-by-step explanation:

Hope this helps!

Translate this phrase into an algebraic expression.
40 less than twice Jenny's height
Use the variable j to represent Jenny's height.

Answers

Answer:

j(2) - 40

Step-by-step explanation:

write the prime factorization of 363 using exponents. the prime factorization is

Answers

um you need to be more specific on the question bud

Answer: The prime factorization is 3*11*11.

The midpoint between two points is( 1 , 5 ). One of those points is ( 9 , 3 ), find the other. DUE in 2 HOURS, will give Brainliest! A. (4, - 1) B. (-4, 1) C. (5, 4) D. (-7, 7)

Answers

Answer: (-7, 7)

Step-by-step explanation:

Answer:

[tex]\mathrm{Solution\:} = (- 7,7) = \mathrm{Last\:}\mathrm{Option\:}[/tex]

Step-by-step explanation:

In my point of view the easiest approach to solving this problem would be by determining the distance between the given points (the midpoint and the other given point) --- (1) and then going through all the answer choices and matching their distance to the midpoint --- (2). This may seem like a hard approach, but you can eliminate many of the answer choices.

The answer is the last choice, so let's prove it.

[tex]\mathrm{Distance\:between\:}\left(1,\:5\right)\mathrm{\:and\:}\left(9,\:3\right) = \sqrt{\left(9-1\right)^2+\left(3-5\right)^2} = 2\sqrt{17}[/tex]

[tex]\mathrm{Distance\:between\:}\left(1,\:5\right)\mathrm{\:and\:}\left(-7,\:7\right)=\sqrt{\left(-7-1\right)^2+\left(7-5\right)^2}=2\sqrt{17}[/tex]

[tex]2\sqrt{17} = 2\sqrt{17}[/tex]

As the distance between points (1,5) and (9,3) respectively (1,5) and (- 7,7) is the same, we proved that our answer is the last choice.

Will bought clothes and shoes at a store.
The shoes cost $50. The total was $80.
How much did the clothes cost? Use c for
clothes?
a) 50c = 80
b) C - 50 = 80
c) C + 50 = 80
d) 80 + c = 50

Answers

I think it’s c because you need to add 30 for the clothes to get 80
The correct answer is C

Simplify the square root of negative 18

Answers

Answer:

[tex]3i\sqrt{2}[/tex]

Step-by-step explanation:

If we have the expression [tex]\sqrt{-18}[/tex], we can divide -18 by 2.

[tex]\sqrt{2\cdot-9}[/tex]

The square root of 9 is 3, and since we’re finding the square root of a negative number, we append the “i” to the term: so 3i.

This goes outside the root, making the expression [tex]3i\sqrt{2}[/tex].

Hope this helped!

Find the measure of angle A​

Answers

Answer:

40°

X=11

I can't give you a very good explanation because I'm

only a freshman lol, I only studied so far in this stuff so I think ill stick to questions like this that give me side lengths and require an angle.

Anyways, hope this helped!

Brent knows that the six digit number he uses to open his computer is the prime factorization of 5005 if each digit of the code increases from left to right

Answers

Answer:

The code is 571113

Step-by-step explanation:

The problem requires that we find the prime factors of 5005

1. 5005 is a multiple of 5 since it ends with a number 5

5 is one of the numbers

Dividing 5005/5 = 1001

the next prime number after 5 is 7

so 1001/7= 143

7 is one of the numbers

the next prime number after 7 is 11

so 143/11= 13

13 is one of the numbers

In all the prime factorization of 5005 is found as follows

5,7 11,13

Combining these numbers gives the 6 digit code

571113

It's a word problem junkie. Is a bus driver who earns 1600 dollars per month login is a is a manager who earns 6800 dollars per month. In 2012 Jun bro donated a total of 1200 dollars to charity while login donated4500dollars to charity who donated the higher percentage of money

Answers

Answer: bus driver

Step-by-step explanation:

Given: Earning of bus driver =  1600 dollars per month

Earning of  manager  = 6800 dollars per month

Amount donated by bus driver = 1200 dollars

Amount donated by manager = 4500 dollars

Percentage of amount donated by bus driver = [tex]\dfrac{1200}{1600}\times100 \%=\dfrac{3}{4}\times100\%=75\%[/tex]

Percentage of amount donated by manager = [tex]\dfrac{4500}{6800}\times100 \%\approx66.18\%[/tex]

Clearly, 75> 66.18

So, bus driver donated  higher percentage of money.

6 + (1 + 9) = 16, so
(6 + _) + 9 = '16

Answers

Answer:

1

Step-by-step explanation:

Adding the same positive numbers will always give you the same answers, right here all your doing is switching the 9 and the 1 ... so 1

PLEASE I WILL GIVE BRAINLIEST!!!!!HELPPPPPPP!!!PLEASESOMEONE!!!! 7 POINTS!!!!!ANYONE PLEASE !!!

Just so you know B&C are combined

Answers

Answer:

this is the answer

Step-by-step explanation:

the one where the lines are at 6,8,1

Answer:

boom math

Step-by-step explanation:

Simplify 1/2/5 please.

Answers

Answer:

0.1

Step-by-step explanation:

(1/2)/5 = 0.1

Answer:

Step-by-step explanation:

1/2 x 1/5 = 1/10

Jermaine got an 84% on a math test. If the test had 25 questions, how many
questions did Jermaine get correct?

Answers

Answer:

21

Step-by-step explanation:

why do you use points when you could literally just search it up

I am struggling with this problem

Answers

Answer:

b

Step-by-step explanation:

the larger of two numbers is 4 more than the smaller the sum of the two numbers is 74

Answers

Answer:

y = 35    x = 39

Step-by-step explanation:

Let large no = x and small no = y

According to the question,

x = 4 + y ------ (1)

x + y = 74 -------- (2)

Substituting (1) in (2)

( 4 + y ) + y = 74

4 + 2y= 74

2y = 74 -4

y = 70 / 2 = 35

x = 4 + y

  = 4 + ( 35 )

   =  39

Solve the following three equations.
Equation #1 60 = 6(6 – 2n)
Equation #2 5x + 7 + 3x = -8 + 3x
Equation #3 3(1 + 4v) – 2(5v- 3) = 25

Answers

Answer:

#1 N=2

#2 X= -3

#3 V=1, 1 1/2

Evaluate the expression. 34 -8 - 14 + 2 + 5​

Answers

Answer:

            About 20

           {19 exactly}

Step-by-step explanation:

Evaluate means find approximate value without exact calculation (usually done with great numbers or with fractions)

-8 is approximately -(2+5) so the sum is about 0

34-14 = 30-10 = 20

20 + 0 = 0

The exact calculation would be:

34 -8 - 14 + 2 + 5 = 34 - 14 - 8 + 7 = 20 - 1 = 19

Point H is between points L and S. LS = 14x -21 LH = 15 HS = 8x What is the length of segment LS?Immersive Reader (5 Points)

Answers

Answer:

[tex]LS = 63[/tex]

Step-by-step explanation:

Given

[tex]LS = 14x - 21[/tex]

[tex]LH = 15[/tex]

[tex]HS = 8x[/tex]

Required

Determine the length of LS

Since H is between L and S, then

[tex]LS = LH + HS[/tex]

Substitute 14x - 21 for LS, 15 for LH and 8x for HS

[tex]14x - 21 = 15 + 8x[/tex]

Collect Like Terms

[tex]14x - 8x = 21 + 15[/tex]

[tex]6x = 36[/tex]

Divide both sides by 6

[tex]x = 6[/tex]

Substitute 6 for x in [tex]LS = 14x - 21[/tex]

[tex]LS = 14(6) - 21[/tex]

[tex]LS = 84 - 21[/tex]

[tex]LS = 63[/tex]

Hence, the length of LS is 63 units

add 5 to me then divide by 7 add twelve then subtract 7 you get 10 what am i

Answers

30+5=35 35 divided by 7 equals 5, 5+12=17, 17-7=10


A triangle has sides with lengths of 5x-7,
3x-4, anol 2x-6. What is the perimeter of
the triangle

A 10x-17
B 6x-17
C 4x-9
D -7x

Answers

Answer:

A.   10x -17

Step-by-step explanation:

5x-7,  3x-4, and 2x-6.

combine like terms

5x-7 + 3x-4 + 2x-6

5x + 3x + 2x - 7 -4 - 6

10x -17

therefore the answer is A.  10x -17

PLEASEEE HELP MEEE!! I DONT UNDERSTAND AT ALL!!

Answers

Domain: (-∞,∞)

Range: (3,∞)

x-intercepts: none

y-intercepts: (0,7)

Interval positive: (3,∞)

Interval negative: none

Interval increasing: (7,∞)

Interval decreasing: (-∞,7)

I'm not sure what the average rate of change over is though.

translating verbal expressions: 3 less than the square of a number p​

Answers

3 less than (-) square of a number p (p^2)

3-p^2

Answer: p²-3

Step-by-step explanation:

3 less than the square of a number p=p²-3

When coming across [a less than b], this means b-a.

If you are pretty confused with this variable expression, I will provide to you with some numerical examples.

3 less than the square of 4=4²-33 less than the square of 10=10²-3

This pattern will also apply for p

How many calories are there in 48 ounces?

Answers

Answer:585.......

Step-by-step exampel:

Answer:

10500 calories

Step-by-step explanation:

[tex]1\: ounce = 218.75 \: calories\\[/tex]


Evaluate 3l-3l
Help please

Answers

Answer:

9

Step-by-step explanation:

the absolute value makes everything positive

3 * 3  = 9

--3(p+1) <-18 solving inequalities with graphs i need help ​

Answers

Answer:

p<5

Step-by-step explanation:

-3(p+1)<-18

-3p-3<-18

+3 +3

-3p<-15

-3p/3<-15/-3

p<5

what is this: 9/5 - 1/3

Answers

Answer:

22/15 in fraction 1 7/15

Step-by-step explanation:

Answer:

___________

Exact Form:

22 / 15

Decimal Form:

1.46 continuous

Mixed Number Form:

1 7/15

To write 9/5 as a fraction with a common denominator, multiply by 3/3

9/5 x 3/3 - 1/3

To write −1/3  as a fraction with a common denominator, multiply by 5/5.

9/5 x 3/3−1/3 x 5/5

Write each expression with a common denominator of 15, by multiplying each by a factor of 1

Multiply 9/5 and 3/3

9 x 3/5 x 3 - 1/3 x 5/5

Multiply 5 by 3

9 x 3/15 − 1/3 x 5/5

Multiply 1/3 and 5/5

9 x 3/15 − 5/3 x 5

Multiply 3 by 5

9 x 3/15 − 5/15

Then combine the numerator over the common denominator

9 x 3 - 5 / 15

then simplify the numerator

mutiply 9 by 3

27 - 5/15

subtract 5 from 27

22/15

Calculate the output for f(x) = 3x-1 when the input is x=14

Answers

Answer:

41

Step-by-step explanation:

3(14)-1

42-1

41

Answer:

41

Step-by-step explanation:

Just plug 14 in and don't worry about f(x).

f(x)= 3(14)-1

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