Mathematics Middle School

If x = 64, what is the value of x(x - 4)?
A.
3,840
B.
4,160
C.
124
D.
4,352

Answers

Answer 1

Answer:

A. 3,840

Step-by-step explanation:

Plug the numbers in to get 64(64 - 4). Subtract to get 64(60) and then you multiply your two numbers you have to get 3,840.

Answer 2
If x= 64,what is the value of x(x-4)
The answer is A: 3,800

Related Questions

HELP ME H PLZZZZZ??????

Answers

Answer:

1 is A

2 is C

3 is None

4 is B

your welcome

Which numbers are a distance of 2 units from 8 on a number line? A number line ranging from negative 10 to positive 10.

Answers

Answer:

6 and 10

Step-by-step explanation:

Answer:

positive 6 and positive 10

Step-by-step explanation:

when you add 2 to 6 you get 8

when you subtract 2 from 10 you get 8

Can u please help meee

Answers

Answer:

C

Step-by-step explanation:

solve the equation
½ (6f – 4) = 3f - 2

Answers

Answer:

There is infinite solutions to f so it is an Identity

Step-by-step explanation:

Multiply (6f - 4) by 1/2 then you should get 3f - 2= 3f - 2

Add positive 2 in both sides then you should get 3f = 3f

Then multiply by its reciprocal and get f = f

Solve with systems of elimination
3x+5y=25
X-2y=-6

What is the solution?

Answers

Answer:

4

Step-by-step explanation:

Answer:

Step-by-step explanation:

x= 42/131 , y= -132/131

Evaluate the expression |2x−y|+7, when x=−3 and y = 1
HURRY IN A TEST

Answers

Answer:

x=3,y=4

Step-by-step explanation:

your welcome :)

Answer:

i believe it would be something like this ig 2(3)-1+7??

Step-by-step explanation:

If two lines are parallel, same side exterior angles are ______.

A. supplementary

B. congruent

Answers

Answer:

the answer is A: supplementary

Answer:

Supplementary

Step-by-step explanation:

Hope this helps!

9(8-x)=3x PLEASE SOLVE AND SHOW YOUR WORK PLS IN EXPLANATION IF YOU DO I WILL DEFINENTLY GIVE BRAINLIEST TYYYYYYYYYYYYYYYYYYYY :>>>>>>>>>>>>>>>

Answers

9(8-x)=3x
72-9x=3x
72=12x
x=6
Using distribution you do 9*8=72 then 9*(-x)=-9x
72-9x=3x
In both sides +9x
72=12x
Divide by 12
X=6

Which translation can be used to prove that figures 2 and 3 are congruent?
A. (x, y) > (x, y - 4)
B. (x, y) > (x -3, y + 1)
C. (x, y > (x + 2, y)
D. (x, y) > (x + 1, y -3)​

Answers

Answer:

A. (x, y) > (x, y - 4)

Step-by-step explanation:

(x, y - 4) means figure 2 will move 4 units down. This maps onto figure 3.

Answer:

A

Step-by-step explanation:

PLeaseeee helppppp
ALSO, THE SELECT BOX SAYS NO OR YES so like no I don't agree with this or yes I agree with this PLEASE HELP TYSM IF you DOOOO

Answers

Answer:

Hewo friend :3

No, if she sells 35 movie posters she will have 35 left which is half of 70, to keep if equal half of 40 would be 20…..the ratio would be 35/20…… to keep the same ratio she should sell 20 posters

Help please T^T i shall give the right answer brainliest

Answers

Answer:

C? i think its c

Step-by-step explanation:

I think think Think Think

Answer ITS A IYTA AAAAAA

solve the equation
will mark brainlest

Answers

Answer:

X = 4.2 or 4 1/5.

Step-by-step explanation:

Subtract 4/5 from 5, and you get 4.2 or 4 1/5.

Plz mark me as brainliest. hope this helps.

whats 34+35 I NEED HELP

Answers

Answer:

34

+35

=69

Step-by-step explanation:

Answer:

34+35=69

Step-by-step explanation:

4+5=9

3+3=6

put that together and u get 69

PLEASE HELP GIVING BRAINLIST TO THE CORRECT ANSWER IT'S DUE TOMORROW! D:

Nadia charges $6.50 an hour for babysitting. She babysits 19.50 hours the first week of the month and 19 hours the second week of the month.


Suppose Nadia raises her rate by $0.65 an hour. How many hours would she need to work to earn the same amount of money she made in the first two weeks of the month?


Complete the explanation and give your answer.


Nadia's new hourly rate is $___ .She would need to work ___ hours in the next two weeks to make the same amount she made in the first two weeks.

Answers

Answer:

Her new hourly rate is $7.15. She would need to work 35 hours  in the next two weeks to make the same amount she made in the first two weeks

Step-by-step explanation:

6.50+.65=7.15 which is the new hourly rate

19+19.50 to find how many hours in total which is 38.5 hours

you multiply the rate of 6.50 by 38.5 and you get $250.25 in 2 weeks for the old rate.

I just multiplied until I found the amount of hours to make 250.25 with the new rate.

7.15x35=250.25

Answer:

New hourly rate: $7.15

Total number of hours: 35

Step-by-step explanation:

$6.50 per hour:

Given Nadia's hourly rate of $6.50:

For the first week of the month, she babysits for 19.50 hours:

$6.50 per hour × 19.50 hours = $126.75  (Week 1)

For the second week of the month, she babysits for 19 hours:

$6.50 per hour × 19 hours = $123.50 (Week 2).

For those two weeks, she worked for a total of 38.50 hours, and earned $250.25.

$6.50 + $0.65 per hour increase:

Nadia increased her hourly rate by $0.65, which means that her new hourly rate will be: $6.50 + $0.65 = $7.15 per hour.

Since we need to determine how many hours she needs to work for in the next two weeks to make the same amount as she did in the first two weeks, we could divide her weekly earnings by her new hourly rate for babysitting:

Week 3:

Divide Nadia's earnings for week 1 by $7.15:

$126.75 ÷ $7.15 = 17.72 hours

Week 4:

Divide Nadia's earnings for week 2 by $7.15:

$123.50 ÷ $7.15 = 17.27 hours

Week 3 + Week 4 hours = 17.72 + 17.27  = 34.99 or 35 hours

If you multiply her total working hours for weeks 3 and 4 by her new hourly rate:

35 hours × $7.15 per hour =  $250.25  (This matches her total earnings for Week 1 and 2).

Therefore, Nadia's new hourly rate is $7.15. She would need to work for 35 hours in the next two weeks to make the same amount she made in the first two weeks.

What is the reciprocal of −3 2/7?

a.−3 7/2

b.−2 3/7

c.−7 2/3

d.3 2/7

Answers

D.
No explanation needed

What is the distance between the points(−5, −9) and (−5, 13)?


4 units

11 units

16 units

22 units

Answers

Answer: The distance between the two points is 22 units.

Step-by-step explanation:

PLSS HELP ASAP!!!!!!!

Answers

Answer:

°4y(10-y)=28

°4(10-y)=28

°10-4y=28

°4(y-10)=28

HELP I NEVER LEARND WITH BLOcKS IN ALGEBRA

Answers

3 blue rectangular cubes and 2 orange square cubes

pls help me with my Math Vocabulary

Answers

hypotenuse, leg, rise, run, not sure of last one
Hypotenuse, leg, rise, run, continuous

− 7/12x=3.85 helllllllllllllllllpppppppppppppppppppppppppppp

Answers

Answer:

it false

Step-by-step explanation:

I did it beforehand just trust

Answer: The answer is -6 3/5

Step-by-step explanation: I took the K12 test and got it correct.

If m = 16 and n = 4, what is the value of the following expression?
m - 2 • n + 2

Answers

Answer:

10

Step-by-step explanation:

Use PEMDAS to rewrite the equation as:

m - (2 * n) + 2 =

16 - (2 * 4) + 2 =

16 - 8 + 2 =

10

Answer:

When m = 16 and n = 4, m - 2 * n + 2 = 10.

Step-by-step explanation:

m - 2 * n + 2

Substitute values given

m = 16

n = 4

16 - 2 * 4 + 2

Multiply -2 and 4.

16 - 8 + 2

Subtract 8 from 16.

8 + 2

Add 8 and 2.

10.

If the original expression had parenthesis, please let me know as this answer would need to be edited.

PLS HELP
Match the equation to the type of solution. Put the letter of the type of solution next to the equation.
_______ 3=3 A. One Solution
_______ x=0 B. No Solution
_______ 4=-2 C. Infinitely Many Solutions

Answers

Answer:    |3=3 C|  |x= 0 C|  |4=2 A|

Step-by-step explanation:

1.3=3 C
2. x=0 C
3. 4=-2 A

Elisha recorded the temperature for 5 days. When he added thr 5 temperatures together he got a sum of -7.4 c.If he recorded these numbers: -8.1 c , -7.4 c, 5.5 c, 6.2 c but was missing 1 record, what was the missing temperature?

A. -8.1 c
B. -3.6 c
C. -1.9 c
D. 2.3 c

Answers

Answer:

B. -3.6 c

Step-by-step explanation:

ANSWER:
B. -3.6 c

WORK:
7.4 = (-8.1) + (-7.4) + (5.5) + (6.2) + ?

? = -7.4 - [(-8.1) + (-7.4) + (5.5) + (6.2)]
? = -7.4 - (-3.8)
? = -7.4 + 3.8
? = -3.6

Which division problem can be described using this model?
A) 4÷1=8
B) 4÷1/2
C) 4÷2
D) 1:1/8

IT GO'S WITH THE PIC..
Asap first to answer brainiest

Answers

My other answer got deleted for no reason.

Answer:

B) 4 / 1/2.

Step-by-step explanation:

When you look at the diagram, The boxes are split in halves, and there is 4 boxes. The answer is 4 / 1/2.

Hope this helps!

ten fewer than 3 times the sum of a number and eight is 2
what is the "number"

Answers

Answer:

3n-10=8*2

3n-10=16

3n=26

n=8.7(rounded)

(i didn't get the 8 is 2 part)

Alberto sanded a wooden floor with his electric sander at a constant rate. Suppose he sanded 40 1/2 square feet of floor in 3/5 hours. How large an area would he have sanded in 1 hour?

A. 48 3/5 square feet in 1 hour

B. 67 1/2 square feet in 1 hour

C. 76 1/2 square feet in 1 hour

D. 80 1/2 square feet in 1 hour

Answers

Answer:

B) 67 1/2 ft per hr

Step-by-step explanation:

40 1/2 ÷ 3/5 can be rewritten as:

81/2 × 5/3 = 405/6

405/6 = 67 1/2

i believe it would be B because 40.5 divided by 3 is 13.5 and that times 5 is 67.5

Help again I just suck at word problems

Answers

Answer:

child is 4 feet tall

Step-by-step explanation:

6/15=0.4=x/10

4/10=0.4

the kid is 4 feet.
6/15 = 0.4
0.4 times 10 is 4 feet

which table has a constant of proportionality between y and x of 8/5 choose 1 answer.
(10 Points if solve) please answer this perfectly/correctly.
This is on Khan Academy
* Thanks *

Answers

Answer:

A

Step-by-step explanation:

y/x = slope

slope = 8/5

16/10=8/5

The answer is a I believe

Can anyone help me? plz

Answers

slope:3
intercept: 5
thats what i found if its wrong im sorry

Find the sum.
46+(−3)

Answers

Answer:

46+ (-3)

46-3

46-3= 43

Step-by-step explanation:

Adding a negative is basically just subtraction. I hope this helps.

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