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kakasveta [241]
2 years ago
11

The sum of twice a number and 4 is 12.

Mathematics
2 answers:
navik [9.2K]2 years ago
8 0
The answer is three because 4×3 = 12
Evgesh-ka [11]2 years ago
4 0

Answer:

Unknown number = 4

Step-by-step explanation:

Let x = the unknown number

2x + 4 = 12

Subtract 4 from both sides

2x = 8

Divide by 2 on both sides

x = 4


I hope this helped and please mark me as brainliest!

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Hey can someone help me out thank! :D :p
Schach [20]

Answer:

1. Use the integer multiplication facts in their integer bubble to create six related integer division facts.

2.The quotient of any two integers (with a nonzero divisor) will be a rational number. If and are integers, then - (p/q)= (---)=(----)

3. Mrs. McIntire, a seventh-grade math teacher, is grading papers. Three students gave the following responses to the same math problem: 1/-2 -(1/2) -1/2

4.On Mrs. McIntire’s answer key for the assignment, the correct answer is −0.5. Which student answer(s) is (are) correct? Explain.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
On Friday, there were x students at the baseball game. On Monday, there were half as many students at the game as there were on
gayaneshka [121]

Answer:

2\frac{1}{2}x - 32

Step-by-step explanation:

On Friday, there were x students at the baseball game.

On Monday, there were 1/2 as many students, that is: x/2 students

On Wednesday, there were 32 fewer students at the game as there were on Friday, that is x - 32.

Tickets are sold for each student. Therefore, the number of tickets sold on all three days will be the same as the number of students that were at the games on the three days.

The number of students present on the three days is:

x + x/2 + x - 32

= 2x + \frac{1}{2}x - 32\\ \\= 2\frac{1}{2}x - 32

The number of tickets sold can therefore be represented by 2\frac{1}{2}x - 32

4 0
3 years ago
Read 2 more answers
———-help plzzzzz—————
Hoochie [10]

Answer:

B. 5√3 is your answer.

Step-by-step explanation:

This is an equilateral triangle, which means that all external sides (that make up the triangle) have the same measurement.

This means that line segment AC = 10.

Solve for the measurement of line segment AB. Line Segment AB is 1/2 of AC, making it: 10/2 = 5

Line AB = 5

Line AD = 10

This is a 1, √3, 2 triangle, in which:

1 = 5

2 = 10

Solve for √3. Multiply √3 with the 1:

5 x √3 = 5√3

B. 5√3 is your answer.

~

7 0
3 years ago
Read 2 more answers
If the volume of the rectangular prism is represented by 6x^2-2x+8 and the base area is 2x-4 which expression represents the hei
MissTica
Check the picture below.

\bf 6x^2-2x+8=(2x-4)h\implies \cfrac{6x^2-2x+8}{2x-4}=h
\\\\\\
\cfrac{3(2x^2-x+4)}{2(x-2)}=h\implies \cfrac{3(3x-4)(x+1)}{2(x-2)}=h

8 0
3 years ago
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What would you have to do to change 10 cubic feet into cubic inches? A. Multiply by 46,656 B. Divide by 1,728 C. Multiply by 1,7
Semmy [17]
1 foot = 12 inches

(1 foot)³ = (12 inches)³

12³ = 1,728 in³

To change 10 cubic feet into cubic inches

10 ft³ * 1728 in³/ft³ = 17,280 in³  Choice C. Multiply by 1,728
5 0
3 years ago
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