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Svetlanka [38]
2 years ago
10

-12 increased by half of a number is 28. What is the number

Mathematics
2 answers:
kicyunya [14]2 years ago
5 0

Answer:

<h2><u><em>80</em></u></h2>

Step-by-step explanation:

-12 increased by half of a number is 28. What is the number?

-12 + 1/2x = 28

1/2x = 28 + 12

1/2x = 40

x = 40 * 2

x = 80

----------------------

check

-12+ 1/2 * 80 = 28

-12 + 40 = 28

28 = 28

this answer and the other answer are good

Nadya [2.5K]2 years ago
3 0

Answer:

80

Step-by-step explanation:

28-28=0

0-12= -12

28+12 = 40

28-40 = -12

40 is the increase

40 is half of 80

So, the answer is 80

To check: -12 + 40 (half of a number; 80) = 28

Hope this makes sense. If you require further information, do not hesitate to ask!

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Solve the equation x2 - 6x + 5 = 0 by graphing the related function.
Neko [114]

Answer:

The solutions are 1 and 5.

Step-by-step explanation:

x2 − 6x + 5 = 0

Step 1: Write the related function.

x2 − 6x + 5 = 0

y = x2 − 6x + 5

Step 2: Graph the function.

Use a graphing calculator.

Step 3: Find the zeros.

The zeros are 1 and 5.

7 0
3 years ago
Which phrases can be used to represent the inequality 12 minus 3 x greater-than-or-equal-to 9? Select two options.
AlexFokin [52]

Answer:

Twelve less three times a number is at least nine.

Twelve minus the product of three and a number is no smaller than nine.

Step-by-step explanation:

complete question is:

Twelve less than three times a number is greater than or equal to nine.

Twelve less than three times a number is at least nine.

Twelve less three times a number is at least nine.

Twelve minus the product of three and a number is no more than nine.

Twelve minus the product of three and a number is no smaller than nine.

ANSWER:

<u>Twelve less three times a number is at least nine.</u>

The phrase "twelve less three..." means that the "three times a number" is being subtracted from twelve. So, it has to be at least nine.

<u>Twelve minus the product of three and a number is no smaller than nine.</u>

Even the least number you suppose is 1 we'll get 9

e.g: 12-3(1)=9. Therefore, this statement also represent the inequality

3 0
3 years ago
Read 2 more answers
Which expressions are equivalent to 7^8 x 7? Select all that apply.
nlexa [21]

Answer:

Step-by-step explanation:

7^8*7=

5764801 * 7= 40353607

A. 7^3*7^3= 343*343= 117649 <--- not the answer

B. 7^18/7^9= 40353607 <---- right answer

C. (7^3)^3= 343^3= 40353607  <------ right answer

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E. 7^5*7^4= 16807*2401= 40353607 <---- right answer

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2 years ago
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mash [69]
180/2=90 degree
180/3=60 degree
180/4=45 degree
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PLEASE HELP AND EXPLAIN THIS ALSO GRAPH PLS<br> the answer choices are -6, -4, 6, 4
liubo4ka [24]

\sf \: (x,y) = (  - 4, - 6)

\rule{300pt}{3pt}

  • <em>Detailed</em><em> </em><em>solution</em><em> </em><em>can</em><em> </em><em>be</em><em> </em><em>found</em><em> </em><em>in</em><em> </em><em>the</em><em> </em><em>attachment</em><em>!</em><em>!</em><em>~</em>

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2 years ago
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