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alexgriva [62]
3 years ago
11

Mental math Solve the equation n/10+5=12

Mathematics
1 answer:
andriy [413]3 years ago
7 0
Ok so n=70, I hope it’s right:)
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Explain why x squared -8x+20 is always positive
Tpy6a [65]

Answer:

to square a number you multiply the number by itself.

a positive number times a positive number is a positive number.

a negative number times a negative number is a negative number.

and if you are multiplying 2 numbers with the same sign they will always be a positive number.

3 0
2 years ago
"Ten subtracted from the quotient of a number and<br>7 is less than -6.​
RideAnS [48]
Written out, this would be (x / 7) - 10 < -6

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5 0
2 years ago
-4=^8x-3 please help
spayn [35]

Answer:

uhm whats the carrot for. that cant be the problem

Step-by-step explanation:

4 0
3 years ago
Which value of x makes the inequality 2(8 – x) &lt; 4 true? A. x = –16 B. x = –9 C. x = 4 D. x = 10
myrzilka [38]

Answer:

10

Step-by-step explanation:

If we plug in any negative number as x, the result will always be greater than 4, which rules out answers A and B

lets try plugging in 4 as x to test answer C:

2(8-4)

2(4)= 8

8 is greater than 4, therefore C is wrong.

Lets try 10 as X (answer D):

2(8-10)

2(-2)

-4

We know that -4 is less than 4, therefore it makes the inequality true! :)

6 0
2 years ago
Read 2 more answers
What is the value of x, if the perimeter of the rectangle is 37?<br><br> This is the problem :
salantis [7]

Answer:

X= 3.7

Step-by-step explanation:

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37= 2(4X+X)

37= 2(5X)

37= 10X

37/10=X

3.7= X

3 0
3 years ago
Read 2 more answers
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