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Delvig [45]
3 years ago
15

Which expression is equivalent to 4-(-7)? A.7+4 B.4-7 C.-7-4 D.-4+7

Mathematics
2 answers:
Alex777 [14]3 years ago
8 0
This is A since 4-(-7) makes a mega plus.

Edit: Mega plus is positive.
umka2103 [35]3 years ago
7 0

the answer would be A. because two negatives equal a positive

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When will adding two negatives and multiplying two negative is become a negative or positive ​
Vikentia [17]

Answer:

When you multiply two negative numbers, is the answer negative or positive? Multiplying two negative numbers always gives positive result. Even more. If numbers are both positive or negative, then resulth is positive, if numbers is one positive and one negative, result is always negative.

Step-by-step explanation:

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3 0
3 years ago
2. 8 - 6x = 18x <br>I need help please ​
san4es73 [151]

Answer:

x=3

Step-by-step explanation:

8-6x=18x

8-6x+6x=18x+6x

8=24x

x=3

8 0
3 years ago
Read 2 more answers
If f(x)= 2(3x²-2x+2). Find:<br><br>A) f(x+1)<br>B) f(3)​<br>C) f(y-2)
ExtremeBDS [4]
A) f(x+1) = 6x^2 + 8x + 6
1) substitute the value of x as (x+1)
2) 2(3(x+1)^2 -2(x+1) +2)
3) 6(x^2 + 2x + 1)
4) 6x^2 + 8x + 6

B) f(3) = 46
1) simplify the expression first
2) 6x^2 -4x + 4
3) Now just substitute 3: 6(3)^2 -4(3) + 4
4) 6•9 - 12 + 4 = 46

I hope this helps :)
8 0
3 years ago
60 books represent 1% of total books of library 2
cestrela7 [59]

Answer:

So then 6000 is 100% of library 2.

Step-by-step explanation:

60/0.01= 6000

4 0
3 years ago
Malaya is making a collage of her birthday party photos and she wants to add an 8 x 10 inch. photo. Since there is not enough sp
sergij07 [2.7K]

Answer:

The answer is C. 6.4 X 8 in

Step-by-step explanation:

If the scale factor from the original to the trimmed photo is 5:4

The statement above just means the scale of the old dimension is 5 while the scale of the new dimension is 4.

To get the new dimensions, multiply each of the old dimensions by 4/5

4/5 X 10 = 8

4/5 X 8 = 6.4

Therefore the new dimension is 6.4 X 8 in

3 0
4 years ago
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