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madam [21]
3 years ago
8

What is /-7/ - /3/ ?

Mathematics
1 answer:
Olenka [21]3 years ago
4 0

Answer:

4

Step-by-step explanation:

the absolute value of -7 is seven and the absolute value of 3 is 3.

7-3=4

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A computer simulation tossed a 10-faced die 5 times
Ganezh [65]
In each toss of the 10 - faced die, there are 10 possible outcomes. To determine the number of possible outcomes that exist after 5 tosses, we multiply 10 by itself 5 times. The operation gives an answer of 100,000. Thus, the answer is the second choice. 
3 0
4 years ago
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What is the coefficient for the term whose variable is y2 in the expression 3xy2 + 2y – 4y??
Kitty [74]

Answer:

3xy * 2 + 2y - 4y = 3 * 2xy - 2y = 6xy - 2y ;)

Step-by-step explanation:

the explanation is on the answer one sorry i forgot i put it up there but hope this will help you B)

8 0
3 years ago
PLEASE HELP ASAP !! (Picture included)
slega [8]

This is the question that's gonna put me over the top and make me a Brainly Genius. Of course working for free doing middle school math homework doesn't really sound like a genius, but I'm doing it anyway.

This one is the Pythagorean Theorem of course:

(x+3)^2 + (x+4)^2 = (x+10)^2

x^2 + 6x + 9 + x^2 + 8x + 16 = x^2 + 20 x + 100

x^2  - 6x - 75 = 0

The Shakespeare Quadratic Formula (2b or -2b) is a little shortcut for the quadratic formula when the middle term is even.

x^2-2bx+c \textrm{ has zeros } x=b\pm \sqrt{b^2-c}

So we get

x = 3 \pm \sqrt{3^2 -(-75)} = 3 \pm \sqrt{84} = 3 \pm 2 \sqrt{21}

The minus root is less than -6 giving negative sides, so we reject it and conclude

x = 3 +  2 \sqrt{21}

Choice C

When I hit Add I officially become a Genius. Maybe I should retire.


8 0
3 years ago
A company loses $5,400 as the result of a manufacturing defect. Each of the 8 owners have agreed to contribute an equal amount,
vredina [299]

Answer:

A. 5400-8x

B. $600

Step-by-step explanation:

5400-8x=600

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x=4800/8=600

5 0
3 years ago
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RideAnS [48]

Answer:

48

Step-by-step explanation:

Cat = x

Dog = 8x

x + 8x = 54

9x = 54

x = 6, Dog = 8 * 6 = 48

7 0
3 years ago
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