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dexar [7]
3 years ago
6

How much this will be ......evaluate -4 (9)(-5)

Mathematics
1 answer:
klemol [59]3 years ago
3 0
-4(9)(-5) = (-36)(-5) because -4(9) = -36. (-36)(-5) = 180
You might be interested in
Simplify (2x + y)(x - 2y) - (x + 2y)(2x - y) as much as possible.
snow_tiger [21]

Answer:

-6xy

Step-by-step explanation:

(2x-y)x(x-2y)-(x+2y)X(2x-y)

remove the parentheses

2x^2-4xy+xy-2y^2-(2x^2-xy+4xy-2y^2)

collect terms

2x^2-4xy+xy-2y^2-(2x^2+3xy-2y^2)

remove the parentheses

2x^2-4xy+xy-2y^2-2x^2-3xy+2y^2

remove the opposites, collect the terms to get -6xy

4 0
3 years ago
8/9 ÷ 4/9 = ??????????​
kipiarov [429]

Answer:

2

Step-by-step explanation:

This expression can be rewritten as

8

----

9

======

 4

 ---

  9

If we now invert the denominator fraction 4/9 and multiply the result, we get:

 8       9

----- * ----- = 2

 9       4

5 0
3 years ago
Read 2 more answers
..<br><br>..................................................................
Alika [10]

Answer:..

Step-by-step explanation:

...

8 0
3 years ago
-0.4a+3=7<br><img src="https://tex.z-dn.net/?f=%20-%200.4a%20%2B%203%20%3D%207" id="TexFormula1" title=" - 0.4a + 3 = 7" alt=" -
natali 33 [55]
Sorry if I'm wrong
a = 10
this what I did
7 - 3 = 4 ÷ 0.4 = 10
5 0
3 years ago
What is 3/4 subtracted by2/3
maxonik [38]

To subtract 3/4 - 2/3

1. must find the LCD( Least Common Denominator; the smallest multiple of the denominators of two or more fractions)

2. Combine them

Exact form:

1/12

Decimal form:

0.083

So in fraction form your answer should be:

                           1/12

                    Hope i helped! :)

6 0
3 years ago
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