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givi [52]
3 years ago
8

Find the unknown value of 54 is 75% of

Mathematics
1 answer:
Alenkinab [10]3 years ago
3 0
54 would be 75% of 72
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If T(n)=6n-1what is the first term
OleMash [197]
So if you find the 1st term, you should write 1 instead of n
T1 = 6.1 -1
T1= 6-1
T1= 5
Hope it helps!
#MissionExam001
3 0
3 years ago
Do i solve this?? need help???
Arlecino [84]
A =
5 and -5
-1 and 3

¹/₃B =

-6 and 12
-7 and 7

¹/₃B + A =

-1 and 7
-8 and 10
7 0
3 years ago
Find the value of 4²+6÷2
belka [17]

The answer is:    " 19 " .

_____________________

Explanation:

To solve:

_____________________

Given:

" 4² + 6 ÷ 2 " ;

We solve using "PE MD AS" (mnemonic device for order of operations in order of consideration);  which stands for:

           "Please Excuse My Dear Aunt Sally (or Aunt Susan)" ;

Alternately:  "BE MD AS"  

           " Be Excused My Dear Aunt Sally (or Aunt Susan)" .

                         "Parentheses {alternative version:  "Brackets" ; in which "Parentheses can be considered "Brackets" ; yet in reality, Brackets would come before Parentheses}, then Exponents, then "Multiplication then Division (from left to right as they occur in the problem) , then "Addition then Subtraction (from left to right as they occur in the problem) .

_____________________

As such:  

Given:   " 4² + 6 ÷ 2 " , we have:  

"exponents", "addition" and "division" ;

So we can rewrite the problem as:

   "  (4²) + (6 ÷ 2) =

      (4 * 4) + (3)  =

       (16)   +  (3)  =  19 .

_______________________

The answer is:    " 19 " .

_____________________

7 0
3 years ago
The ratio of boys and girls in Anyas class is 10 to 15 there are 20 boys how many girls are there
irga5000 [103]

Answer:

Step-by-step explanation:

10 boys..............................15 girls

20 boys...............................30 girls

we just multiply by 2

3 0
3 years ago
How do i calculate:<br><br> ((6 x y−2 x y)−x2y2)+10 x y
alex41 [277]
<span><span><span><span><span>6x</span>y</span>−<span><span>2x</span>y</span></span>−<span><span>x2</span><span>y2</span></span></span>+<span><span>10x</span>y</span></span><span>=<span><span><span><span><span><span><span>6x</span>y</span>+</span>−<span><span>2x</span>y</span></span>+</span>−<span><span>x2</span><span>y2</span></span></span>+<span><span>10x</span>y</span></span></span><span>=<span><span><span><span><span>6x</span>y</span>+<span>−<span><span>2x</span>y</span></span></span>+<span>−<span><span>x2</span><span>y2</span></span></span></span>+<span><span>10x</span>y</span></span></span><span>=<span><span>(<span>−<span><span>x2</span><span>y2</span></span></span>)</span>+<span>(<span><span><span><span>6x</span>y</span>+<span>−<span><span>2x</span>y</span></span></span>+<span><span>10x</span>y</span></span>)</span></span></span><span>=<span><span>−<span><span>x2</span><span>y2</span></span></span>+<span><span>14x</span>y
</span></span></span>=−x2y2+14xy
5 0
3 years ago
Read 2 more answers
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