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poizon [28]
4 years ago
12

I need to make this expression true by using grouping symbols. 2x2+3^2 -4+3x5

Mathematics
1 answer:
Novay_Z [31]4 years ago
7 0
Simply 3^2 to 9

2×2+9−4+3×5

Simplify 2 x 2 to 4

4+9−4+3×5

Simplify 3 x 5 to 15

4+9−4+15

Simplify

= 24
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Is the derivative of square root of 6x, 3x^(-1/2)?
strojnjashka [21]
Lets calculate derivative of \sqrt{6x}

That is:
( 6x^{ \frac{1}{2} } )' = 6* \frac{1}{2} * x^{ \frac{1}{2}  -1 } = 3* x^{- \frac{1}{2} }

Comparing that with offered answer we can see that results match.
6 0
3 years ago
In math class, the girl to boy ratio is 8 to 6. If there are 24 girls in the class, how many boys are there?
Studentka2010 [4]

Answer:

8 : 6 = 24 : 18

Step-by-step explanation:

If there were 24 girls in class, there would be 18 boys.

Girls: 8, 16, 24

Boys: 6, 12 , 18

4 0
3 years ago
Read 2 more answers
2) The population my nyc 2012 was
bulgar [2K]

\begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{8\% of 8000000}}{\left( \cfrac{8}{100} \right)8000000}\implies 640000~\hfill \underset{now}{\stackrel{8000000-640000}{7360000}}

3 0
3 years ago
The degree of the polynomial -5 + 3x^6 + 2x^5 + 6x^3 is
Lena [83]

Answer:

6

Step-by-step explanation:

As the highest power of x in the expression is 6, the degree is 6

8 0
3 years ago
Read 2 more answers
Simplify 10 - [14 = (3 + 4) · 2]+3
lora16 [44]

Answer:

There is a typo near the equal sign.

There can be two different answers if we think that = sign as + or -.

First way: Making = as +

=> 10 - [14 + (3+4) x 2] +3

=> 10 - [14 + 7 x 2] + 3

=> 10 - [14 + 14] + 3

=> 10 - 28 + 3

=> 10 + 3 - 28

=> 13 - 28

=> -15

=> So, -15 is the answer if we consider "=" sign as "+" sign.

Second way: Making = as -

=> 10 - [14 - (3+4) x 2] + 3

=> 10 - [14 - 7 x 2] + 3

=> 10 - [14 - 14] + 3

=> 10 - 0 + 3

=> 10 + 3

=> 13

=> So, 13 is the answer if we consider "=" sign as "-" sign.

5 0
3 years ago
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