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stepan [7]
3 years ago
8

Write a numerical expression for the calculation.

Mathematics
1 answer:
Naddik [55]3 years ago
3 0

Answer:

(64-23)8.3

Step-by-step explanation:

Solve the parenthesis first, then multiply

hope this helps! :)

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Why can you multiply the numerator and the denominator of a fraction by the same number to find a equivalent fraction?
OLga [1]
Yes cause x*a/b*a=x/b
7 0
3 years ago
Read 2 more answers
HELP Use the properties of sigma notation and the summation formulas to evaluate. See attached
Naddik [55]
Write out all the solutions from 1 to 10 and add them together 

(1^2+3(1)-2)=2
(2^2+3(2)-2)=8 
" = 16
" = 32 
" = 38 
" = 52
" = 68 
" = 86 
" = 106 
" = 128

Add them together: 530 

Hope I helped :) 
3 0
3 years ago
5. Two-fifths of a number is -26. Find the number.
klio [65]

Answer:

x = -65

Step-by-step explanation:

To start off, we can create our equation. We know that "of" is just another word for multiply. We will then end up with \frac{2}{5} * x = -26. To solve this equation, we will find \frac{2}{5} of -26. To make things less confusing, lets take away the negative for now. 26 x 5 = 130 and 130 ÷ 2  is 65. We then add our negative back on and x = -65.

3 0
3 years ago
What is the difference between a copyright and a trademark, and how are they used to protect intellectual property?
kirill [66]

Answer: Copyright protects original work, whereas a trademark protects items that distinguish or identify a particular business from another.

The trademark laws protect the product or service name and any slogans used in the advertising, while the copyright laws protect the additional creative written expression contained in the ad. Hope this helps!

Step-by-step explanation:

8 0
2 years ago
Someone please answer my question please I am struggling and need to finish tonight I think I got the answer but I am not sure p
NeX [460]

In the figure we have three right angles .The triangles similar to each other .Similar triangles have sides in proportion .The altitude rule is true for the triangles .

The theorem states :The altitude to the hypotenuse of a right triangle is the mean proportional between the segments into which it divides the hypotenuse.

\frac{part of hypotenuse}{altitude} =\frac{altitude}{other part hypotenuse }

Substituting the values from the triangles we ahve:

\frac{r}{h} =\frac{h}{s}

s is the right answer

4 0
4 years ago
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