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Kitty [74]
3 years ago
7

4x%20-%205%29%20%2B%20%283x%20-%201%29" id="TexFormula1" title=" ({3x}^{2} + 2x + 1) + ( {2x}^{2} - 4x - 5) + (3x - 1)" alt=" ({3x}^{2} + 2x + 1) + ( {2x}^{2} - 4x - 5) + (3x - 1)" align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
mafiozo [28]3 years ago
4 0

Answer:

5x^2+x-5

Step-by-step explanation:

(3x^2+2x+1)+(2x^2-4x-5)+(3x-1)= \\\\(3x^2+2x^2)+(2x-4x+3x)+(1-5-1)= \\\\5x^2+x-5

Hope this helps!

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A circle is centered on point B. Points A. C and D lie on its circumference.
olga_2 [115]

Answer:

<u>So</u><u>,</u><u> </u><u>ADC</u><u> </u><u>=</u><u> </u><u>124</u><u>/</u><u>2</u><u> </u><u>=</u><u>></u><u> </u><u>⛰</u><u> </u><u>ADC</u><u> </u><u>=</u><u> </u><u>62</u><u>°</u>

Step-by-step explanation:

<u>If ABC i.e angle of centra = 124°</u>

<u>If ABC i.e angle of centra = 124°Then, we know that angle at any where of Circle is 1/2 if central angle </u>

  • <u>If ABC i.e angle of centra = 124°Then, we know that angle at any where of Circle is 1/2 if central angle So, ADC = 124/2 => ⛰ ADC = 62°</u><u>.</u>

<em><u>Thank</u></em><em><u> </u></em><em><u>You</u></em><em><u> </u></em><em><u>☺️</u></em><em><u> </u></em><em><u>☺️</u></em><em><u>.</u></em><em><u> </u></em>

<h3><em><u>☆</u></em><em><u> </u></em><em><u>★</u></em><em><u> </u></em><em><u>Make It</u></em><em><u> </u></em><em><u>Brainlist Answer</u></em><em><u> </u></em><em><u>Please</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u> </u></em></h3>
5 0
4 years ago
Read 2 more answers
What is the volume of the prison below?
ioda

Answer:

3 1/2

Step-by-step explanation:

To find the volume of a rectangular prism, you multiply l*w*h.

We just have to multiply 1 3/4 by 2!

*This is because the 1 doesn't give you anything.*

That equals 3 1/2!

5 0
3 years ago
Find the length of side x in simplest radical form with a rational denominator.
schepotkina [342]

Answer:

x = 2√3

Step-by-step explanation:

The sides of a 30-60-90 triangle are always in the ratio 1:√3:2.

The length of the side opposite the 90° angle is 4, so the length of the side opposite the 30° angle is 2 and the length of the side opposite the 60° angle is 2√3.

x = 2√3

3 0
3 years ago
Can you help me find this solution if you can explain it to me please also
Lana71 [14]
First we have to find how many chose cat:
100-48-14-2= 36%. Because the whole thing is 100% and I removed all the other animals to find the percentage of cats chosen.
Then we want to know the number of classmates:
Cat= 36% of 50 people = 0.36 x 50=18
Fish= 14% of 50 people = 0.14 x 50= 7
Now we see the difference between them :
18-7=11 people

The answer is D which is 11.
3 0
3 years ago
What's the cosine of 7
Rainbow [258]

cosine(7 radians ) =

0.75390225434

3 0
3 years ago
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