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Radda [10]
2 years ago
11

>
-------------------
Mathematics
2 answers:
Studentka2010 [4]2 years ago
6 0

Answer:

x = 13

Step-by-step explanation:

x - 2 = 11

x = 11 + 2

\boxed{\green{x = 13}}

baherus [9]2 years ago
3 0
X= 11+2 = 13
it’s easy you only have to bring 2 in the other side of “=“ and change the sign
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-6x^3-4x^2+15x-5 - -x^2-8x+14
Ilya [14]

Answer:

-1

Step-by-step explanation:

7 0
3 years ago
Can someone help? using soh cah toa find length of OP round to the nearest tenth of a foot?
Marina CMI [18]

Answer:

95.5

Step-by-step explanation:

you can using toa

tan = opp/adj

tan 37° = 72/x

x = 72/ tan 37°

x = 95.547 feet

x = 95.5

6 0
2 years ago
Read 2 more answers
I don't understand rational and irrational numbers
PSYCHO15rus [73]

A rational number is a number which can be expressed as a fraction whose numerator and denominator are both integers and whose denominator is not equal to zero. Rational numbers include all integers, fractions, mixed numbers, and some decimal numbers.

 

Note : All terminating and repeating decimal numbers are rational numbers because those numbers can be expressed as a fraction. On the other hand, a non repeating number and non terminating decimal, like square root of 2, is an irrational number.  


\dfrac{7}{16} \ as \ a \ decimal = 0.4375


Set \ up \ the \ long \ division. 


Calculate \ 70 \div 16, \ which \ is \ 4  \ with \ a \ remainder \ of \ 6.




Bring \ down \ 0, so \ that \ 60 \ is \ large \ enough \ to \ be  \ divided \ by \ 16.




Calculate \ 60 \div 16, which \ is \ 3 \ with \ a  \ remainder \ of \ 12.




Bring \ down \ 0, so \ that \ 120 \ is \ large \ enough \ to \ be \ divided \ by \ 16.




Calculate \ 120 \div 16, which \ is \ 7 \ with \ a \ remainder \ of \ 8.




Bring \ down \ 0, so \ that \ 80 \ is \ large \ enough \ to \ be \ divided \ by \ 16.



Calculate \ 80 \div 16, which \ is \ 5. 

<span>
</span>

Decimal = 0.4375&#10;

4 0
2 years ago
Billy likes to go cycling.
olganol [36]
130 revolutions is 130×85π=34714.60cm=347.146m or 347m to the nearest metre.
3 0
3 years ago
The circumference of the hub cap of a tire is 83.96 centimeters. Find the area of this hub cap. Use 3.14 for . Use pencil and pa
Bess [88]

Answer:

Area = 561.2485 square centimeter

If the circumference of the hub cap would have been smaller, then its radius would have been smaller and subsequently its area would also have been less.

Step-by-step explanation:

As we know the circumference of a circle is 2\pi r

The radius of the hub cap needs to be devised to determine the area

83.96 = 2* 3.14*r

r = \frac{83.96}{2*3.14}

r = 13.37 centimeters

Area of the hub cap = \pi r^{2}

Substituting the devised value of r in the above equation, we get -

3.14 * 13.37^2\\

561.2485 square centimeter

If the circumference of the hub cap would have been smaller, then its radius would have been smaller and subsequently its area would also have been less.

5 0
3 years ago
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