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Alchen [17]
3 years ago
6

10 POINTS AND I WILL GIVE BRAINLIEST

Mathematics
1 answer:
lutik1710 [3]3 years ago
5 0

The equation of circle is

x ^{2}  + y ^{2} - 16 = 0

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At a greengrocer, two bananas and one apple cost ?1.16 and one banana and one apple cost ?0.71. How much does one apple cost?
Blababa [14]

Answer

Find out the how much does one apple cost .

To prove

Let us assume that the number of bananas be x .

Let us assume that the number of apples be y .

As given

At a greengrocer, two bananas and one apple cost $1.16 .

Than the equation becomes

2x + y = 1.16

one banana and one apple cost $0.71.

Than the equation becomes

x + y = 0.71

Subtracting x + y = 0.71 from 2x + y = 1.16

2x - x + y - y = 1.16 - 0.71

x = 0.45

Put in the equation x + y = 0.71

0.45 + y = 0.71

y = 0.71 - 0.45

y = $0.26

Therefore the cost of the one apple is  $0.26 .


4 0
3 years ago
Solve the equation 4p+9+(-7p)+2=
mr_godi [17]
4p+9-7p+2=
group like terms
4p-7p+9+2
addd like terms
-3p+11
that is simplified form

6 0
3 years ago
If we reject the null hypothesis, h0: ρ = 0 , what can we conclude about the population correlation coefficient?
ehidna [41]
If the null hypothesis, H_0:\:\rho =0 is rejected, then we can conclude that the correlation coefficient is significant. This means that there is enough evidence to conclude that a relationship exists between the two (or more) variables involved in the regression. 
5 0
3 years ago
There are 487 books in the classroom library. What is this number rounded to the nearest ten?
DerKrebs [107]
487 rounded to the nearest ten is 490......because 487 is closer to 490 then it is to 480.
8 0
3 years ago
Read 2 more answers
Find the seventh term of the expansion of (3x+7y)^11
Ber [7]

13,207,982,634 x⁵y⁶

Step-by-step explanation:

We understand that in Binomial Theorem, expounding of polynomial functions, we have a rule that also involves the use of Pascal's Triangle to find the Coefficients that will be used to multiply each variable as the polynomial function is multiplied by itself several times;

(3x + 7y)^11  =  ₁₁C₀ (3x)¹¹(7y)⁰ + ₁₁C₁ (3x)¹⁰(7y)¹ + ₁₁C₂ (3x)⁹(7y)² + ₁₁C₃ (3x)⁸(7y)³ + ₁₁C₄ (3x)⁷(7y)⁴ + ₁₁C₅ (3x)⁶(7y)⁵ + ₁₁C₆ (3x)⁵(7y)⁶....

The 7th term in our case is;

₁₁C₆ (3x)⁵(7y)⁶

According to the attached Pascals Triangle, the coefficient  for our term should be 462, so;

462 (3x)⁵(7y)⁶

= 462 (243x⁵) (117,649y⁶)

= 13,207,982,634 x⁵y⁶

Learn More:

brainly.com/question/2609570

brainly.com/question/11861820

#LearnWithBrainly

3 0
3 years ago
Read 2 more answers
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