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sveticcg [70]
3 years ago
8

Help pleasee 100 points 

Mathematics
2 answers:
koban [17]3 years ago
7 0

rebrenta previous ly had 50 dollars


IrinaK [193]3 years ago
5 0
<span>
1. y=-4x+5
2. y=3x-8
3. Roberta had $50 before she started to save money each week.</span><span>



</span>
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Exponents and roots are what operations
dalvyx [7]

Answer:

An exponent

Step-by-step explanation: So if we have 83, we want to multiply three 8s, or 8 * 8 * 8. A root is basically the opposite. We're trying to find the number that we multiply by itself a certain number of times to get the number under the radical sign.

8 0
3 years ago
-6 divided by ( - 2/3) times (-5)
tatuchka [14]
<h3><em><u>Answer:-6 divided by ( - 2/3) times(-5)</u></em></h3>

<h3>Step-by-step explanation:-<em><u>45   </u></em></h3><h3><em><u /></em></h3><h3> Negative Six divided by negative two thirds times negative five equals -45 ... O_O</h3>

7 0
2 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

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Mrac [35]

1. \frac{20}{100}

2. \frac{1}{5}

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The Dragons Soccer Team is having a pizza party and voted on
Korvikt [17]

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no enough info

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