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Norma-Jean [14]
3 years ago
12

Please help test due in 1 hour and it’s a grade! Will give good review and brainliest!

Mathematics
1 answer:
jeka943 years ago
7 0

Answer:

Step-by-step explanation:

(3x-2)+(2x+16)=90

5x=76

x=15.2

I hope this helps

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Coefficient of b in expansion of (3+b)^4
Margarita [4]
Are you sure you want ONLY the coefficient of b?  If you expand this, you will have b in 3 of 4 terms.

According to Pascal's Triangle, the coefficients of (a+b)^4 are as follows:

                             1
                        1    2    1
                   1      3    3     1
              1       4     6     4     1

So (a+b)^4 would be 1a^4 + 4a^3b + 6a^2b^2 + 4ab^3 + b^4

Here, you want (3 + b)^4.  Here's what that looks like:

3^4 + 4[3^3*b] + 6[3^2*b^2] + 4[3*b^3] + 1[b^4]

Which coeff did you want?
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3 years ago
Explain plzzzzzzzzzzzzzz
timurjin [86]

Answer:

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x equals 8/3

7x_2_4x_6=0

3x=8 ÷3 in both sides

6 0
2 years ago
The points (2, 100) and (4, 105) are found on a line.
Sophie [7]

I think its c

Step-by-step explanation:

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2 years ago
An automobile manufacturer wants to find out what types of product-related problems its customers are experiencing. The best met
JulsSmile [24]
A customer survey?  Or a random sampling survey?
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Read 2 more answers
Tom makes a 8% commission on the sale of all the cars that he sells. He sells $140,000 worth of cars this month. What is the com
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Answer:

$11,200

Step-by-step explanation:

Just multiply the percent times the total

8% * 140000 = .08 * 140000 = 11200

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