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Fudgin [204]
3 years ago
6

Find (f+g)(9) if f(x)=2x2-2x+25 and g(x)=6x2+7x-13

Mathematics
1 answer:
pogonyaev3 years ago
7 0

Answer:

3,297

Step-by-step explanation:

2(9)^2 - 2(9) + 25 + 6(9)^2 + 7(9) - 13\\18^2 - 18 + 25 + 54^2 + 63 - 13\\324 - 18 + 25 + 2,916 + 63 - 13\\331 + 2,966\\3,297

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Make a factor tree for 16
jonny [76]
         16
          ∧
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      ∧      ∧
   2 X 2   2 X 2

The answer is 2 x 2 x 2 x 2 or 2⁴   This would have worked as well had you broken 

down 16 into 8 x 2.  You would get the same answer as the 8 would break down into 4 x 2 and the 4 would break down into 2 x 2.  

6 0
3 years ago
Juan and his little brother Miquel ran around a circular track together. Juan ran on the inner track, which has a radius of 30 f
MArishka [77]

Answer:

he would have had to run 20 more feet then Juan

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A sporting goods store offers 40% discount on all golf clubs. Rocco spent 20% of the money in his savings account on a golf putt
MatroZZZ [7]

Answer:

Rocco doesn't have enough money to buy the golf irons

Step-by-step explanation:

step 1

Find the rest of the money left in the savings account

using proportion

\frac{\$48}{20\%}=\frac{x}{80\%}\\ \\x=48*80/20\\ \\x=\$192

step 2

we know that

The set of golf irons has an original price of $359

Applying 40% discount

100%-40%=60%=60/100=0.60

after the discount the price will be

0.60(\$359)=\$215.4

\$215.4> \$192

therefore

Rocco doesn't have enough money to buy the golf irons

7 0
3 years ago
What is the answer for x+b over 4
Lady_Fox [76]
X/4 + b/4
i need some values tho
8 0
3 years ago
Which correlation coefficient could represent the relationship in the scatterpot. Beach visitors
adoni [48]

Answer:

A. 0.89.

Step-by-step explanation:

The value of correlation coefficient ranges from -1 to 1. Any value outside this range cannot possibly be correlation coefficient of a scatter plot representing relationship between two variables.

The scatter plot given shows a positive correlation between average daily temperatures and number of visitors, as the trend shows the two variables are moving in the same direction. As daily temperature increases, visitors also increases.

From the options given, the only plausible correlation that can represent this positive relationship is A. 0.89.

7 0
3 years ago
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