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anzhelika [568]
3 years ago
11

Simplify 7(x + 3). xxxxxxxxxxx

Mathematics
2 answers:
Montano1993 [528]3 years ago
6 0

Answer:

7x+21

Step-by-step explanation:

7(x + 3)

7(x)+7(3)

7x+21

Alex73 [517]3 years ago
5 0

Answer:

7x + 21

Step-by-step explanation:

7 x X=7X

7 x 3=21

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Given fx ( ) = 2x 2 + 4 f 2 , determine ( ) f −1 and () .
TEA [102]

Answer:

<h2>12 and 6</h2>

Step-by-step explanation:

The equation is not properly formatted presumably here is the format.

Given

f(x) = 2x^2 + 4

determine f(2) , and f(−1).

So we are expect to perform substitution operation and return an answers for values of x= 2 and x= -1

1. When x= 2 we have

f(2) = 2*2^2 + 4\\\\f(2)= 2*4+4\\\\f(2)= 8+4\\\\f(2)= 12

2. When x= -1 we have

f(-1) = 2*-1^2 + 4\\\\ f(-1)= 2*1+4\\\\ f(-1)= 2+4\\\\ f(-1)= 6

5 0
3 years ago
Find the percent of discount. Round to the nearest tenth. original price $24,365; selling price $16,820
topjm [15]
24365x = 16820
x = 16820/24365
x(rounded to the nearest tenth) = 0.70
5 0
3 years ago
Read 2 more answers
Write -6 - 8i in polar form<br> Appreciate any help thank you so much!
Temka [501]
-6 = r cos α and  -8 = r sin α

r = sqrt( 6^2 + 8^2) = sqrt 100  = 10

α = arctan ( -8/-6) = arctan  (4/3) = 53.13 degrees

polar firm =  r ( cos α + i sin α)
                = 10(cos  53.18 +  i sin 53.18)

its been a long time but ui think thats correct
3 0
3 years ago
Need help with this question asap!!
bija089 [108]

Hello!

Our two angles are corresponding. Therefore they are congruent. This gives us the equation below.

3x+2=5x-10

We subtract 5x from both sides.

-2x+2= -10

We subtract 2 from both sides.

-2x=-12

We divide both sides by -2.

x=6

Therefore, our answer is A) 6.

I hope this helps!

4 0
3 years ago
How do you do this probhem 22.5 + 7(n−3.4)
Mariulka [41]
Distribute 7 to n-3.4 which is 22.5 + 7n - 23.8
6 0
3 years ago
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