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mrs_skeptik [129]
3 years ago
12

9. Find (f.g)(a) if f(a) = . and g(a) = 2². Fully simplify your answer.

Mathematics
1 answer:
Aleks04 [339]3 years ago
8 0

D is your answer ....

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Is either x=5 or x=3 a solution to 11- x <7
Aleks [24]

Answer:

<h2><em><u>x = 5</u></em></h2>

Explanation:

11 - x < 7

  • 11 minus a number is less than 7

<em>Insert 5 into the equation</em>

11 - 5 < 7

<em>Simplify</em>

6 < 7

  • This is true

<em>Insert 3 into the equation</em>

11 - 3 < 7

<em>Simplify</em>

8 < 7

  • This is false
<h3><u><em>x = 5 is a solution to the equation 11 - x </em></u><u>< 7</u></h3><h3><u /></h3>

- PacificNorthwest

3 0
3 years ago
Read 2 more answers
PLZ SHOW YOUR WORK!!
cestrela7 [59]

Tony walks 116.7 m diagonally across the lot.

Solution:

Length of the rectangle = 80 m

Width of the rectangle = 85 m

<u>To find the diagonal of the rectangle:</u>

Diagonal of the rectangle = \sqrt{l^2+w^2}

                                           =\sqrt{80^2+85^2}

                                           =\sqrt{6400+7225}

                                           =\sqrt{13625}

                                           =5\sqrt{545}

Diagonal of the rectangle = 116.7 m

Hence Tony walks 116.7 m diagonally across the lot.

8 0
3 years ago
lisa has 4 hours to study. she spends half her time on history, a fourth of the leftover time on chemistry and the rest on algeb
loris [4]

Answer:

I’m not sure what the question is since you are just giving me the information, but I’m gonna tell you this:

History >> 2 hrs

Chem >> 30 mins

Alg 2 >> 1 hr 30 mins

Hope this helps!

__________________________________

Step-by-step explanation:

4 hours << total

Half her time on history>>4/2>>2 hrs on history

Leftover time>>4-2=2 hrs left

A fourth of leftover time on chem>>2hrs/4 = 30 mins on chem

What’s left? 2hrs - 30 mins= 1hr and 30 mins << leftover <<alg 2

6 0
3 years ago
X = sin(t), y = csc(t), 0 &lt; t &lt; π/2 (a) eliminate the parameter to find a cartesian equation of the curve.
gulaghasi [49]
Y = 1/csc(t) = 1/sin(t) = 1/x

A Cartesian equation of the curve is 
   y = 1/x . . . . . -1 ≤ x ≤ 1

7 0
3 years ago
For every 3 children that purchased a 2016 year book there were 5 that did not. If there are 872 students how many would be expe
Doss [256]
3 + 5 = 8
5 of 8 children did not purchase the year book

Multiply the fraction 5/8 (or decimal 0.625) by 872 And you will get 545

545 students are expected not to have purchased a year book
4 0
4 years ago
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