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Ad libitum [116K]
3 years ago
8

Will give brainliest answer please help

Mathematics
1 answer:
Oxana [17]3 years ago
3 0

Answer:

a^{2}(24a^{2}+36a+12)

Step-by-step explanation:

Area of rectangle= Length*Width

so (6a^{2}+9a+3)*4a^{2}   multiply each coefficient of a times 4a^2

24a^{4}+36a^{3}+12a^{2}  then take a^2 common factor so it will be

a^{2}(24a^{2}+36a+12)=area

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X^2 + 7x – 18 = 0<br> a<br> {–2, 9}<br> b<br> {–9, 2}<br> c<br> {2, 9}<br> d<br> {–2, –9}
Sedaia [141]

Answer:

b)-9,2

Step-by-step explanation:

x^2+7x-18=0

x^2+9x-2x-18=0

x(x+9)-2(x+9)=0

(x+9)(x-2)=0

therefore

x=-9

x=2

6 0
3 years ago
Suppose that the functions q and r are defined as follows.
satela [25.4K]

Answer:

(r o g)(2) = 4

(q o r)(2) = 14

Step-by-step explanation:

Given

g(x) = x^2 + 5

r(x) = \sqrt{x + 7}

Solving (a): (r o q)(2)

In function:

(r o g)(x) = r(g(x))

So, first we calculate g(2)

g(x) = x^2 + 5

g(2) = 2^2 + 5

g(2) = 4 + 5

g(2) = 9

Next, we calculate r(g(2))

Substitute 9 for g(2)in r(g(2))

r(q(2)) = r(9)

This gives:

r(x) = \sqrt{x + 7}

r(9) = \sqrt{9 +7{

r(9) = \sqrt{16}{

r(9) = 4

Hence:

(r o g)(2) = 4

Solving (b): (q o r)(2)

So, first we calculate r(2)

r(x) = \sqrt{x + 7}

r(2) = \sqrt{2 + 7}

r(2) = \sqrt{9}

r(2) = 3

Next, we calculate g(r(2))

Substitute 3 for r(2)in g(r(2))

g(r(2)) = g(3)

g(x) = x^2 + 5

g(3) = 3^2 + 5

g(3) = 9 + 5

g(3) = 14

Hence:

(q o r)(2) = 14

8 0
2 years ago
Find the unit rate. <br><br> $121.50 for working 18 hours
Monica [59]
6.75 per hour
121.50/18 = 6.75
7 0
3 years ago
Read 2 more answers
Choose the graphic representation of the quadratic function f(x)=x^2-8x+24
grigory [225]
The Answer is ----D----

8 0
3 years ago
Read 2 more answers
I need help please and thank you
ss7ja [257]

Answer:

increasing

Step-by-step explanation:

This line is increasing

The slope is greater than 0 so the line is going up

8 0
3 years ago
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