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Arada [10]
3 years ago
5

le" class="latex-formula">
Mathematics
1 answer:
Bezzdna [24]3 years ago
7 0

Answer:

x²-9=x²-3²=(x+3)(x-3)

Step-by-step explanation:

use formula

a²-b²=(a+b)(a-b)

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Given g(x)=-x+3. solve for x when g(x)=-1
kherson [118]

Answer:

Step-by-step explanation:

- x + 3 = - 1 ⇒ x = 4

5 0
2 years ago
Read 2 more answers
H(n)=-4n-5<br> g(n)=n-1<br> Find h(g(n)) =
Delicious77 [7]

Answer:

h(g(n))=4n-9

Step-by-step explanation:

h(g(n))=4*g(n)-5 ( we replace n in the formule of h(n) by g(n).

h(g(n))=4(n-1)-5

h(g(n))=4n-4-5

h(g(n))=4n-9

Hope you understand it

3 0
3 years ago
B2 - 7b + 12 = 0
olga_2 [115]
B2-7b+12=0
(b-3)(b-4)=0
b= 3 or 4
6 0
3 years ago
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What is the measure of b if a=20 and c=29. using the pythagorean theorem ​
kicyunya [14]

Since a^2+b^2=c^2 becomes 20^2+b^2=29^2, we solve for b:

400+b^2=841

b^2=441

b=21

So the length of b is 21 units.

Hope this helped!

5 0
3 years ago
Read 2 more answers
Si 14 lápices cuestan 30
katrin2010 [14]
Then one pencil costs about 2.14 cents.
<span>Entonces un lápiz cuesta alrededor de 2.14 centavos.</span>
8 0
3 years ago
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