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rusak2 [61]
3 years ago
7

50 POINTS, HELP

Mathematics
2 answers:
alexdok [17]3 years ago
7 0

Answer:

2

Step-by-step explanation:

f(2) = 3

g(2) = -1

f(2)+g(2) = f+g(2) = 2

mars1129 [50]3 years ago
3 0
Answer:
2
Explanation:

f(2)=3
g(2)=-1
f(2)+g(2)=f+g(2)=2
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He would have $400 after 8 weeks.
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3 years ago
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A) Is205 a term in the sequence 15.9, 13.......?<br> 10 15 22
ICE Princess25 [194]

Answer:

no

Step-by-step explanation:

as 205 is the term greater than the 1st term of AP and the difference is in decreasing order

6 0
3 years ago
PLSSS HELP ASAP<br> solve questions 1-5 please
sertanlavr [38]

#1. 4x^2 + 17 - 15 = 0

Use the roots given, and plug them in to a factored form. Then, foil! It can also be helpful to multiply the equation to get rid of decimals/fractions.

(x - 3/4)(x + 5) = 0

x^2 - 3/4x + 5x - 3 3/4 = 0

x^2 + 4.25 - 3.75 = 0 (multiply everything by 4)

4x^2 + 17 - 15 = 0

#2. y = 0, -4

Both 4y^2 and 16y contain a 4 in the coefficient and a y in the variables. Therefore, we can factor out a 4y from each.

4y(y + 4) = 0

Then, set both parts of the factored equation equal to 0.

4y = 0

y = 0

y + 4 = 0

y = -4

#3. a = 0, -3

Both 6a^5 and 18a^4 contain a 6 in the coefficient and an a in the variables. Therefore, we can factor out a 6a^4 from each.

6a^4(a + 3) = 0

Then, set both parts of the factored equation equal to 0.

6a^4 = 0

a = 0

a + 3 = 0

a = -3

#4. x = -8

We are looking for two terms that multiply to equal a * c, and add up to equal b. We know that 8 + 8 = 16, and 8 * 8 = 64. There are no negatives in this equation, therefore both signs in our factored form are positive.

(x + 8)(x + 8) = 0

x + 8 = 0

x = -8

#5. x = -8, 8

First, subtract 64 from both sides. The key word here is 'factoring.' If this was not present, there is a different way (which may be easier for some).

x^2 = 64

x^2 - 64 = 0

Next, use the difference of two squares property to factor (x - c)(x + c), and set the two binomials equal to 0.

(x - 8)(x + 8) = 0

x - 8 = 0

x = 8

x + 8 = 0

x = -8

Hope this helps!! :)

3 0
3 years ago
Can someone help me find the hypoteneuse so i can finish this work
MrRa [10]

Answer:

The hypotenuse it opposite from the right angle

Step-by-step explanation:

30.03 I hope this is right

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3 years ago
Find the GCF of -42, 21, 84
Mariulka [41]
The GCF of -42, 21, 84 is 21
21 x 1 = 21
21 x 2 = 42
21 x 4 = 84
hope i helped
7 0
3 years ago
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