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bogdanovich [222]
2 years ago
5

Please help i don't understand this question

Mathematics
1 answer:
Lina20 [59]2 years ago
4 0

Answer:

Pretty sure it would be b because it keeps scaling as the x axis continues with time

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What is the value of x?<br> please help!!
Lesechka [4]

Answer:

28°

Step-by-step explanation:

soln

(x+3)°+(2x+3)°

x°+3°+2x°+3°=90°(beign complementary angles)

3x+6=90°

3x=90°_6

3x=84

x=84/3

x=28°

4 0
3 years ago
Read 2 more answers
Janice spent $54 to buy some pairs of pants. Each pair of pants cost the same whole dollar amount. How many pairs of pants could
Naddika [18.5K]
6 pants @ $ 9 each. Or 9 pants @ $ 6 each.
7 0
3 years ago
A geometric progression has a third term of 20 and a sum of infinity which is 3 times the first term. Find the first term ​
Anna007 [38]

Answer: the first term is 45

Step-by-step explanation:

Step 1: The formular for the nth term is ar^n-1 and since we're solving for the third term ar^3-1 = ar² which is equal to 20

So ar²= 20 and we make this equation i

Step 2: the formular for the sum of infinity is Sn = a/(1-r) and according the question the sum of infinity is equals to 3 *A ( A means the first term)

Further simplification gives us

3a= a/(1-r)

We simplify Futher by multiplying both sides by (1-r)

3a.(1-r) = a/(1-r).(1-r)

3a(1-r)=a

= 3a-3ar=a

Make 3ar the subject of the formula

3ar= 2a and lets make this equation (ii)

Step 3: From the first equation since ar²=20, let's make a the subject of the formula by dividing both sides by r²

Ar²/r² = 20/r²

A=20/r²lets make this equation (iii)

Step 4: subtitle a as 20/r² into equation (ii)

Since 3ar=2a

Then 3.(20/r²).r = 2. 20/r²

= (60/r²) .r = 40/r²

60/r = 40/r2

Multiplying both sides by r² gives us

60r = 40

Divide both sides by 20 gives us

= 3r= 2

Divide both sides by 3 gives us

= r = 2/3

Step 5: substitute r for 2/3 in equation i

ar²= 20

a. (2/3)2 = 20

= a.4/9 = 20

= 4a = 180

= a = 180/4

a = 45

5 0
3 years ago
What does the degree of a polynomial mean?
serg [7]
__Award Brainliest if helped!

Layman : The number of the largest power

Say  x^{2} +x+3 , Degree is 2 (X^2) 
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Technical : Largest exponent of variable. 
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3 years ago
How to factor <br><img src="https://tex.z-dn.net/?f=3x%20-%203" id="TexFormula1" title="3x - 3" alt="3x - 3" align="absmiddle" c
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Take out common factor, 3 :

3x - 3 = 3(x - 1)

------------------------------------
Answer: 3(x - 1)
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6 0
2 years ago
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