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Svet_ta [14]
3 years ago
14

Need help with this math problem

Mathematics
1 answer:
grandymaker [24]3 years ago
3 0

Answer:

m<1 = 87

m<2 = 45

m<3 = 45

m<4 = 52

Step-by-step explanation:

if BC intersects <ACD then that means angle 2 and 3 = 90

so that being angle 2 and 3 are the same

now you do 180-(45+48) = 87

now same thing but 180-(45+83) = 52

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Tpy6a [65]

8 - 7x^2 + 3 = 4x^2 - 1

8+3-7x^2 = 4x^2-1

11-7x^2 = 4x^2-1

B. Commutative property of addition

We can swap numbers and obtain the same results.

In this case, we swapped 8+3 and added them.

7 0
1 year ago
Select All equivalent expressions to 4( x + 2)
sergey [27]

Answer:

3x 3-x and 3+x

6 0
3 years ago
Read 2 more answers
How long will it take $5500 to grow to $7400 at an interest rate of 5% it the interest is compounded continuouslyRound the numbe
Thepotemich [5.8K]

Answer:

 5.93 years

Step-by-step explanation:

The continuous compounding formula tells you the amount after t years will be ...

  A = Pe^(rt) . . . . principal P compounded continuously at annual rate r for t years

  7400 = 5500e^(0.05t)

  ln(7400/5500) = 0.05t . . . . divide by 5500, take natural logs

  t = 20×ln(74/55) ≈ 5.93

It will take about 5.93 years for $5500 to grow to $7400.

8 0
3 years ago
3a² + 11a – 42<br><br>this is factoring in algebra 2 (high school) <br>​
N76 [4]

To factor,

<h2>[[[</h2>

1) First multiply coefficient of a² and constant no,

That is,

3×(-42)=-126

Since the<u> resultant no is negative</u>, you should find two such factors of 126 <u>which</u> <u>will give us the coefficient of a (=11)</u> on subracting those factors.

2) Find the factor

126=2×3×3×7

=18×7

18 and 17 are factors of 126

Also,18-7 =11.

So they are required factors for factoring,

<h2>]]]</h2>

Once you have understood above steps you can solve on your own. All you need to do is split 11 into factors ,take common terms and you will get answer.

<u>Answer:</u>

3a²+11a-42

=3a²+(18-7)a -42

=3a²+18a-7a-42

=3a(a+6) -7(a+6)

=(a+6)(3a-7)

3 0
3 years ago
how do i do <br><br> 6w cubed - w<br><br> i am so confused
irakobra [83]
216w^3
You can separate it to 6w*6w*6w so then 6*6*6=216 and w*w*w=w^3
8 0
2 years ago
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