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Advocard [28]
3 years ago
12

Need help with this easy math problem

Mathematics
1 answer:
kow [346]3 years ago
4 0

Answer: 480

Step-by-step explanation: I want to say take 60 and 8 and times them together which will give you 480. but then again if you take 60 and divide it by 8 you get 7.5 so if the answer is not 480 then it has to be 7.5.

Hope this helps :)

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marissa [1.9K]
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<h3>So, </h3>

<h3>Hence, this is the required solution.</h3>
4 0
3 years ago
Proof by mathematical induction
Ghella [55]

Answer:

See below.

Step-by-step explanation:

I will assume that 3n is the last term.

First let  n = k, then:

Sum ( k terms) =  7k^2 + 3k

Now, the sum of k+1 terms  = 7k^2 + 3k + (k+1) th term

=  7k^2 + 3k + 14(k + 1) - 4

=   7k^2 + 17k + 10

Now 7(k + 1)^2 = 7k^2 +14 k + 7 so

7k^2 + 17k + 10

=  7(k + 1)^2  + 3k  + 3

= 7(k + 1)^2 + 3(k + 1)

Which is the  formula for the Sum of k terms with the k replaced by k + 1.

Therefore we can say if the sum formula is true for k terms then it is also true for (k + 1) terms.

But the formula is true for 1 term because  7(1)^2 + 3(1) = 10 .

So it must also be true for all subsequent( 2,3 etc) terms.

This completes the proof.

5 0
3 years ago
Identify the like terms of 6d:<br><br> 3c, 3d, 6c, 6, 4d, 3
Goryan [66]
The answer would be 3d and 4d
4 0
3 years ago
a cab ride from your home to the airport cost $23.47. if you want to tip the cab driver close to 10 percent of the fare, how muc
earnstyle [38]
The awnser to you question is 2.35
3 0
3 years ago
M They are complementary and I need to find the measure of the angle
Svetlanka [38]
Complementary angles equal 90 degrees so

The measures of the two angles = 90

(4y +5) + (4y +8) = 90

4y + 4y = 8y and 5 + 8 = 13

90 - 13 = 77

8y = 77

77/8 = 9 5/8

y = 9 5/8 

Now we can plug this into each measyre to find the answer

9 5/8 x 4 = 38.50

38.50 + 5 = 43.50

38.50 + 8 = 46.50

46.5 + 43.5 = 90


The first angle measures 43.5

The second angle measures 46.5

I hope this helps!


8 0
4 years ago
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