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Ray Of Light [21]
2 years ago
6

Evaluate 42 – a² + ab for a = 6 and b = 5.

Mathematics
2 answers:
Reika [66]2 years ago
7 0

Answer:

42-a²+ab

42-6²+6×5

42-36+30

6+30

36.

rodikova [14]2 years ago
3 0
42-(6x6)+(6x5)
42-36+30
6+30
Answer: 36
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6 percent

Step-by-step explanation:

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2 years ago
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The product of two positive numbers is 48. the larger number is 13 more than the smaller. Find both numbers [Only an algebraic s
Valentin [98]

Answer:

Larger number:

16

Smaller number

3

Step-by-step explanation:

Larger number: 16

Smaller number: 3

Explanation:

Suppose the larger number is

a

and the smaller number is

b

.

You solve the following system of equations:

a⋅b=48

a−13=b

Since b is a −13, you can plug that into a⋅b=48, so...a⋅(a−13)=48

a 2−13a=48

a2−13a−48=0

Factor the polynomial:

(a−16)(a+3)=0

a=16 or a=−3a is positive so a=16.

We can now solve for b by plugging in a, so...16−13=b3=b We have a=16 and b=3, meaning that the larger number is 16 and the smaller number is 3.

5 0
3 years ago
What is the solution to <br> 2x -8 = 2(x - 4 ) ?<br><br> ALSO, explain how you solved it.
Genrish500 [490]
First, you gotta simplify. There’s really nothing to simplify so just take it out of the parenthesis.

2x-8=2x-4

Now turn the -8 into a +8. Add it on each side.

2x=2x+8

Now turn the 2x on the right into a negative. Do the same thing you did with the 8.
Now it’s:

0 = 8

That means there’s no solution.
Hope this helped :)
7 0
2 years ago
$425 is invested into an account that earns 6% compounded monthly. Find how much the account is worth in 15 years.
Masja [62]

Answer:

Future Balance

$1,044

Step-by-step explanation:

Compound interest is simple- It’s the interest you earn on both your original deposit and on the interest that your money earns. Compound interest allows your savings to grow faster over time.  In an account that pays interest, the earnings are typically added to the original principal at the end of every compounding period. That's often daily or monthly. Each time interest is calculated and added to the account, the larger balance results in more interest earned than before. This is what’s meant by compound interest. Note that high-interest savings accounts earn money faster than accounts with lower yields.

6 0
3 years ago
a golf practice range has 245 balls. the owner bought a carton of golf ball. how many golf balls does the owner have after buyin
konstantin123 [22]
Uh i dont know are you supposed to add or substract multiply or divid use nixed numbers on no mixed numbers
5 0
3 years ago
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