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solong [7]
3 years ago
14

Translate to an equation and solve. Let x be the unknown number

Mathematics
1 answer:
stira [4]3 years ago
5 0

Answer:

x = 8.6

Step-by-step explanation:

yes, you are absolutely correct.

x/43 = 20/100

cross multiply to obtain

100x = 860

divide by 100

x = 8.6

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Find an explicit function rule for the sequence 5,11,17,23,.... Use the formula a(n) = a(n-1)d and simplify fully.
Taya2010 [7]
For this problem, we know d = 6 because (11 - 5) = (17 - 11) = (23 - 17) = 6
Now, we have to use the formula:
a_{n} =  a_{1} + (n-1)d
For this problem, d = 6 and a(base1) is 5, so plug it in like this:
a_{n} =  5 + (n - 1)(6)
To simplify, all you have to do is distribute the six and reduce like so:
a_{n} = 5 + ((6*n)-(6*1)) \\  a_{n}=5 + 6n - 6 \\ a_{n} = 6n-1

So, here's your answer:
a_{n} = 6n-1

Hope this helps!
8 0
3 years ago
Read 2 more answers
Jane has earned a 91, 85, and 84 on her first three quizzes of the semester. If she hopes to have an A quiz average (90 or above
fenix001 [56]

Answer:

100

Step-by-step explanation:

91+85+84+100 is 360

Divide that by 360, and you get 90, exactly.

I hope this helps!

5 0
3 years ago
If 7x+3=24 what is the value of 5-4x?
sleet_krkn [62]
If 7x+3=24, that means x would be 3 so if you take 5-4x then that would be -7.
5 0
4 years ago
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PLEASE ANSWER QUICKLY WITH DESCRIPTION ON HOW TO DO IT!!! If (-a^2b3)(2ab^2)(-3b)=ka^mb^n what is the value of m+n????
iragen [17]

Answer:

m+n=9

Step-by-step explanation:

Put the equation into the form ka^mb^n by multiplying the coefficients (-1*2*-3), so k= 6, then add the exponents of a together, a^2+a^1= a^3, m=3.

Now you have 6a^3, next we do the exponents of b together, b^3, b^2, b^1= b^6, n=6.

This is 6a^3b^6. m=3 and b=6, so add m+n=9.

6 0
3 years ago
Find the area of the shaded section only in the future below.
maxonik [38]

Answer:

293.5

Step-by-step explanation:

40×50/2

=1000 cm²

π×15²

3.14×225

706.5

1000-706.5=293.5 cm²

4 0
3 years ago
Read 2 more answers
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