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vitfil [10]
3 years ago
8

Need desperate help PLEASE

Mathematics
1 answer:
laiz [17]3 years ago
6 0

Answer:

L = 17 m

Step-by-step explanation:

The formula for the volume of a rect. prism of length L, width W and height H is V = L*W*H.  Here we are given certain values (W and H) and are asked to find the third value (L).

Solving V = L*W*H for L, we get

         V

L = ----------

       W*H

Subst. 2830.5 m³ for V, 18.5 m for W and 9 m for H.  This results in:

       2830.5 m³

L = -------------------- = 17 m

      (18.5 m)(9 m)

The length of this prism is 17 m.

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PLEASE HELP PRECALC!! 1. Is the function f(x)=5x^2-3x^4+3/4x-7 a polynomial function? If so, state its degree and the leading co
butalik [34]

Answer:

Step-by-step explanation:

If we put this polynomial (yes it is a polynomial) in order of descending powers of x, it would be

f(x)=-3x^4+5x^2+\frac{3}{4}x-7

The definition of a polynomial is an expression of more than 2 algebraic terms, especially the sum of several terms that contain different powers of the same variable(s).

Not just a sum.  A difference too, but since every subtraction problem can be written as an addition, that's why they say "the sum of several terms".  The degree of the polynomial is the same as the highest power of x.  Ours is a 4th degree.  The leading coefficient is the first number that leads the polynomial when it is put into order of descending powers of x.  Our coefficient is -3.  To sum up:

Yes, it is a polynomial; it is a degree 4 with a leading coefficient of -3

That is choice C

3 0
3 years ago
Read 2 more answers
Grace uses a different way to divide 2.16 by 0.25 .She divides both the divisor and dividend by 0.01 to make an equivalent probl
liraira [26]

Answer:

8.64. Her work is correct

Step-by-step explanation:

Given the expression to divide 2.16 by 0.25

Dividing both expressions to a whole number by dividing them by 0.01 is true as shown;

2.16/0.25 = (2.16/0.01)÷(0.25/0.01)

(2.16/0.01)÷(0.25/0.01) = 216/25

216/25 = 8.64

Hence her value is 8.64 making her work correct

4 0
3 years ago
Find the sum of the first 47 terms of the following series, to the nearest integer.
topjm [15]

Answer:

The sum of the first 47 terms of the given series = 6016

Step-by-step explanation:

Given the sequence

13, 18, 23, ...

An arithmetic sequence has a constant difference 'd' and is defined by

a_n=a_1+\left(n-1\right)d

18-13=5,\:\quad \:23-18=5

As the difference between all the adjacent terms is the same.

so

d=5

a_1=13

Arithmetic sequence sum formula

n\left(a_1+\frac{d\left(n-1\right)}{2}\right)

Put the values

d=5

a_1=13

n=47

=47\left(13+\frac{5\left(47-1\right)}{2}\right)

=47\left(13+\frac{5\left(47-1\right)}{2}\right)

=47\left(13+115\right)

=47\cdot \:128

=6016

Thus, the sum of the first 47 terms of the given series = 6016

8 0
3 years ago
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Akimi4 [234]

Answer:

  3 left; 1 down

Step-by-step explanation:

You can determine the translation by identifying corresponding points on the two figures and counting the grid squares between them.

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Here Q is a translation of P by 3 squares to the left and 1 square down.

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2 years ago
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