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ohaa [14]
3 years ago
15

I need help with my math work the problem is on a screen shot

Mathematics
2 answers:
evablogger [386]3 years ago
7 0

Answer:

$5 per shirt

Step-by-step explanation:

  1. Set up a proportion: \frac{8}{40} = \frac{1}{x}  
  2. Cross multiply, then divide: 1 × 40 = 40, 40 ÷ 8 = 5
  3. So, it is $5 per shirt.

I hope this helps!

romanna [79]3 years ago
5 0

Answer:

$5 per shirt

Step-by-step explanation:

Unit rate is price per one item so to find it you take the total cost and divide by number of items so in this case we have 8 shirts and together they are $40 we divide 40 by 8 and 40/8 is 5 that's how to get your answer.

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A bag contains 9 and 54 blue marbles. If a representative sample contains 3 white marbles, then how many blue marbled would you
Free_Kalibri [48]

Answer:

There should be 18 blue marbles in the representative sample.

Step-by-step explanation:

Given that a bag contains 9 white and 54 blue marbles, if a representative sample contains 3 white marbles, to determine how many blue marbles would you expect to contain the following calculation must be performed:

9 = 3

54 = X

54 x 3/9 = X

162/9 = X

18 = X

Therefore, there should be 18 blue marbles in the representative sample.

7 0
3 years ago
Three roots of a fifth degree polynomial function f(x) are –2, 2, and 4 i. Which statement describes the number and nature of al
bagirrra123 [75]

The correct option is f(x) has three real roots and two imaginary roots.

Given

Three roots of a fifth-degree polynomial function f(x) are –2, 2, and 4 i.

<h3>Complex conjugate</h3>

The complex conjugate of a complex number is the number with an equally real part and an imaginary part equal in magnitude but opposite in sign.

It is given that the roots of the fifth-degree polynomial function are -2, 2, and 4+i.

Since the degree of f(x) is 5, therefore there are 5 roots of the function either real or imaginary.

According to the complex conjugate root theorem, if a+ib is a root of a polynomial function f(x), then a-ib is also a root of the polynomial f(x).

Since 4+i is a root of f(x), so by complex conjugate rot theorem 4-i is also a root of f(x).

From the given data the number of real roots is 2 and the number of 2. The number of complex roots is always an even number, so the last root must be a real number.

Therefore, the correct option is f(x) has three real roots and two imaginary roots.

To know more about imaginary roots click the link given below.

brainly.com/question/1375079

3 0
2 years ago
Help please s s s what is ittyt
Law Incorporation [45]

9514 1404 393

Answer:

  • point (-12, -5)
  • slope 1/2

Step-by-step explanation:

Compare the given equation to ...

  y -k = m(x -h) . . . . . line with slope m through point (h, k)

You find that k = -5, m = 1/2, h = -12.

The point is (h, k) = (-12, 5). The slope is m = 1/2.

4 0
3 years ago
How many triangles are there in the picture? <br> Clue, there are more than 30.
Maksim231197 [3]

Answer:

36?

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
PLEASE HELP
gayaneshka [121]
Area would be 66

You would simply multiple the width be the height to get your area!
5 0
3 years ago
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