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Annette [7]
2 years ago
15

.RP.1.3 | JoAnn bought 2 shirts for $13.50 each and a purse for $8.

Mathematics
1 answer:
agasfer [191]2 years ago
8 0

Answer:

The answer is  $22.79. Hope this helped! If the answer is wrong i'm super sorry!

Step-by-step explanation:

$13.50 + $8 = $21.50

0.06 x 21.50 = $1.29

$1.29 + $21.50 = $22.79

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Simplify.<br> -5x^4(-3x^2+4x-2)
Amiraneli [1.4K]

Answer:

3x^6 - 4x^5 + 2x^4

Step-by-step explanation:

Given

-5x^4 ( -3x^2 + 4x - 2)

Step 1 : open the bracket with -5x^4

-5x^4 * -3x^2= 15x^6

Hint: - * - = +

x^4 * x ^2 = x^ 4+2 = x^6

-5x^4 * + 4x = - 20x^5

Hint: - * + = -

x^4 * x = x^4 + 1 = x^5

(x is always raise to the power of 1 but we don't write it or less it is greater than 1 e.g. 2 , 3 ,4, ..........)

-5x^4 * -2 = 10x^4

Hint: - *- = +

Let's combine the answers

15x^6 - 20x^5 + 10x^4

We can look for a factor that can go through as in that can divide all without a reminder

Factors of

15 - 3 * 5

1 * 15

20 - 4 *5

2 *10

1 * 20

10 - 2*5

1 * 10

Since the factor of 5 is common in all, so we are using 5 to divide through

15x^6 - 20x^5 + 10x^4

Using 5 to divide through

15x^6 / 5 - 20x^5 / 5 + 10x^4 / 5

= 3x^6 - 4x^5 + 2x^4

4 0
4 years ago
What is the distance from (-4,0) to (2,5)
Svetllana [295]

Answer:

√61 ≈ 7.81

Step-by-step explanation:

Distance formula:

√(x₂ - x₁)² + (y₂ - y₁)²

√(2 - (-4))² + (5 - 0)²

√(2 + 4)² + 5²

√6² + 5²

√36 + 25

√61

5 0
4 years ago
Read 2 more answers
A company is selling toothpicks. It costs $0.03 to produce each toothpick and a fixed cost of $110 a month for the company. If t
AlexFokin [52]
<h3>11,000 toothpicks must be sold in order to break even.</h3>

Step-by-step explanation:

Here, let us assume the number of toothpicks sold to break even = m

So, for m toothpicks, Total cost  = Total Earnings

Now, the cost of producing 1 toothpick = $0.03

So, cost of production of m toothpicks  = m x ( cost of 1 toothpick)

= $(0.03 m)

Also, fixed month cost  = $110

So, Total cost of production = $110 + $0.03 m  .... (1)

Again, the selling cost of 1 toothpick = $0.04

So, selling cost of m toothpicks  = m ( cost of 1 toothpick)   = $(0.04 m)  ..(2)

From (1) and (2)

110 + 0.03 m = (0.04 m)

⇒ 110 = 0.01 m

or, m  = \frac{110}{0.01}  = 11,000

⇒ m = 11,000

Hence, 11,000 toothpicks must be sold in order to break even.

7 0
3 years ago
Read 2 more answers
3/9 + 2/3 = 7/3<br> What is the answer?
nexus9112 [7]
The actual answer is 1
7 0
4 years ago
HELLO!!!!!!!!!!!????????????? ANYONE?!!!!!!!!!!!!!!!!!!!!!!!!!!! PLS??????????!!!!!!!!
bagirrra123 [75]

Answer:

i might be wrong but it thinks it's 6 to 3 or 6/3

Step-by-step explanation:

because of the 6 , 3 are rarely encountered so it would be 6/3

4 0
3 years ago
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