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Svetlanka [38]
3 years ago
12

It’s hard may anyone help me answer this question

Mathematics
1 answer:
damaskus [11]3 years ago
5 0

Answer:

D. $53.76

Step-by-step explanation:

When calculating discounts and sales tax, you need to first change your percentages to decimals by dividing each by 100:

20%/100 = 0.2

5%/100 = 0.05

Since the shoes are at a 20% discount, you will only pay 80% of the original amount, or:  $64.00 x 0.8 = $51.20

However, you also need to pay a 5% sales tax, in addition to the sales price, so you can take the discounted amount and multiply:

$51.20 x 1.05 = $53.76 total cost

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3x^2+42x+105=0 Find the solution<br><br>  <br>  <br> 0<br> 0
Nina [5.8K]

Step-by-step explanation:

I think we have to find the factors so

3x2 + 42x + 105

First we will multiply 105 by 3 = 315 then find factors of 315 which may add or subtract = 42

So 45 and 7

3x2 + 45x - 7x + 105

3x( x + 15) - 7(x - 15)

(3x - 7) and ( x - 15) are the factors

There is a problem please recheck the question

6 0
3 years ago
Question is in the picture, will give brainliest
schepotkina [342]

Answer:

Last option (bottom right)

Step-by-step explanation:

The scientific notation for 0.002 is 2*10^-3 (you move the decimal 3 to the right to get 2)

multiply the number of mustard seeds with this and you get 80. In scientific notation it is 8*10^1 (move the decimal 1 to the left to get 8.0)

5 0
3 years ago
PLEASE ANSWER THIS AS SOON AS POSSIBLE
monitta

Answer:

-3

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Please help asap 25 pts
Damm [24]
2y -3 >-1

2y > 2
y > 1

OR

1 > Y

Y < 1

Since it is only one, D is the correct answer
5 0
3 years ago
Read 2 more answers
What is u = kx + ух, for x
Ivahew [28]

Answer:

<h2>x=  \frac{u}{k + y}</h2>

Step-by-step explanation:

u = kx + ух

First of all factorize x out at the right side of the equation

That's

u = x(k + y)

Divide both sides by ( k + y) to make x stand alone

That's

<h3>\frac{x(k + y)}{k + y}  =  \frac{u}{k + y}</h3>

We have the final answer as

<h3>x =  \frac{u}{k + y}</h3>

Hope this helps you

6 0
3 years ago
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