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MA_775_DIABLO [31]
3 years ago
7

Maria needs to buy 12 wine glasses. write an expression of the cost of 12 glasses at p dollars each.

Mathematics
1 answer:
irinina [24]3 years ago
5 0

12p thats it because you are buying 12 glasses a the cost of p example 12 glasses for 5 dollars would be 12(5)=60

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kogti [31]

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Step-by-step explanation:

7 0
2 years ago
Solve the following logarithmic equations.<br> log[(x^2 + 2x − 3)^4] = 0
saw5 [17]

Answer:

The solutions are x = 1.24 and x = -3.24

Step-by-step explanation:

Hi there!

First, let´s write the equation:

log[(x² + 2x -3)⁴] = 0

Apply the logarithm property: log(xᵃ) = a log(x)

4 log[(x² + 2x -3)⁴] = 0

Divide by 4 both sides

log(x² + 2x -3) = 0

if log(x² + 2x -3) = 0, then  x² + 2x -3 = 1 because only log 1 = 0

x² + 2x -3 = 1

Subtract 1 at both sides of the equation

x² + 2x -4 = 0

Using the quadratic formula let´s solve this quadratic equation:

a = 1

b = 2

c = -4

x = [-b± √(b² - 4ac)]/2a

x =  [-2 + √(4 - 4(-4)·1)]/2 = 1.24

and

x = [-2 - √(4 - 4(-4)·1)]/2 = -3.24

The solutions are x = 1.24 and x = -3.24

Have a nice day!

4 0
3 years ago
What is the result of the operation
Anna35 [415]

Answer:

D.

Step-by-step explanation:

-2*-3=6        -2*5=-10.      -2*1=-2

-2*8=-16.      -2*-2=4.       -2*3=-6

-2*2=-4.       -2*1=-2.        -2*-4=8

6 0
3 years ago
Molly read 50 out of the 200 pages in her fiction book. Joel is also reading a fiction book, but his book has 280 pages in total
katrin [286]

Answer:

x = 70

Step-by-step explanation:

Given

Molly: 50 out of 200

Joel: x out of 280

Required

Find x

Start by representing the giving parameters as ration

Molly= 50 : 200

Joel = x : 280

From the question, the ratios are equivalent. So,

50 : 200 = x : 280

Convert to fractions

\frac{50}{200} = \frac{x}{280}

Solve for x

x = \frac{50}{200} * 280

x = \frac{1}{4} * 280

x = \frac{280}{4}

x = 70

5 0
2 years ago
Last week the price of apples at a grocery store was $1.60 per pound this week apples at the same grocery store are on sale at 1
VashaNatasha [74]

Answer:

0.72

Step-by-step explanation:

first you take 1.60 and find 10 percent of it once you find that you times it by 4.5.

3 0
2 years ago
Read 2 more answers
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