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VladimirAG [237]
3 years ago
10

Select the correct answer.

Mathematics
1 answer:
grigory [225]3 years ago
6 0

Answer:

C.

Step-by-step explanation:

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Write the ratio 21 inches to 9 free as a fraction in simplest form​
saveliy_v [14]

Answer: 7/3

Step-by-step explanation:

21/9

7/3 is the fraction in simplest form

4 0
3 years ago
Twice the sum of three and a number is 30. Find the number
DedPeter [7]

9514 1404 393

Answer:

  • 2(x +3) = 30
  • 12

Step-by-step explanation:

When x represents the number, "the sum of 3 and a number" is (x+3). Twice that sum is 2(x+3). "Is 30" means this expression is equal to 30:

  2(x +3) = 30 . . . . an equation for the given conditions

__

We can solve this equation by dividing by 2:

  x + 3 = 15

  x = 12 . . . . . . subtract 3

The number is 12.

5 0
3 years ago
If the unit selling price is $2.50 unit costs $1.00 what is the margin percentage when the unit costs increased &.025
aleksandrvk [35]

Answer:

$3.125

Step-by-step explanation:

Selling Price = $2.50

Unit Cost = $1.00

Gross margin = (Unit cost/Selling price)*100

= (1/2.5)*100

Gross margin = 40%

Unit cost increased by 0.25.

New unit cost = $1.00 1+ $0.25 = $1.25

Selling price =( Unit cost/Gross margin)*100

Selling price =[ (1.25)/40]*100

= 125/40

Selling price = $3.125

Increases the unit selling price to $3.125

Hope this will helpful.

Thank you.

5 0
3 years ago
Read 2 more answers
If P = (2,-1), find the image
mojhsa [17]

9514 1404 393

Answer:

  P'(-1, -2)

Step-by-step explanation:

The transformation for 270° CCW rotation is ...

  (x, y) ⇒ (y, -x)

Then the image of the given point is ...

  P(2, -1) ⇒ P'(-1, -2)

8 0
3 years ago
Find the intercepts or the line that corresponds to the table of values.
skad [1K]
X-intercept is (-3,0)
Y-intercept is (0,6)

The equation is y=2x+6
Replace y with 0 when solving for x-intercept and replace x with 0 when solving for y-intercept.
4 0
3 years ago
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