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tatyana61 [14]
3 years ago
8

PLEASE HELP ME PLEASE HELP PLEASE

Mathematics
1 answer:
Viktor [21]3 years ago
5 0

Answer:

B

Step-by-step explanation:

The line on the left has equation y = x + 1

The end of the line has an open circle at x = 2 meaning that x ≠ 2

Thus it is defined as y = x + 1 for x < 2

The line on the right has equation y = x + 2

The start of the line has a closed circle at x = 2 meaning that x can equal 2

Thus it is defined as y = x + 2 for x ≥ 2

Thus the definition for the function is B

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Convert 4.138138 to a fraction
ioda

Answer:

4.138138=469069/500000

Step-by-step explanation:

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3 years ago
Donovan: m=312.3 b=18.5<br> Find the slope of the linear model
andrezito [222]
The slope is m, which is 312.3
also in intercept form would be y=312.3x+18.5
6 0
3 years ago
A thermometer gives a reading of 26 degrees Celsius. Use the formula c =5/9(f-32). Write the inverse function and use it to find
guajiro [1.7K]

Answer:

The answer to your question is F = 78.8

Step-by-step explanation:

Equation

                           C = \frac{5}{9} (F - 32)

Multiply both sides by 9

                           9C = \frac{5(9)}{9} (F - 32)

Simplify

                           9C = 5(F - 32)

Divide both sides by 5

                           \frac{9}{5} C = \frac{5}{5} (F - 32)

Simplify

                           \frac{9}{5} C = F -32

Add 32 in both sides

                           \frac{9}{5} C + 32 = F - 32 + 32

Simplify (Inverse)

                           \frac{9}{5} C + 32 = F

Substitute to find F

                           \frac{9}{5} (26) + 32 = F

Simplify

                                          F = 46.8 + 32

Result

                                          F = 78.8    

6 0
3 years ago
Amy works at a surf shop at the beach during the summer. She is paid at a rate of $4 each hour, plus she
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Answer:

4h+.07s

Step-by-step explanation:

four dollars per hour plus 7 percent of her sales

3 0
3 years ago
Ellie's Bakery is having a grand opening sale. All pastries are being discounted by 25%. Let x represent the regular price of an
Sindrei [870]

a) The expression to find the sale price of pastry =  0.75 x

b)  The regular price of the pastry bought by Kimberly = $2.70

Step-by-step explanation:

Step 1 :

Let x be the regular price of the pastry in the bakery

Percentage of discount = 25%

Amount of discount  = 0.25 x

The expression to find the sale price of pastry = x - 0.25 x = 0.75 x

Step 2 :

Sale price of the pastry bought by Kimberly = $2.03 = 0.75 x

<u>To find the regular price</u>

0.75x = 2.03

x = \frac{2.03}{0.75} = 2.70

Regular price of the pastry bought by Kimberly = $2.70

Step 3 :

Answer :

a) The expression to find the sale price of pastry =  0.75 x

b) The regular price of the pastry bought by Kimberly = $2.70

8 0
3 years ago
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