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romanna [79]
3 years ago
14

Rewrite 49^1/2 = 7 in logarithmic form.

Mathematics
1 answer:
erastova [34]3 years ago
3 0

Answer: 49^((1)/(2))=7

Step-by-step explanation:

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The United States Census Bureau uses demographic information to set a poverty threshold that is used in to determine how many Am
Svetlanka [38]

Answer:

Increment in property per year ;

Slope of a linear function

Kindly check explanation for the rest of the answers.

Step-by-step explanation:

The rate of change is the increment in property value per year ; $220

Thsi corresponds to the gradient or slope of a linear function

If 1980 = x and x = 0

Recall :

y = bx + c

Where, b = slope = 220

x = year

y = property threshold

c = intercept value

In 1980, x = 0

y - intercept.

Put x = 0 into the equation :

4190 = 220x + c

4190 = 220(0) + c

4190 = c

3.)

The linear function becomes :

y = 220x + 4190

Property threshold in 2010:

x = 2010 - 1980 = 30

y = 220(30) + 4190

y = 6600 + 4190

y = 10,790

Property threshold in 2010

Year it will exceed 15000

15000 = 220x + 4190

15000 - 4190 = 220x

10810 = 220x

x = 10810 / 220

x = 49.136

That is, property threshold will exceed 15000 after 50 years

1980 + 50 = 2030

Year 2030

7 0
3 years ago
Find the center and radius of this circle. Write the equation of this circle in graphing form and general form. Show your work.
Paraphin [41]
Center: (-1,1)
radius: 3

y= (x+1)(y-1)= 9
6 0
3 years ago
Read 2 more answers
What is 2 1/3 divided by 3 1/2?
maria [59]

Answer:

2/3

Step-by-step explanation:

:)

3 0
3 years ago
What is the range of the function y = x 2?
garik1379 [7]

Answer:

The range of the function y = x2 is all real numbers, y, such that y ≥ 0. In the case of the function y = x2, the domain consists of all real numbers, because there is no number that, when plugged in for x into x2, would create an undefined expression.

Step-by-step explanation:

7 0
3 years ago
Two towns that are 31.5 km apart are 3 cm apart on a map. What is the scale of the map?
zhuklara [117]

Answer:

3 cm on the map represents 31.5 km in reality.

3cm : 31.5 km

1cm :  31.5/3 km

1cm : 10.5km

So the scale on the map is 1cm represents 10.5 km.

4 0
3 years ago
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