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andreev551 [17]
3 years ago
6

Without graphing f(x)=3x-1.3, determine if the graph goes through each point. (0,-1.3)

Mathematics
1 answer:
jekas [21]3 years ago
3 0

Answer:

Yes

Step-by-step explanation:

In the equation, -1.3 is the y-intercept. The y-intercept always has a x value of 0. On the point (0,-1.3), it matches the y-intercept and is therefore part of the function/equation.

Hope this helps :)

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A = πab/4 solve for b
Studentka2010 [4]

Answer:

4A/ (πa)  = b

Step-by-step explanation:

A = πab/4

Multiply each side by 4

4A = 4πab/4

4A = πab

Divide each side by πa

4A/(πa)  = πab/ πa

4A/ (πa)  = b

8 0
3 years ago
In a scale drawing of an apartment 1 centimet represents 2 3/4 feet. If the length of the kitchen is 4 1/2cm on the scale drawin
weeeeeb [17]

Answer:

12 3/8 feet

Step-by-step explanation:

Because 4 1/2 times 2 3/4 equals 99/8, then 99 divided by 8 equals 12 3/8.

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3 years ago
If 1000 square centimeters of material is available to make a box with a square base and an open top, find the largest possible
guapka [62]
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6 0
3 years ago
Read 2 more answers
What are the solutions to the system of equations?
svet-max [94.6K]

Answer:the third option is correct

Step-by-step explanation:

The system of equations are

y = 2x^2 - 5x - 7 - - - - - - - - - - -1

y = 2x + 2 - - - - - - - - - - - - - 2

We would equate equation 1 and equation 2. It becomes

2x^2 - 5x - 7 = 2x + 2

2x^2 - 5x - 2x - 7 - 2 = 0

2x^2 - 7x - 9 = 0

We would find two numbers such that their sum or difference is -7x and their product is - 18x^2. The two numbers are 2x and - 9x. Therefore

2x^2 + 2x - 9x - 9 = 0

2x(x + 1) - 9(x + 1) = 0

2x - 9 = 0 or x + 1 = 0

2x = 9 or x = - 1

x = 9/2 = 4.5

Substituting x = 4.5 or x = -1 into equation 2, it becomes

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y = 11 or y = 0

Therefore, the solutions are

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6 0
3 years ago
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TEA [102]

Answer:

52 Percent participate in school sports.

Step-by-step explanation:

13/25 = x/100

Multiply 13 x 100 = 1300

Then, divide 1300 by 25 = 52

Move the decimal point two places to the left, and then you get your answer of 52%

3 0
3 years ago
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