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kotegsom [21]
4 years ago
12

When x = 3 and y = 5, what is the value of 3x2 - 2y?​

Mathematics
2 answers:
Vanyuwa [196]4 years ago
6 0

Answer: 8

Hope this helps :)

Mumz [18]4 years ago
4 0

Answer:

8

Step-by-step explanation:

3 times 3 is 9

2 yimes 5 is 10

9 times 2 is 18

18-10 is 8

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What is the constant rate of change in the equation?<br> Y=5x+10
mezya [45]

Answer:

m =5

Step-by-step explanation:

================================================

The "<em>constant rate of change</em>" is also known as the slope (in straight line equations).

The equation is in <em>slope-intercept form</em>.

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<em>Slope-Intercept Form is: </em>

<em></em>y = mx + b\\&#10;\rule{150}{0.5}\\&#10;\text{m - slope}\\&#10;\text{b - Y-Intercept}

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<em>Since '5' takes up 'm's spot, it is the slope, or the constant rate of change. </em>

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<em>Hope this helps.</em>

6 0
3 years ago
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A production manager randomly sampled production lines at a factory that produces automobiles. She wanted to find out how many p
Elena-2011 [213]

Answer:

The confidence interval for the proportion of production lines that caused defects is (0.07, 0.09).

Step-by-step explanation:

A confidence interval for a population proportion is a function of the sample proportion and the margin of error.

The interval has two bounds, a lower bound and an upper bound.

The lower bound is the sample proportion subtracted by the margin of error.

The upper bound is the margin of error added to the sample proportion.

In this problem, we have that:

Sample proportion 0.08

Margin of error 0.01

0.08 - 0.01 = 0.07

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The confidence interval for the proportion of production lines that caused defects is (0.07, 0.09).

5 0
3 years ago
Armando used algebra tiles to represent the product 3 x (2 x minus 1). An algebra tile configuration. 3 tiles are in the Factor
EleoNora [17]

Answer:

Some of the products do not show the correct powers of x.

Step-by-step explanation:

From the picture,

3x(2x - 1) = 6x² - 3x

The correct display on the tile should look like this :

_____+x ______ +x ______ +x

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+x__ +x² ______ +x² ______+x²

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5 0
3 years ago
Help me please i need help
scoundrel [369]

Answer:

3/11 = 6/22

Step-by-step explanation:

3*2=6.

so 11*2 = 22

4 0
3 years ago
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Is there an outlier in the data set? Explain your reasoning.
photoshop1234 [79]

Answer:

no

Step-by-step explanation:

there is not one point that is very distant from all of the other ones

3 0
3 years ago
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