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Rasek [7]
4 years ago
7

Find the square meters

Mathematics
1 answer:
xz_007 [3.2K]4 years ago
5 0

Answer:

17 square meters

Step-by-step explanation:

Begin by finding the area of the whole rectangle without the cut out. The area is A = l*w = 4*5 = 20.

Now find the area of the cut out and subtract it from 20.

A = l*w = 3*1 = 3

20 -3 = 17

The area of the figure is 17.

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X = 9

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3 years ago
Last year, ginger cost $15 per kilogram. Due to a harvest shortage this year, the price of ginger has to increase by 15% per kil
Anastaziya [24]
<h3>Answer:    17.25 dollars</h3>

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

Explanation:

15% of 15 = 0.15*15 = 2.25

The cost has increased by $2.25 which means the cost per kilogram is now 15+2.25 = 17.25 dollars

------------

As a slight shortcut, we can multiply the old cost (15) by the multiplier 1.15 to get the same result:

1.15*15 = 17.25

This method allows us to chain together many percentage increases, and it also allows us to include percentage decreases as well. Note how 1.15 is basically the result of 100% + 15% = 1.00+0.15 = 1.15

4 0
3 years ago
How many rotations does each wheel make while Shawn is coasting down the ramp?
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Find the critical value z alpha/2 that corresponds to the given confidence level. ​81%
Karolina [17]

Critical values are basically cut-off values that indicate regions where the test statistic is unlikely to lie. The required critical value is 1.31.

<h3></h3><h3>What are critical Values?</h3>

Critical values are basically cut-off values that indicate regions where the test statistic is unlikely to lie; for example, if the null hypothesis is true, the critical value is surpassed with probability alpha.

The value of α can be written as,

α = 1 - 0.81 = 0.19

z_{\frac{\alpha}{2}} = \dfrac{0.19}{2}= 0.095

Now, using the z-table the value of z will be,

z = 1.31

Hence, the required critical value is 1.31.

Learn more about Critical Values:

brainly.com/question/14508634

#SPj

5 0
2 years ago
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