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denis-greek [22]
2 years ago
9

What number when decreased by 10% is 180?​

Mathematics
2 answers:
rjkz [21]2 years ago
5 0

Answer:

162

Step-by-step explanation:

180 - 10% = 162 so 162 is the answer

Advocard [28]2 years ago
4 0

Answer:

Number 200 decreased by 10% (10 percent) of its value (percentage decrease) and calculated absolute change (actual difference). Answer: percentage decreased number = 180, absolute change (actual difference) = -20

Step-by-step explanation:

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How do I find the volume of a triangular prism?
soldier1979 [14.2K]

Answer:

Remember the formula for calculating volume is: Volume = Area by height. V = A X h.

For a triangle the area is calculated using the formula: Area = half of base by altitude. A = 0.5 X b X a.

So to calculate the volume of a triangular prism, the formula is: V = 0.5 X b X a X h.

Step-by-step explanation:

5 0
3 years ago
Write a vector equation of the line that passes through p(–1 6) and is parallel to a = (3, -1).
Phoenix [80]

Answer:

C

Step-by-step explanation:

(x,y) = p + t(a)

(x,y) = (-1,6) + t(3,-1)

(x,y) - (-1,6) = t(3,-1)

(x + 1, y - 6) = t(3, -1)

7 0
3 years ago
Read 2 more answers
Last year, 50% of MNM. Inc. employees were female. It is believed that there has been a reduction in the percentage of females i
Serhud [2]

Answer:

We conclude that there has been a significant reduction in the proportion of females.

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 400

p = 50% = 0.5

Alpha, α = 0.05

Number of women, x = 118

First, we design the null and the alternate hypothesis  

H_{0}: p = 0.50\\H_A: p < 0.50

This is a one-tailed test.  

Formula:

\hat{p} = \dfrac{x}{n} = \dfrac{118}{400} = 0.45

z = \dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}

Putting the values, we get,

z = \displaystyle\frac{0.45-0.50}{\sqrt{\frac{0.50(1-0.50)}{400}}} = -2

Now, we calculate the critical value.

Now, z_{critical} \text{ at 0.05 level of significance } = -1.645

Since the calculated z-statistic is less than the critical value, we fail to accept the null hypothesis and reject it. We accept the alternate hypothesis.

Thus, there has been a significant reduction in the proportion of females.

3 0
3 years ago
Please help ASAP<br><br>i dont understand how to do this.
allochka39001 [22]

Circumference of a circle=2πr

Where r is radius

C=(2*2.2)π

C=4.4π



8 0
3 years ago
Calculate the area of a circle with radius 5.1cm
Inessa [10]

Answer:

A= 81.6714

Step-by-step explanation:

A=πr^2

A=3.14x5.1x5.1

A= 81.6714

hope this helps ^^

4 0
3 years ago
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