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Natasha2012 [34]
3 years ago
14

Can someone please help me find the area?

Mathematics
2 answers:
rewona [7]3 years ago
4 0

Answer:

90+20=110 square cm

Step-by-step explanation

(10*(14-5)+(5*(10-6)

=90+20

=110

ZanzabumX [31]3 years ago
4 0
If you do this, make the shape into 2 shapes. Make the 10x14 piece a 10x9 by taking the 5cm off from the 14cm. This will make 2 rectangles. Then finding the area for the big box, so 10•(14-5) =90^2, or simply 10•9=90^2. Then taking the missing 6cm from the 10cm which makes 4cm, so mathematically, 5•(10-6)=20^2, or just 5•4=20cm^2. Next just adding the two together, making 110cm^2, or as the question says 110 squared cm.
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Help pls............!!!!!
mezya [45]

Answer:

The 3rd set

Step-by-step explanation:

The first set has a range of 6, not 5

The second set has a range of 5, but not a mean of 5

The third set has both a mean and a range of 5

8 0
3 years ago
Lifetime of $1 Bills The average lifetime of circulated $1 bills is 18 months. A researcher believes that the average lifetime i
OLEGan [10]
<h2>Answer with explanation:</h2>

Let \mu be the population mean lifetime of circulated $1 bills.

By considering the given information , we have :-

H_0:\mu=18\\\\H_a:\mu\neq18

Since the alternative hypotheses is two tailed so the test is a two tailed test.

We assume that the lifetime of circulated $1 bills is normally distributed.

Given : Sample size :  n=50 , which is greater than 30 .

It means the sample is large so we use z-test.

Sample mean : \overline{x}=18.8

Standard deviation : \sigma=2.8

Test statistic for population mean :-

z=\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}

\Rightarrow\ z=\dfrac{18.8-18}{\dfrac{2.8}{\sqrt{50}}}\approx2.02

The p-value= 2P(z>2.02)=0.0433834

Since the p-value (0.0433834) is greater than the significance level (0.02) , so we do not reject the null hypothesis.

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6 0
3 years ago
The question is in the picture.
harkovskaia [24]

Answer:

1. 3sqrt(2)

Choice C

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Choice D

Step-by-step explanation:

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Choice C


2.  6/sqrt(x)

6/sqrt(3)

no radicals in the denominator, multiply by 1 in the form of the radical

6/sqrt(3) * sqrt(3)/sqrt(3)

6sqrt(3)/ (sqrt(3)*sqrt(3))

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2sqrt(3)

Choice D


8 0
3 years ago
Find the area of Pentagon ABCDE in which BL perpendicular to AC, CM perpendicular to AD, EN perpendicular to AD such that AC = 8
deff fn [24]

Answer:

Area ABCDE = 82 cm²

Step-by-step explanation:

ABCDE = ΔEAD + ΔDAC + ΔCAB

ABCDE = (12×5)/2 + (12×6)/2 + (8×4)/2 = 30+36+16 = 82

6 0
3 years ago
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Answer:

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graph 1

Step-by-step explanation:

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