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gavmur [86]
3 years ago
6

Match the area to each parallelogram and trapezoid. brainliest

Mathematics
2 answers:
stealth61 [152]3 years ago
8 0

Answer:

Area of first shape is 288ft^{2}, area of second shape is 45m^{2}, area of third shape is 34in^{2}.

Step-by-step explanation:

Area of first shape

A=bh

A=18*16

A=288

Second shape

A=bh

A=9*5

A=45

Third shape

A= 1/2 h(b1+b2)

A=1/24(12+5)

A=1/2*4(12+5)

A=1/2*4(17)

A=1/2*68

A=34

slava [35]3 years ago
3 0
The answer to your question is A=34
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Tyree bought a book for $49.62. he sold it for $52.10 what is the percent change in the price of the book
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Ur answer is 2% because u minus it and u find the percentage
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Someone must have beaten me here. Devora thinks, dismayed by the empty treasure chest. Then, just as she's about to close the li
Sidana [21]

Answer:

she turned 82 degrees.

Step-by-step explanation:

Suppose, the unknown angle is A

Now, we know that according to the sine law ,

the ratio of side of a triangle and the sine value of the angle opposite to that side is same . It says that,

if a triangle has 3 sides a,b and c and 3 angles A,B,and C and they are opposite to the sides respectively then,

a/SinA=b/sinB=c/SinC

check the image below in attachment.

From the diagram at attachment.

here , angle A is required.

given, angle C= 30

side b=89 m and c= 48 m

sin law says a/sinA=b/sinB=c/sinC

first we take , b/sinB=c/sinC

or, 89/sinB= 48/sin30

or, sinB=( 89×0.5)/48 =0.92

or, B=68

we know, in every triangle , the sum of 3 angles of a triangle is 180

then, A+B+C=180

or, A=180-B-C= 180 - ( B+C)

=180-(68+30)

or, A = 82

therefore , the required angle is 82 degree.

she turned 82 degrees.

8 0
3 years ago
Express 0.0000000125 in scientific notation
777dan777 [17]

Answer:

1.25 x 10^-8

Step-by-step explanation:

8 0
3 years ago
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The following tree diagram shows the possible outcomes for the experiment.
Bingel [31]

Answer:

It should be 1/2 because they both have the same amount of wins and loses.

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The number of DVDs in a random person’s home collection is counted for a sample population of 80 people. The mean of the sample
VLD [36.1K]

Answer:

E = 3.46\ movies

Step-by-step explanation:

The formula to find the error is:

E = z_{\frac{\alpha}{2}}\frac{\sigma}{\sqrt{n}}

Where:

\sigma is the standard deviation

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So

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\alpha= 1-0.99

\alpha = 0.01\\\\\frac{\alpha}{2} = 0.005

We look for the Z value: Z_{0.005}

Z_{0.005}=2.58  Looking in the normal standard tables

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E =2.58*\frac{12}{\sqrt{80}}\\\\E = 3.46\ movies

7 0
3 years ago
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