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butalik [34]
3 years ago
15

I NEED HELP PLZ I FORGOT HOW TO DO THIS PLZ EXPLAIN HOW U GOT UR ANSWER HELPP

Mathematics
2 answers:
Yuliya22 [10]3 years ago
5 0

Answer:

5 units²

Step-by-step explanation:

a for a trapezoid = \frac{a+b}{2} *h

\frac{8+2}{2} *1 = \frac{10}{2} * 1 = 5*1 = 5

The area is 5 units²

Jobisdone [24]3 years ago
3 0

Answer:

5

Step-by-step explanation:

Using the formula of a trapezoid, we can solve this!

Formula is A=1/2(b1+b2)h.

A=1/2(2+8)1

A=1/2(10)1

A=1/2(10)

The area would be 5 cubic in2.

Please tell me if im wrong! im just a student .m.

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20 friends compared the number of text messages they sent in a day. The results are represented in the table below:
pishuonlain [190]

Answer:

4

Step-by-step explanation:

Add up all the numbers in the frequency table then whatever your mean average is divide that by 5 because there are 5 numbers.

2+4+5+8+1

20/5=4

6 0
1 year ago
A regular polygon has an exterior angle of 7.5 what is the sum of the interior angle
AVprozaik [17]

Answer:

540

Step-by-step explanation:

8 0
3 years ago
If angle 1 is 150°, what is angle 4 and angle 7?
Anna71 [15]
Angle four is 30° and angle 7 is 150! angle four equals 30° because a straight line equals 180, and 180-150=30. angle 7 is 150 through corresponding angles
8 0
3 years ago
Which undefined term can contain parallel lines
Dahasolnce [82]
The undefined term that can contain parallel lines are line.
5 0
3 years ago
Count the number of 5-digit numbers (in the decimal system; integers from 10000 to 99999) which are not divisible by 11.
Alexxandr [17]

Answer:

So total number which is not divisible by 11 = 89999-8181 = 81819  

Step-by-step explanation:

We have to find the total numbers which are not divisible by 11 from 10000 to 99999

Total number from 10000 to 99999 = 99999-10000+1=90000

Just after 10000 the number which is divisible by 11 is 10010

And just below 99999 the number which is divisible by 11 is 99990

Using AP formula

T_N=a+(n-1)d, here a is first term, d is common difference and n is number of terms

So 99990=10010+(n-1)11

n-1 = 8180

n= 8181

So total number which is not divisible by 11 = 90000-8181 = 81819

4 0
3 years ago
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