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AleksandrR [38]
3 years ago
8

Help me pls also brainliest

Mathematics
1 answer:
Rina8888 [55]3 years ago
8 0

Answer:

95

Step-by-step explanation:

First, find the area of the 4 triangles:

a= 1/2 base times height

a=(1/2)(5)(7)

a= 17.5

17.5 times 4 = 70 (4 triangles)

Now find the area of the square:

a=5 times 5

a=25

add: 70+25 = 95

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The numbers in this sequence increase by 40 each time 30, 70, 110, 150. The sequence is continued with the same rule. Which numb
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The value in the sequence closest to 300 is 310

<h3>Arithmetic Sequence</h3>

Arithmetic sequence is a sequence where each term increases or decreases by addition or subtraction of a constant term

the first term a = 30

common difference, d = 40

which term is closest to 300 we solve like this

300 / 40 = 7.5 say 7

the 7th term, T7 is solved by

T7 = a + ( n - 1 ) d

T7 = 30 + ( 7 - 1 ) 40

T7 = 30 + 240

T7 = 270

checking for the 8th term to confirm the nearest

T8 = T7 + d = T7 + 40

T8 = 270 + 40

T8 = 310

therefore the 8th term is closest and the value is 310

Read more on Arithmetic sequence here:

brainly.com/question/7882626

brainly.com/question/6561461

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