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3 years ago

What is the total surface area if the composite figure below?

Mathematics

1 answer:

trasher [3.6K]3 years ago

5 0

(8cm×5cm)+(1/2×5×5)cm^2

=40cm^2+12.5cm^2

=52.5cm^2

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Select the values of xxx that make the inequality true. x>\dfrac 12x> 2 1 x, is greater than, start fraction, 1, divided

masha68 [24]

Answer:

A. 2⅓ and D.1

Step-by-step explanation:

We are required to select the values of x that makes the inequality x>½ true.

A. 2⅓

B. 0

C.-1½

D. 1

E.-¾

Options C and E are negative numbers and are therefore less than the positive number ½.

Option B(i.e. 0) is also less than ½ or 0.5 and therefore do not satisfy the inequality given.

Options A and D are greater than ½ and therefore satisfies the inequality given.

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Answer:

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Step-by-step explanation:

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lina2011 [118]

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Step-by-step explanation:

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3 years ago

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shusha [124]

Answer:

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Step-by-step explanation:

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3 years ago

An arithmetic sequence is defined by the recursive formula t1 = 11, tn = tn - 1 - 13, where n ∈N and n > 1. Which of these is

galben [10]

coolio

$t_1=11$

$t_n=t_{n-1}-13$

so each term is ound by subtracting 13 from the previous term

an aritmetic sequence can be written as

$t_n=t_1+d(n-1)$ were

$t_n$ is the nth term

$t_1$ is the first term

d is common difference, which can also be found by doing $t_n-t_{n-1}=d$

n=wich term

we know that $t_1=11$ and we can find d

$t_n=t_{n-1}-13$ , $t_n-t_{n-1}=-13=d$

so te general term is $t_n=11-13(n-1)$ which can also be expanded and written as $t_n=-13n+24$

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3 years ago