4 years ago

Which of the following statements is always true of similar polygons?

1 answer:

5 0

In this question, there are two correct choices. The corresponding angles of a similar figures have the same measure and the lengths of corresponding sides form equivalent ratios will be the correct choices.

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If y varies directly as x, find the unknown value in the problem below:

Oksi-84 [34.3K]

12/-30=8x
cross multiply
12x=-240
x=-20

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3 years ago

The world brand of rivet placement is 11209 rivets in 9 hours and belongs to J. Mair of Ireland. If another person places 11209

Ilya [14]

Answer:

4.74 hours

Step-by-step explanation:

Given that both person have to place same number of rivets that is

11209

first person take 9 hours to complete the work

hence 1 hour work of 1st person is $\frac{1}{9}$ of total work

second person takes 10 hours to complete the same work

hence 1 hour work of 2nd person is $\frac{1}{10}$

Now if both work together then

1 hour work of both person = $\frac{1}{9} +\frac{1}{10}$ = $\frac{19}{90}$

thus working together they need $\frac{90}{19}$ hours = 4.74 hours to complete the whole work which is placing 11209 rivets

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3 years ago

Following e.g. C, how do you do D? 30 points

mars1129 [50]

Answer:

x=(log(5/4))/(log(4))

Step-by-step explanation:

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4 years ago

Read 2 more answers

Can I get some help on this please

slamgirl [31]

2=12
i know that one for a fact u just have to mutiply

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3 years ago

Solve (4x^4-7-6x^2) (2x^2 4x^4 8)

kotykmax [81]

Your answer can only be simplified to
256x^10 - 384^8 - 448^6

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3 years ago