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3 years ago

Consider the dilation of pentagon ABCDE by a scale

Mathematics

1 answer:

weeeeeb [17]3 years ago

8 0

Answer:

A'B'= 6

CD= 10

Step-by-step explanation: I did it on edgenuity! : )

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Jenny surveyed 40 students at her school and found that 0.55 of the students she surveyed said their favorite class is math. Ano

Leno4ka [110]

C.) 30 since they both have 5's just take them out then subtract 50 and 20 *but make sure u take out the decimal though* so after u subtract u will get 30 then line it up and put the decimal back then it will be .30

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2 years ago

A bag of marbles contains 15 blue marbles and 25 green marbles. Which of the

d1i1m1o1n [39]

Answer:

5/8

Step-by-step explanation:

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2 years ago

What is the polynomial -9+1/8x-7x^4+x^2-x^5 in standard form

Oduvanchick [21]

Answer:

-x^5 - 7x^4 + x^2 + (1/8)x - 9

Step-by-step explanation:

Rewrite the given -9+1/8x-7x^4+x^2-x^5 in descending order of the variable x:

-9+1/8x

-x^5 - 7x^4 + x^2 + (1/8)x - 9

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3 years ago

A baseball diamond is a square that is 90% on each side. If a player throws the ball from 2" base to home, how

Flura [38]

Answer:

45 ft

Step-by-step explanation:

if each side is 90% and 2nd base is half way you divide 90 by 2

5 0

3 years ago

An average of 145 people visited a 4-day exhibition on the first 3 days. Another 205 people visited the exhibition on the fourth

Alenkinab [10]

Answer:

160 visitors.

Step-by-step explanation:

Given:

An average of 145 people visited a 4-day exhibition on the first 3 days, <u>means here average people visited in 3 days is given 145.</u>

Average = 145

Number of people, n = 3

Another 205 people visited the exhibition on the fourth day.

To find:

What is the average number of visitors per day ?

Solution:

<u>First of all we will find total number of people visited in 3 days:-</u>

As we know:

$Average=\frac{Sum\ of\ observation}{number\ of\ observation}$

$145=\frac{Sum\ of\ observation}{3}\\$

Multiplying both sides by 3

$145\times3=\frac{Sum\ of\ observation}{3}\times3\\435=Sum\ of\ observations$

Thus, we found that total number of people visited in 3 days is 435 and as 205 people visited in fourth day, then total number of people increased to

435 + 205 = 640

Now, sum of total observations( total number of people ) = 640

And number of observation ( number of days ) = 4

Now, we will calculate average number of visitors visit per day :-

$Average=\frac{Sum\ of\ observation}{number\ of\ observation}$

$=\frac{640}{4} \\=160\ visitors$

Thus, the average number of visitors per day is 160 visitors.

6 0

2 years ago